Inventor · disambiguated record
Dankwart Eiermann
Also filed as: EIERMANN DANKWART
48 granted patents·2 pending applications·391 citations·filing 1975–2021
98Inventor score
Files withWANKEL GMBH31BORSIG GMBH5WANKEL SUPER TEC GMBH5BRANDENBURGISCHE FORSCHUNGS UN4AIRBUS OPERATIONS GMBH1
Top patents by PatentIndex Score
50 records- 0190US3993029AMethod of operating a compound supercharged rotary piston engineWANKEL GMBH·Filed 1975·Granted Nov 23, 1976·28 cites·3 claims
- 0289US4487561ARotary piston compressorWANKEL GMBH·Filed 1982·Granted Dec 11, 1984·46 cites·2 claims
- 0381US4218199ARotary piston compressor with no negative torqueBORSIG GMBH·Filed 1978·Granted Aug 19, 1980·25 cites·2 claims
- 0474US4127364AHeat pump unitWANKEL GMBH·Filed 1977·Granted Nov 28, 1978·26 cites·4 claims
- 0569US7500461B2Rotary combustion engine, designed for diesel fuelWANKEL SUPER TEC GMBH·Filed 2005·Granted Mar 10, 2009·10 cites·8 claims
- 0667US4241758APressure valve, especially for rotary piston compressorsBORSIG GMBH·Filed 1978·Granted Dec 30, 1980·20 cites·5 claims
- 0763US4464102AExternal axis rotary piston compressorWANKEL GMBH·Filed 1982·Granted Aug 7, 1984·18 cites·18 claims
- 0862US7264454B2Rotary combustion engine with an improved inner sealWANKEL SUPER TEC GMBH·Filed 2005·Granted Sep 4, 2007·2 cites·16 claims
- 0962US7234924B2Rotary combustion engine with device for conveying lubricating oilWANKEL SUPER TEC GMBH·Filed 2005·Granted Jun 26, 2007·2 cites·15 claims
- 1062US5609475ACompressor with a hypotrochoidal design having a fluid delivery which is not solely dependent on a drive RPMWANKEL ROTARY GMBH·Filed 1995·Granted Mar 11, 1997·19 cites·12 claims
- 1160US4150926ARotary piston compressor with transfer flow pockets in housingBORSIG GMBH·Filed 1978·Granted Apr 24, 1979·13 cites·4 claims
- 1259US4080120AInner seal for rotary piston engines and method of making sameWANKEL GMBH·Filed 1976·Granted Mar 21, 1978·8 cites·5 claims
- 1359US2023128698A1Energy recovery assembly, fuel cell system and vehicle with energy recovery assemblyAIRBUS OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 1456US4278409ACompressorBORSIG GMBH·Filed 1979·Granted Jul 14, 1981·12 cites·9 claims
- 1554US4056338ARotary piston engineWANKEL GMBH·Filed 1976·Granted Nov 1, 1977·7 cites·13 claims
- 1652US6481989B2Trochoidal design rotary piston engine and method of making sameBRANDENBURGISCHE FORSCHUNGS UN·Filed 2001·Granted Nov 19, 2002·6 cites·18 claims
- 1751US4149834ADelivery valve, especially for rotary piston compressorsBORSIG GMBH·Filed 1978·Granted Apr 17, 1979·10 cites·7 claims
- 1850US5039289ARotary piston blower having piston lobe portions shaped to avoid compression pocketsWANKEL GMBH·Filed 1990·Granted Aug 13, 1991·15 cites·9 claims
- 1949US6503070B2Rotary piston engine having an oil system for lubrication and coolingBRANDENBURGISCHE FORSCHUNGS UN·Filed 2001·Granted Jan 7, 2003·4 cites·25 claims
- 2049US4127369APressure valve for a rotary piston compressorWANKEL GMBH·Filed 1977·Granted Nov 28, 1978·10 cites·3 claims
- 2149US2015292101A1Method for coating a sliding surface of a trochoid housing in a rotary engine and trochoid housing comprising a coated sliding surfaceWANKEL SUPERTEC GMBH·Filed 2013·Application pending·0 cites
- 2247US4830591ALubrication system for a rotary-piston internal combustion engineWANKEL GMBH·Filed 1988·Granted May 16, 1989·10 cites·4 claims
- 2347US4793304AArrangement for cooling the piston of a rotary piston internal combustion engineWANKEL GMBH·Filed 1985·Granted Dec 27, 1988·10 cites·3 claims
