Inventor
EIERMANN DANKWART
DE48 patents
⚠️ This page may combine multiple inventors who share the name “EIERMANN DANKWART”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WANKEL GMBH
31 patentsUS4487561ADec 11, 1984
Rotary piston compressor
WANKEL GMBH46 citations92
US3993029ANov 23, 1976
Method of operating a compound supercharged rotary piston engine
WANKEL GMBH28 citations82
US4127364ANov 28, 1978
Heat pump unit
WANKEL GMBH26 citations80
US4793304ADec 27, 1988
Arrangement for cooling the piston of a rotary piston internal combustion engine
WANKEL GMBH10 citations74
US4464102AAug 7, 1984
External axis rotary piston compressor
WANKEL GMBH18 citations74
US4080120AMar 21, 1978
Inner seal for rotary piston engines and method of making same
WANKEL GMBH8 citations74
US4063535ADec 20, 1977
Rotary piston internal combustion engine
WANKEL GMBH8 citations74
US4056338ANov 1, 1977
Rotary piston engine
WANKEL GMBH7 citations74
US5039289AAug 13, 1991
Rotary piston blower having piston lobe portions shaped to avoid compression pockets
WANKEL GMBH15 citations73
US5100309AMar 31, 1992
Cooling medium pump of a rotary piston internal combustion engine
WANKEL GMBH7 citations72
US4127369ANov 28, 1978
Pressure valve for a rotary piston compressor
WANKEL GMBH10 citations71
US4830591AMay 16, 1989
Lubrication system for a rotary-piston internal combustion engine
WANKEL GMBH10 citations70
US5199863AApr 6, 1993
Sealing of an eccentric bearing of a rotary piston internal combustion engine
WANKEL GMBH6 citations63
US5049049ASep 17, 1991
Rotary piston internal combustion engine
WANKEL GMBH4 citations63
US5011385AApr 30, 1991
Bearing- and drive arrangement of a rotary piston internal combustion engine
WANKEL GMBH6 citations63
US4850827AJul 25, 1989
Cooling system of an eccentric shaft of a rotary piston internal combustion engine
WANKEL GMBH7 citations63
US4824125AApr 25, 1989
Axial seal for a rotary-piston engine
WANKEL GMBH5 citations63
US4808096AFeb 28, 1989
Axial sealing system of a rotary piston engine
WANKEL GMBH3 citations63
US4801254AJan 31, 1989
Cooling system for a rotary piston internal combustion engine
WANKEL GMBH5 citations63
US4797076AJan 10, 1989
Inner seal of a rotary piston engine
WANKEL GMBH3 citations63
US4793778ADec 27, 1988
Eccentric shaft of a rotary piston internal combustion engine
WANKEL GMBH2 citations63
US4790734ADec 13, 1988
Radial seal of a rotary piston engine
WANKEL GMBH2 citations63
US4786241ANov 22, 1988
Radial seal of a rotary piston engine
WANKEL GMBH2 citations63
US4779578AOct 25, 1988
Fluid-cooled housing of a rotary piston internal combustion engine
WANKEL GMBH5 citations63
US4717319AJan 5, 1988
Housing of a rotary piston internal combustion engine
WANKEL GMBH3 citations63
US4715799ADec 29, 1987
Composite construction of casing for rotary piston engine
WANKEL GMBH3 citations63
US4207039AJun 10, 1980
Seal grid system for a rotary piston mechanism
WANKEL GMBH3 citations63
US4165209AAug 21, 1979
External axle rotary piston machine
WANKEL GMBH5 citations63
US4867659ASep 19, 1989
Parallel-and external-axial rotary piston blower operating in meshing engagement
WANKEL GMBH4 citations62
US5452996ASep 26, 1995
Position-independent rotary piston internal combustion engine
WANKEL GMBH3 citations60
US4969809ANov 13, 1990
Lubrication system for an eccentric bearing of a rotary piston internal-combustion engine
WANKEL GMBH3 citations59
BORSIG GMBH
5 patentsUS4241758ADec 30, 1980
Pressure valve, especially for rotary piston compressors
BORSIG GMBH20 citations82
US4218199AAug 19, 1980
Rotary piston compressor with no negative torque
BORSIG GMBH25 citations82
US4278409AJul 14, 1981
Compressor
BORSIG GMBH12 citations74
US4150926AApr 24, 1979
Rotary piston compressor with transfer flow pockets in housing
BORSIG GMBH13 citations74
US4149834AApr 17, 1979
Delivery valve, especially for rotary piston compressors
BORSIG GMBH10 citations74
WANKEL SUPER TEC GMBH
5 patentsUS7500461B2Mar 10, 2009
Rotary combustion engine, designed for diesel fuel
WANKEL SUPER TEC GMBH10 citations80
US7264454B2Sep 4, 2007
Rotary combustion engine with an improved inner seal
WANKEL SUPER TEC GMBH2 citations58
US7234924B2Jun 26, 2007
Rotary combustion engine with device for conveying lubricating oil
WANKEL SUPER TEC GMBH2 citations58
US7491046B2Feb 17, 2009
Piston for a rotary combustion engine
WANKEL SUPER TEC GMBH0 citations50
US7234374B2Jun 26, 2007
Eccentric shaft for an internal combustion engine
WANKEL SUPER TEC GMBH0 citations37
BRANDENBURGISCHE FORSCHUNGS UN
4 patentsUS6503070B2Jan 7, 2003
Rotary piston engine having an oil system for lubrication and cooling
BRANDENBURGISCHE FORSCHUNGS UN4 citations61
US6481989B2Nov 19, 2002
Trochoidal design rotary piston engine and method of making same
BRANDENBURGISCHE FORSCHUNGS UN6 citations61
US6887053B2May 3, 2005
Rotary piston engine in trochoidal design
BRANDENBURGISCHE FORSCHUNGS UN0 citations51
US6474965B2Nov 5, 2002
Rotary piston engine having a cogwheel pump and an oil metering pump
BRANDENBURGISCHE FORSCHUNGS UN0 citations51