Assignee
UNITED STIRLING AB & CO
38 granted patents·464 citations·filing 1973–1988
Top patents by PatentIndex Score
38 records- 0186US4475538AWindow for solar receiver for a solar-powered hot gas engineUNITED STIRLING AB & CO·Filed 1983·Granted Oct 9, 1984·46 cites·6 claims
- 0286US4277942AExhaust gas recirculation apparatusUNITED STIRLING AB & CO·Filed 1979·Granted Jul 14, 1981·50 cites·22 claims
- 0380US4146237ASealing device for Stirling engine piston rod in which no separation of oil and gas is necessaryUNITED STIRLING AB & CO·Filed 1977·Granted Mar 27, 1979·32 cites·9 claims
- 0473US4069671AStirling engine combustion assemblyUNITED STIRLING AB & CO·Filed 1976·Granted Jan 24, 1978·25 cites·4 claims
- 0571US4069670AHot gas engine heater headUNITED STIRLING AB & CO·Filed 1976·Granted Jan 24, 1978·26 cites·9 claims
- 0665US4195613ADouble-acting four-cylinder hot gas engineUNITED STIRLING AB & CO·Filed 1978·Granted Apr 1, 1980·19 cites·7 claims
- 0765US3940934AStirling enginesUNITED STIRLING AB & CO·Filed 1973·Granted Mar 2, 1976·18 cites·2 claims
- 0863US4665700AHot gas engine heater headUNITED STIRLING AB & CO·Filed 1985·Granted May 19, 1987·21 cites·7 claims
- 0954US4502466AProtective shield for a solar energy concentratorUNITED STIRLING AB & CO·Filed 1983·Granted Mar 5, 1985·17 cites·4 claims
- 1053US4170363AOil scraperUNITED STIRLING AB & CO·Filed 1976·Granted Oct 9, 1979·13 cites·3 claims
- 1150US4616140ASystem and a method for conversion of solar radiation into electric powerUNITED STIRLING AB & CO·Filed 1983·Granted Oct 7, 1986·11 cites·3 claims
- 1249US4345645AHot gas engine heater headUNITED STIRLING AB & CO·Filed 1980·Granted Aug 24, 1982·11 cites·3 claims
- 1349US4132420ASealing rings for stirling enginesUNITED STIRLING AB & CO·Filed 1975·Granted Jan 2, 1979·12 cites·2 claims
- 1445US4832352APiston rod sealUNITED STIRLING AB & CO·Filed 1988·Granted May 23, 1989·13 cites·7 claims
- 1545US4145178AMethod and apparatus for decreasing nitrogen oxides and unburnt hydrocarbons when burning hydrocarbon fuelsUNITED STIRLING AB & CO·Filed 1977·Granted Mar 20, 1979·10 cites·8 claims
- 1644US4395879AHot gas engine heater headUNITED STIRLING AB & CO·Filed 1981·Granted Aug 2, 1983·9 cites·2 claims
- 1744US4261173AHot gas engine heater headUNITED STIRLING AB & CO·Filed 1979·Granted Apr 14, 1981·8 cites·8 claims
- 1841US4083566ASeal for piston rod of Stirling engineUNITED STIRLING AB & CO·Filed 1974·Granted Apr 11, 1978·10 cites·2 claims
- 1941US3974719AMechanical power transmission assemblyUNITED STIRLING AB & CO·Filed 1975·Granted Aug 17, 1976·12 cites·1 claims
- 2040US4195554AMulti-cylinder double-acting hot gas engineUNITED STIRLING AB & CO·Filed 1978·Granted Apr 1, 1980·8 cites·3 claims
- 2139US4457133AMethod of governing the working gas temperature of a solar heated hot gas engineUNITED STIRLING AB & CO·Filed 1981·Granted Jul 3, 1984·10 cites·7 claims
- 2237US4593851AMethod of connecting elements by brazingUNITED STIRLING AB & CO·Filed 1984·Granted Jun 10, 1986·9 cites·4 claims
- 2337US4478042ACylinder liner-regenerator unit for a hot gas engineUNITED STIRLING AB & CO·Filed 1982·Granted Oct 23, 1984·6 cites·8 claims
- 2437US4417443AMulti-cylinder, double-acting hot gas engineUNITED STIRLING AB & CO·Filed 1981·Granted Nov 29, 1983·6 cites·2 claims
- 2537US4330994ADouble-acting hot gas engine assemblageUNITED STIRLING AB & CO·Filed 1979·Granted May 25, 1982·6 cites·3 claims
- 2637US4261172ASix-cylinder double-acting hot gas engineUNITED STIRLING AB & CO·Filed 1978·Granted Apr 14, 1981·6 cites·7 claims
- 2737US4132417APressure responsive sealing meansUNITED STIRLING AB & CO·Filed 1977·Granted Jan 2, 1979·11 cites·7 claims
- 2836US4191019ADouble-acting hot gas engine assemblageUNITED STIRLING AB & CO·Filed 1978·Granted Mar 4, 1980·5 cites·4 claims
- 2936US3938811ASealing means for stirling engine crankcasesUNITED STIRLING AB & CO·Filed 1974·Granted Feb 17, 1976·5 cites·4 claims
- 3030US4499727AHot gas engineUNITED STIRLING AB & CO·Filed 1983·Granted Feb 19, 1985·3 cites·4 claims
- 3130US4485627ASolar energy conversion plantUNITED STIRLING AB & CO·Filed 1983·Granted Dec 4, 1984·4 cites·4 claims
- 3229US4472938AMulti-cylinder, double-acting hot gas engineUNITED STIRLING AB & CO·Filed 1983·Granted Sep 25, 1984·2 cites·2 claims
- 3328US4474003AGas compressor for a hot gas engineUNITED STIRLING AB & CO·Filed 1982·Granted Oct 2, 1984·1 cites·6 claims
- 3427US4041698AExternal combustion engine with exhaust gas recirculation of constant mass flow rateUNITED STIRLING AB & CO·Filed 1975·Granted Aug 16, 1977·2 cites·2 claims
- 3526US4267696AHot gas engineUNITED STIRLING AB & CO·Filed 1979·Granted May 19, 1981·6 cites·10 claims
- 3624US4499726AHeater head for a multi-cylinder hot gas engineUNITED STIRLING AB & CO·Filed 1983·Granted Feb 19, 1985·6 cites·3 claims
- 3723US4117679AHot gas engine heater headUNITED STIRLING AB & CO·Filed 1977·Granted Oct 3, 1978·2 cites·4 claims
- 3820US4298057ATubular heat-exchangerUNITED STIRLING AB & CO·Filed 1979·Granted Nov 3, 1981·3 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when UNITED STIRLING AB & CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →