Source: http://www.google.com/patents/US7512521?dq=4316055
Timestamp: 2017-05-29 03:16:21
Document Index: 648903675

Matched Legal Cases: ['art 2', 'Application No. 04', 'Application No. 04252479', 'art 4', 'Application No. 200410042268', 'Application No. 04252479', 'application No. 200410043322', 'application No. 200410042268', 'Application No. 04252805', 'Application No. 05826038']

Patent US7512521 - Intrinsically safe field maintenance tool with power islands - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA hand held configuration for coupling to a two wire process control loop for use in configuring and monitoring field units coupled to the two wire process control loop is provided which includes a power supply, and at least two power islands. The power islands are configured to electrically isolate...http://www.google.com/patents/US7512521?utm_source=gb-gplus-sharePatent US7512521 - Intrinsically safe field maintenance tool with power islandsAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7512521 B2Publication typeGrantApplication numberUS 10/426,894Publication dateMar 31, 2009Filing dateApr 30, 2003Priority dateApr 30, 2003Fee statusPaidAlso published asCN1598726A, CN1598726B, DE602004025168D1, EP1473685A2, EP1473685A3, EP1473685B1, US20040218326Publication number10426894, 426894, US 7512521 B2, US 7512521B2, US-B2-7512521, US7512521 B2, US7512521B2InventorsJoachim Düren, Günter KämperOriginal AssigneeFisher-Rosemount Systems, Inc., R. Stahl Schaltgerate GmbhExport CitationBiBTeX, EndNote, RefManPatent Citations (103), Non-Patent Citations (53), Referenced by (4), Classifications (17), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetIntrinsically safe field maintenance tool with power islands
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No. 10/790,627, filed Mar. 6, 2003, Mathiowetz.53U.S. Office Action from related Applicaion No. 10,790,627.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS9182256 *Jul 8, 2010Nov 10, 2015Rosemount Inc.Process variable transmitter with two-wire process control loop diagnosticsUS20080313559 *Jun 13, 2008Dec 18, 2008Kulus Christian JFunctionality for handheld field maintenance toolsUS20110010120 *Jul 8, 2010Jan 13, 2011Wehrs David LProcess variable transmitter with two-wire process control loop diagnosticsWO2014093913A1Dec 13, 2013Jun 19, 2014Vans, Inc.Tensioning systems for footwear* Cited by examinerClassifications U.S. Classification702/183International ClassificationG08C19/02, G05B23/02, G06F15/00, G05B23/00, G05B19/042, H02H3/08Cooperative ClassificationG08C19/02, G05B19/0426, G05B23/0213, G05B2219/23067, G05B2219/25428, G05B2219/23406, G05B2219/25006European ClassificationG05B23/02S2B, G08C19/02, G05B19/042PLegal EventsDateCodeEventDescriptionAug 5, 2004ASAssignmentOwner name: FISHER-ROSEMOUNT INC., TEXASFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DUREN, JOACHIM;KAMPER, GUNTER;REEL/FRAME:015649/0858;SIGNING DATES FROM 20040722 TO 20040727Owner name: R. STAHL SCHALTGERATE GMBH, GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DUREN, JOACHIM;KAMPER, GUNTER;REEL/FRAME:015649/0858;SIGNING DATES FROM 20040722 TO 20040727May 16, 2006ASAssignmentOwner name: R. STAHL SCHALTGERATE GMBH, GERMANYFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DUREN, JOACHIM;KAMPER, GUNTER;REEL/FRAME:017635/0495;SIGNING DATES FROM 20040722 TO 20040727Owner name: FISHER-ROSEMOUNT SYSTEMS, INC., TEXASFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DUREN, JOACHIM;KAMPER, GUNTER;REEL/FRAME:017635/0495;SIGNING DATES FROM 20040722 TO 20040727Oct 1, 2012FPAYFee paymentYear of fee payment: 4Sep 30, 2016FPAYFee paymentYear of fee payment: 8RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services