Document:

EXHIBIT 10.30

                            ASSIGNMENT BY INVENTORS

         THIS ASSIGNMENT, made this by this [ ]day of February, 2007, by David
J. Johnson an individual residing at [ ]; (hereinafter referred to as Assignor)
and ESW Technologies, Inc., a Delaware corporation, having its principal place
of business at [ ]; (hereinafter referred to as Assignee).

         WHEREAS, Assignor has invented and or has exclusive rights, is the sole
owner and full power to unconditionally assign certain new and useful
improvements in [INSERT NAME OF PATENT], set forth in United States Patent
Number: [ ], dated [ ] (hereinafter referred to as the "Letters Patent"); and

         WHEREAS, Assignee is desirous of acquiring the entire right, title and
interest in and to said inventions and said Letters Patent of the United States,
and in and to any Letters Patents of the United States to be obtained therefore
and thereon.

         NOW, THEREFORE, in consideration of Ten Dollar ($10.00) and other good
and sufficient consideration, the receipt of which is hereby acknowledged,
Assignors have sold, assigned, transferred and set over, and by these presents
do sell, assign, transfer and set over, unto Assignee, its successors, legal
representatives and assigns, the entire right, title and interest in and to the
above-mentioned inventions, Letters Patent, and in and to any and all direct and
indirect divisions, continuations and continuations-in-part of said application,
and any and all Letters Patents in the United States and all foreign countries
which may be granted therefore and thereon, and reissues, reexaminations and
extensions of said Letters Patents, and all rights under the International
Convention for the Protection of Industrial Property, the same to be held and
enjoyed by Assignee, for its own use and benefit and the use and benefit of its
successors, legal representatives and assigns, to the fullest extent of the term
or terms for which the Letters Patent and any Letters Patents may be granted
and/or extended, as fully and entirely as the same would have been held and
enjoyed by Assignors, had this sale and assignment not been made.

         AND for the same consideration, Assignors hereby represent and warrant
to Assignee, its successors, legal representatives and assigns, that, at the
time of execution and delivery of these presents, except for any rights, titles
and/or interests that have arisen to Assignee under law or that have already
been transferred to Assignee, Assignors are the sole and lawful owners of the
entire right, title and interest in and to the said inventions and Letters
Patents above-mentioned, and that the same are unencumbered and that Assignors
have good and full right and lawful authority to sell and convey the same in the
manner herein set forth.

         AND for the same consideration, Assignors hereby covenant and agree to
and with Assignee, its successors, legal representatives and assigns, that
Assignors will sign all papers and documents, take all lawful oaths and do all
acts necessary or required to be done for the procurement, maintenance,
enforcement and defense of any Letters Patents and applications for Letters
Patents for said inventions, without charge to Assignee, its successors, legal
representatives and assigns, shall advise: that any proceeding in connection
with said inventions, or said application for Letters Patents, or any proceeding
in connection with any Letters Patents or applications for Letters Patents for
said inventions, in any country, including but not limited to interference

<PAGE>

proceedings, is lawful and desirable; or, that any division, continuation or
continuation-in-part of any application for Letters Patents, or any reissue,
reexamination or extension of any Letters Patents, to be obtained thereon, is
lawful and desirable.

         AND Assignors hereby request the Commissioner of Patents and Trademarks
to assign issue said Letters Patents of the United States to Assignee, as
Assignee of said inventions and the Letters Patents to be issued thereon, for
the sole use and benefit of Assignee, its successors, legal representatives and
assigns.

         AND Assignors hereby grant the Assignee and or its designated agents
the power to insert on this Assignment any further identification which may be
necessary or desirable in order to comply with the rules of the United States
Patent and Trademark Office for recordation of this document.

         AND Assignors acknowledge an obligation of assignment of this invention
to Assignee at the time the invention was made.

                                            By: ________________________
                                                David J. Johnson

Date:
     ----------------------

                  STATE  OF       )
                                  )  ss.
                  COUNTY OF       )

On this ______ day of February, 2007 personally came before me David J. Johnson,
known to me, and known to be the person described in and who signed this
Assignment immediately above, and being duly sworn, acknowledged that he
executed the same with full force and authority.