- 2447US4165209AExternal axle rotary piston machineWANKEL GMBH·Filed 1977·Granted Aug 21, 1979·5 cites·1 claims
- 2547US4063535ARotary piston internal combustion engineWANKEL GMBH·Filed 1976·Granted Dec 20, 1977·8 cites·6 claims
- 2646US8528518B2Rotary piston for a rotary piston engine and rotary piston engineEIERMANN DANKWART·Filed 2010·Granted Sep 10, 2013·0 cites·9 claims
- 2746US7491046B2Piston for a rotary combustion engineWANKEL SUPER TEC GMBH·Filed 2005·Granted Feb 17, 2009·0 cites·11 claims
- 2841US4850827ACooling system of an eccentric shaft of a rotary piston internal combustion engineWANKEL GMBH·Filed 1987·Granted Jul 25, 1989·7 cites·4 claims
- 2939US4207039ASeal grid system for a rotary piston mechanismWANKEL GMBH·Filed 1978·Granted Jun 10, 1980·3 cites·4 claims
- 3038US6887053B2Rotary piston engine in trochoidal designBRANDENBURGISCHE FORSCHUNGS UN·Filed 2002·Granted May 3, 2005·0 cites·21 claims
- 3137US4779578AFluid-cooled housing of a rotary piston internal combustion engineWANKEL GMBH·Filed 1986·Granted Oct 25, 1988·5 cites·7 claims
- 3236US7234374B2Eccentric shaft for an internal combustion engineWANKEL SUPER TEC GMBH·Filed 2005·Granted Jun 26, 2007·0 cites·4 claims
- 3336US6474965B2Rotary piston engine having a cogwheel pump and an oil metering pumpBRANDENBURGISCHE FORSCHUNGS UN·Filed 2001·Granted Nov 5, 2002·0 cites·21 claims
- 3436US5199863ASealing of an eccentric bearing of a rotary piston internal combustion engineWANKEL GMBH·Filed 1990·Granted Apr 6, 1993·6 cites·6 claims
- 3536US5100309ACooling medium pump of a rotary piston internal combustion engineWANKEL GMBH·Filed 1990·Granted Mar 31, 1992·7 cites·3 claims
- 3636US5011385ABearing- and drive arrangement of a rotary piston internal combustion engineWANKEL GMBH·Filed 1990·Granted Apr 30, 1991·6 cites·7 claims
- 3736US4824125AAxial seal for a rotary-piston engineWANKEL GMBH·Filed 1988·Granted Apr 25, 1989·5 cites·5 claims
- 3836US4801254ACooling system for a rotary piston internal combustion engineWANKEL GMBH·Filed 1986·Granted Jan 31, 1989·5 cites·15 claims
- 3933US4867659AParallel-and external-axial rotary piston blower operating in meshing engagementWANKEL GMBH·Filed 1986·Granted Sep 19, 1989·4 cites·7 claims
- 4033US4808096AAxial sealing system of a rotary piston engineWANKEL GMBH·Filed 1987·Granted Feb 28, 1989·3 cites·5 claims
- 4133US4715799AComposite construction of casing for rotary piston engineWANKEL GMBH·Filed 1986·Granted Dec 29, 1987·3 cites·7 claims
- 4232US5049049ARotary piston internal combustion engineWANKEL GMBH·Filed 1990·Granted Sep 17, 1991·4 cites·3 claims
- 4332US4797076AInner seal of a rotary piston engineWANKEL GMBH·Filed 1986·Granted Jan 10, 1989·3 cites·5 claims
- 4432US4790734ARadial seal of a rotary piston engineWANKEL GMBH·Filed 1987·Granted Dec 13, 1988·2 cites·5 claims
- 4532US4786241ARadial seal of a rotary piston engineWANKEL GMBH·Filed 1987·Granted Nov 22, 1988·2 cites·3 claims
- 4631US4969809ALubrication system for an eccentric bearing of a rotary piston internal-combustion engineWANKEL GMBH·Filed 1988·Granted Nov 13, 1990·3 cites·7 claims
- 4731US4717319AHousing of a rotary piston internal combustion engineWANKEL GMBH·Filed 1986·Granted Jan 5, 1988·3 cites·4 claims
- 4830US4793778AEccentric shaft of a rotary piston internal combustion engineWANKEL GMBH·Filed 1986·Granted Dec 27, 1988·2 cites·5 claims
- 4929US5452996APosition-independent rotary piston internal combustion engineWANKEL GMBH·Filed 1993·Granted Sep 26, 1995·3 cites·9 claims
- 5028US4700740ADischarge valveAISIN SEIKI·Filed 1986·Granted Oct 20, 1987·1 cites·6 claims
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