Assignee
HANSEN ENGINE CORP
US·19 granted patents·379 citations·filing 1978–2024
Top patents by PatentIndex Score
19 records- 0195US12203406B2Supercharged internal combustion engineHANSEN ENGINE CORP·Filed 2024·Granted Jan 21, 2025·2 cites·13 claims
- 0293US4494500ARotary valve assemblyHANSEN ENGINE CORP·Filed 1982·Granted Jan 22, 1985·48 cites·29 claims
- 0386US5474036AInternal combustion engine with rotary valve assembly having variable intake valve timingHANSEN ENGINE CORP·Filed 1994·Granted Dec 12, 1995·47 cites·43 claims
- 0485US4507067ARotary device with elliptical rotor in elliptical chamberHANSEN ENGINE CORP·Filed 1982·Granted Mar 26, 1985·39 cites·25 claims
- 0579US4692104ARotary pumping apparatus with radial seal assemblies on pistonHANSEN ENGINE CORP·Filed 1986·Granted Sep 8, 1987·34 cites·38 claims
- 0678USD352041SAir compressorHANSEN ENGINE CORP·Filed 1993·Granted Nov 1, 1994·19 cites·1 claims
- 0778US4667468ARotary internal combustion engineHANSEN ENGINE CORP·Filed 1985·Granted May 26, 1987·29 cites·44 claims
- 0877US12590584B2Supercharged internal combustion engine with intake port timing shutters controlling the air mass flowing into the superchargerHANSEN ENGINE CORP·Filed 2022·Granted Mar 31, 2026·0 cites·54 claims
- 0973US4612886AInternal combustion engine with rotary combustion chamberHANSEN ENGINE CORP·Filed 1984·Granted Sep 23, 1986·25 cites·71 claims
- 1068US10156235B2Method of supercharging an internal combustion engineHANSEN ENGINE CORP·Filed 2017·Granted Dec 18, 2018·0 cites·18 claims
- 1168US4773364AInternal combustion engine with rotary combustion chamberHANSEN ENGINE CORP·Filed 1986·Granted Sep 27, 1988·21 cites·29 claims
- 1262US5092752ASeal assembly for a rotary deviceHANSEN ENGINE CORP·Filed 1990·Granted Mar 3, 1992·23 cites·30 claims
- 1360US4449490AConcentric intake and exhaust valve assemblyHANSEN ENGINE CORP·Filed 1982·Granted May 22, 1984·16 cites·23 claims
- 1460US4192348AFluid control unitHANSEN ENGINE CORP·Filed 1978·Granted Mar 11, 1980·14 cites·43 claims
- 1558US4782656ARotary valve assembly for engineHANSEN ENGINE CORP·Filed 1987·Granted Nov 8, 1988·17 cites·13 claims
- 1654US5081966AInternal combustion engine with rotary valve assemblyHANSEN ENGINE CORP·Filed 1991·Granted Jan 21, 1992·17 cites·34 claims
- 1752US4618318AVane and seal assemblyHANSEN ENGINE CORP·Filed 1985·Granted Oct 21, 1986·12 cites·20 claims
- 1846US4813392ARotary valve assemblyHANSEN ENGINE CORP·Filed 1988·Granted Mar 21, 1989·10 cites·35 claims
- 1936US5556267ADouble acting pumpHANSEN ENGINE CORP·Filed 1994·Granted Sep 17, 1996·6 cites·19 claims
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