                                                     -------------------------
                                                     Notary Public

My Commission Expires:
                      ----------------------EXHIBIT 10.31

           $1,002,589.04 UNSECURED SUBORDINATED DEMAND PROMISSORY NOTE

FOR VALUE RECEIVED effective March 7, 2007 (the "Effective Date"), this
Unsecured Subordinated Demand Promissory Note replaces the $500,000 unsecured
subordinated promissory note (the "Note") issued as of February 15, 2007 by
Environmental Solutions Worldwide, Inc., a Florida corporation (hereinafter
called "Borrower" or "Maker") to Bengt George Odner, Jervaulx Hall, North
Yorkshire, United Kingdom HG4 4PH (the "Lender" or "Holder") and is consolidated
with additional sum of $500,000 loaned to Borrower as of the Effective Date of
this Note by Maker.

                                    ARTICLE I
                               GENERAL PROVISIONS

         1.1 PAYMENT GRACE PERIOD. The Borrower shall have a ten (10) day grace
period to pay the principal and interest due under this Note.

         1.2 PAYMENT TERMS. The Note principal and accrued interest shall be
payable upon written demand of the Holder.

         1.3 INTEREST RATE. Interest payable on this Note shall accrue at the
annual rate of nine (9%) percent per annum and is payable on the Maturity Date
or any extension thereof unless otherwise provided for herein.

         1.4 ISSUANCE DATE. Shall be the date the Note is executed by the
Borrower as set forth below.

         1.5 RIGHT TO PRE-PAY. Borrower shall have the right to pre-pay this
Note at any time prior to Maturity Date or any extension thereof without
penalty.

                                   ARTICLE II
                                EVENT OF DEFAULT

         The occurrence of any of the following events of default ("Event of
Default") shall, at the option of the Holder hereof, make all sums of principal
and interest then remaining unpaid hereon and all other amounts payable
hereunder immediately due and payable in accordance with Article I, upon demand,
without presentment, or grace period, all of which hereby are expressly waived,
except as set forth below:

         2.1 BREACH OF COVENANT. The Borrower breaches any material covenant or
other term or condition of this Note in any material respect and such breach, if
subject to cure, continues for a period of ten (10) days after written notice to
the Borrower from the Holder.

         2.2 BREACH OF REPRESENTATIONS AND WARRANTIES. Any material
representation or warranty of the Borrower made herein, or in any agreement,
statement or certificate given in writing pursuant hereto or in connection
therewith shall be false or misleading in any material respect as of the date
made.

         2.3 RECEIVER OR TRUSTEE. The Borrower shall make an assignment for the
benefit of creditors, or apply for or consent to the appointment of a receiver
or trustee for it or for a substantial part of its property or business; or such
a receiver or trustee shall otherwise be appointed.

                                      -1-
<PAGE>

         2.4 JUDGMENTS. Any money judgment, writ or similar final process shall
be entered or filed against Borrower or any of its property or other assets for
more than $100,000, and shall remain unvacated, unbonded or unstayed for a
period of forty-five (45) days.

         2.5 BANKRUPTCY. Bankruptcy, insolvency, reorganization or liquidation
proceedings or other proceedings or relief under any bankruptcy law or any law
for the relief of debtors shall be instituted by or against the Borrower and if
instituted against Borrower are not dismissed within 45 days of initiation.

         2.6 FAILURE TO DELIVER REPLACEMENT NOTE. Borrower's failure to timely
deliver if required a replacement Note.

         2.7 CROSS DEFAULT. A default by the Borrower of a material term,
covenant, warranty or undertaking of any other agreement to which the Borrower
and Holder or entity affiliated with Holder are parties, or the occurrence of a
material event of default under any such other agreement, in each case, which is
not cured after any required notice and/or cure period.

                                   ARTICLE III
                                  MISCELLANEOUS

         3.1 FAILURE OR INDULGENCE NOT WAIVER. No failure or delay on the part
of Holder hereof in the exercise of any power, right or privilege hereunder
shall operate as a waiver thereof, nor shall any single or partial exercise of
any such power, right or privilege preclude other or further exercise thereof or
of any other right, power or privilege. All rights and remedies existing
hereunder are cumulative to, and not exclusive of, any rights or remedies
otherwise available.

