Matthew Piers Watt Boulton
Patents
Subject to various international agreements, patents filed in one country were normally also valid in the other contracting states which participated in them.

Matthew Piers Watt Boulton

Section Title: Patents
Table Section Text: Subject to various international agreements, patents filed in one country were normally also valid in the other contracting states which participated in them.

Date	No.	Patent name	Remarks & source

1864	1099	In connection with the mode of working steam and caloric engines to employ that portion of heat which is generated by combustion of the fuel.

1864	1291	Improvements in engines worked by heated air or gases mixed with steam.

1864	1636	Improvements in obtaining motive power from aeriform fluids.

1864-11-04	2738	Obtaining motive power from steam and aeriform fluids and liquids

1864-12-06	3044	Obtaining motive power from steam and aeriform fluids and liquids

1865-02-22	501	Obtaining motive-power from äeroform fluids

1865-03-23	827	Obtaining motive-power from äeroform fluids

1865-06-15	1622	Generating steam

1865-07-22	1915	Obtaining motive-power when heated air äeroform fluid is employed

1865-08-01	1992	Obtaining motive-power by heat

1865-08-07	2051	Improvements in generating steam and heating steam and äeriform fluids

1866	738	Generating and applying heat for the production of motive power and steam

1866-09-26	2489	Apparatus for employing the motive power of jets of fluid (Propelling aerial vessels)

1866	2809	Propelling aerial vessels

1867	696	Propelling vessels

1868-02-05	392	Aërial Locomotion etcetera

1868-03-24	1005	Improvements in means and apparatus for effecting aerial locomotion (Propelling vessels)	with co-patenttee John Imray

1868	1233	Apparatus for receiving motion or energy from fluids, and for imparting it to them

1868-06-19	1988	Improvements in apparatus for obtaining motive power by the combustion of inflammable äeroform fluids

1868-12-04	3694	Improvements in rotary propellers, pumps and fans

1869	738	(title unknown)	£50 stamp fee paid

1869	3694	(title unknown)	with co-patenttee John Imray. Complete specification filed.

1875	1875	Generator

1876	2288	Improvements in apparatus whereby combustion under pressure is applied to generate fluid for working engines

1876	3620	Improvements in engines worked by the combustion and expansive force of an inflammable fluid mixture

1876	3767	Improvements in apparatus for the production of motive power jointly by the elastic force of products of combustion, and of steam or vapour

1876-11-08	184,952	Improvement in Rotary Pumps	U.S. patent, with John Imray, co-patenttee, assigned to George Westinghouse, Jr., Pennsylvania

1877-02-24	765	Improvements in the Apparatus for producing heat by the combustion of inflammable gases or vapours

1878	766	Generating gaseous fluids for working engines	Engines worked by air and gas or combustion of mixed gaseous fluids (Improvements in engines worked by products of combustion either alone or in conjunction with other elastic fluid)

1878	2525	Improvements in gas motor engines (provisional only) (Ignition apparatus for gas-engines)	Gas-engines; working same with mixed fluids: cooling cylinders and utilising heat generated

1878	2609	Improvements in gas motor engines (provisional only) (Ignition apparatus for gas-engines)	Gas-engines; working same with mixed fluids: cooling cylinders and utilising heat generated

1878	2278	Generating hydro-carbon vapours for working	Gas-engines, working same with mixed fluids; cooling cylinders; utilising heat generated, Boulton Cooling of gas-motor engines

1878	2325	(Cooling of gas-motor engines)

1878	2609	(Cooling of gas-motor engines)

1878	2707	Improvements in combined gas and steam motor engines (Valves and ignition apparatus for gas-engines)	Combined gas and steam-engine; cooling cylinder; utilising heat generated Cooling of gas-motor engines Rotating disc, for gas-motor engines

1878	4516	(Caloric engine with fan or "alternator"; heating and compressing air for same)

1878-11-09	4550	Refrigeration-apparatus for cooling air or fluid by expansion of air, &c.	Drying air of fluid for refrigerating-apparatus. Condensed from the Journals of the Commissioners of Patents, p.

1878	(unknown)	Refrigeration	Condensed from the Journals of the Commissioners of Patents, p. 4550: Notice of Intention to Proceed with Patents.

1879	495	Improvements in caloric engines

1881	1202	Improvements in caloric engines wherein the working fluid is heated by internal combustion of gas

1881	1389	Improvements in caloric engines wherein the working fluid is heated by internal combustion of gas

1881	3367	Improvements in engines wherein a piston is propelled in a cylinder by ignition of inflammable gas or fluid

1885-01-20	311,102	Caloric Engine	U.S. patent, with Edward Perrett, co-patenttee

1885-02-24	312,959	Superheated-Steam Engine	U.S. patent, with Edward Perrett, co-patenttee.

1886	2653	Combined steam and gas engines	joint Boulton & Perrett patent

1886-07-06	345,026	Employing Steam for Producing Motive Power	U.S. patent. Patented in England 1884-11-06 as No. 14,684.

Sentence(s)

Matthew Piers Watt Boulton's patent No. 392 was completed in 1868.

final_sentence: Matthew Piers Watt Boulton's patent No. 392 was completed in 1868.