         3.2 NOTICES. All notices, demands, requests, consents, approvals, and
other communications required or permitted hereunder shall be in writing and,
unless otherwise specified herein, shall be (i) personally served, (ii)
deposited in the mail, registered or certified, return receipt requested,
postage prepaid, (iii) delivered by reputable air courier service with charges
prepaid, or (iv) transmitted by hand delivery, telegram, or facsimile, addressed
as set forth below or to such other address as such party shall have specified
most recently by written notice. Any notice or other communication required or
permitted to be given hereunder shall be deemed effective (a) upon hand delivery
or delivery by facsimile, with accurate confirmation generated by the
transmitting facsimile machine, at the address or number designated below (if
delivered on a business day during normal business hours where such notice is to
be received), or the first business day following such delivery (if delivered
other than on a business day during normal business hours where such notice is
to be received) or (b) on the second business day following the date of mailing
by express courier service, fully prepaid, addressed to such address, or upon
actual receipt of such mailing, whichever shall first occur. The addresses for
such communications shall be: (i) if to the Borrower to: Environmental Solutions
Worldwide, Inc., 335 Connie Crescent, Concord Ontario L4K 5R2 with a copy by
telecopier only to: Baratta, Baratta & Aidala, LLP 597 Fifth Avenue, New York,
NY 10017, Attn: Joseph A. Baratta, Esq., telecopier number: (212) 750-8297, and
(ii) if to the Holder, to the name, address set forth on the front page of this
Note, with a copy by telecopier only to (INSERT LEGAL COUNSEL), telecopier
number: (INSERT FAX#).

         3.3 AMENDMENT PROVISION. The term "Note" and all reference thereto, as
used throughout this instrument, shall mean this instrument as originally
executed, or if later amended or supplemented, then as so amended or
supplemented.

                                      -2-
<PAGE>

         3.4 ASSIGNABILITY. This Note shall be binding upon the Borrower and its
successors and assigns, and shall inure to the benefit of the Holder and its
successors and assigns.

         3.5 COST OF COLLECTION. If default is made in the payment of this Note,
Borrower shall pay the Holder hereof reasonable costs of collection, including
reasonable attorneys' fees.

         3.6 GOVERNING LAW. This Note shall be governed by and construed in
accordance with the laws of the State of New York. Any action brought by either
party against the other concerning the transactions contemplated by this
Agreement shall be brought only in the state courts of New York or in the
federal courts located in the state of New York. Both parties and the individual
signing this Agreement on behalf of the Borrower agree to submit to the
jurisdiction of such courts. The prevailing party shall be entitled to recover
from the other party its reasonable attorney's fees and costs.

         3.7 MAXIMUM PAYMENTS. Nothing contained herein shall be deemed to
establish or require the payment of a rate of interest or other charges in
excess of the maximum permitted by applicable law. In the event that the rate of
interest required to be paid or other charges hereunder exceed the maximum
permitted by such law, any payments in excess of such maximum shall be credited
against amounts owed by the Borrower to the Holder and thus refunded to the
Borrower.

         3.8 SUBORDINATION. This Note is subordinate to the Borrower's
outstanding secured obligations.

         3.9 LEGAL REPRESENTATION. Both Borrower and Holder warrant and
represent that the law firm of Baratta, Baratta & Aidala, LLP has acted solely
as legal counsel for Borrower and that Holder has been provided with sufficient
opportunity to consult with its own legal and financial advisors in connection
with the transaction evidenced by this Note.

IN WITNESS WHEREOF, Borrower has caused this Note to be signed in its name by an
authorized officer effective the date first written above.

                                         ENVIRONMENTAL SOLUTIONS WORLDWIDE, INC.

                                         By:________________________________
                                            Name: Joey Schwartz
                                            Title: Chief Financial Officer
WITNESS:

-------------------------------

AGREED TO:

-------------------------------
Bengt George Odner

                                      -3-

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00120-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00120-of-00352.parquet"}]]