| Patents for F02B 57 - Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons (870) |
|---|
| 04/08/1999 | DE19743919A1 Four stroke radial reciprocating piston rotary engine with planet gear epicyclic |
| 03/02/1999 | US5875744 Rotary and reciprocating internal combustion engine and compressor |
| 02/10/1999 | CN1042050C Rotary cylinder IC engine |
| 02/02/1999 | US5865608 Air flow system for circular rotary type engines |
| 01/21/1999 | WO1999002840A1 External combustion engine |
| 01/20/1999 | EP0891478A1 A valve system in a rotary radial-piston engine |
| 12/17/1998 | WO1998057036A1 Rotary cylinder radial piston engine |
| 12/03/1998 | DE19721418A1 Single/multi-plate IC petrol or diesel engine |
| 11/12/1998 | WO1998050692A1 Cylinder assembly for cam engine |
| 11/12/1998 | WO1998050691A1 A valve system in a rotary radial-piston engine |
| 11/10/1998 | US5832881 Supplementary port for two stroke engine |
| 11/05/1998 | WO1998049430A1 A rotary and reciprocating internal combustion engine and compressor |
| 11/05/1998 | CA2289261A1 A rotary and reciprocating internal combustion engine and compressor |
| 09/29/1998 | US5813372 Axial piston rotary engine |
| 08/13/1998 | WO1998035147A1 Combustion engine having a rotatable cylinder block |
| 07/16/1998 | WO1998030792A1 Orbital internal combustion engine |
| 07/15/1998 | CN1187860A Axial piston machines |
| 06/04/1998 | WO1998023850A1 Internal combustion rotary engine |
| 06/03/1998 | EP0821760A4 Axial piston machines |
| 06/02/1998 | US5758609 Rotary type internal combustion motor |
| 04/01/1998 | EP0832348A1 A valve system in a rotary radial-piston engine |
| 03/26/1998 | DE19639990A1 Rotary reciprocating engine for vehicles and ships |
| 03/25/1998 | EP0775255B1 Rotary internal combustion engine |
| 02/24/1998 | US5720241 Rotary cylinder engine |
| 02/19/1998 | WO1998006932A1 Improvements in axial piston rotary engines |
| 02/18/1998 | CN1173583A Track restrained piston type rotary cylinder engine |
| 02/11/1998 | CN1173215A Axial piston rotary engine |
| 02/11/1998 | CN1172899A Outside cylinder rotating internal combustion engine |
| 02/05/1998 | WO1998004818A1 Rotary piston machine |
| 02/04/1998 | EP0821760A1 Axial piston machines |
| 01/28/1998 | EP0799371A4 Axial piston rotary engine |
| 01/22/1998 | WO1998002647A1 Power machine lubrication |
| 01/22/1998 | WO1998002640A1 Power machine |
| 12/31/1997 | WO1997049908A1 Ic engine with a rotary piston |
| 12/11/1997 | DE19622538A1 Two-stroke engine |
| 11/04/1997 | US5682843 Rotary engine |
| 10/09/1997 | WO1997037114A1 A valve system in a rotary radial-piston engine |
| 10/08/1997 | EP0799371A1 Axial piston rotary engine |
| 09/30/1997 | US5671702 Valve system in a rotary radial-piston engine |
| 09/23/1997 | US5669340 Two-cycle engine employing a flywheel |
| 08/13/1997 | EP0788580A1 Fuel-injected piston combustion engine |
| 08/06/1997 | EP0787251A1 Internal combustion engine |
| 08/06/1997 | EP0787244A1 Rotary type internal combustion motor |
| 07/09/1997 | EP0649495B1 Rotary power device |
| 06/10/1997 | US5636599 For use in internal combustion engines |
| 05/28/1997 | EP0775255A1 Rotary internal combustion engine |
| 05/21/1997 | EP0774057A1 Spherical piston radial action engine |
| 05/09/1997 | WO1997016636A1 Rotary two-stroke internal combustion engine |
| 04/02/1997 | EP0774057A4 Spherical piston radial action engine |
| 02/26/1997 | CN1143994A Spherical piston radial action engine |
| 01/29/1997 | EP0650419B1 Hydraulic device |
| 01/22/1997 | EP0656992B1 Two-stroke rotary cylinder engine |
| 01/02/1997 | EP0605576B1 Two stroke internal combustion engine |
| 12/18/1996 | CN1033600C Reciprocatory machines |
| 11/14/1996 | WO1996035862A1 Bi-rotary engine |
| 10/24/1996 | WO1996033342A1 Fuel-injected piston combustion engine |
| 09/26/1996 | WO1996029506A1 Axial piston machines |
| 08/21/1996 | EP0727014A1 Piston engine |
| 08/14/1996 | CN1129027A Rotery internal combustion engine |
| 07/25/1996 | DE19514571C1 IC engine with high compression ratio |
| 06/11/1996 | US5524577 Rotary engine |
| 06/06/1996 | WO1996017162A1 Axial piston rotary engine |
| 03/07/1996 | WO1996007023A1 Circular internal combustion engine |
| 01/02/1996 | US5479780 Circular internal combustion engine |
| 12/13/1995 | EP0439490B1 A four-stroke radial-piston engine |
| 09/21/1995 | WO1995025221A1 Spherical piston radial action engine |
| 09/21/1995 | CA2185428A1 Spherical piston radial action engine |
| 09/20/1995 | EP0672219A1 Rotary engine |
| 08/24/1995 | WO1995022689A1 A valve system in a rotary radial-piston engine |
| 08/24/1995 | WO1995022683A1 Rotary type internal combustion motor |
| 08/24/1995 | CA2183360A1 Rotary type internal combustion motor |
| 08/23/1995 | EP0649495A4 Rotary power device. |
| 08/10/1995 | DE4403846A1 IC engine with concentrically supported pinion |
| 07/05/1995 | EP0672219A4 Rotary engine. |
| 07/05/1995 | CN1104716A Reciprocating piston internal combustion engine without linking lever and air valve spring |
| 07/04/1995 | US5429078 Internal combustion engine having rotary engine body |
| 06/29/1995 | DE4344545A1 Rotary combustion engine |
| 06/14/1995 | EP0656992A1 Rotary cylinder engine. |
| 05/30/1995 | US5419288 Spherical piston radial action engine |
| 05/26/1995 | WO1995014156A1 Rotary internal combustion engine |
| 05/24/1995 | CN2198391Y Planet engine |
| 05/16/1995 | US5415135 Four stroke continuous cycle radial piston engine |
| 05/11/1995 | WO1995012754A1 Piston engine |
| 05/03/1995 | EP0650419A1 Hydraulic drive and braking system. |
| 04/26/1995 | EP0649495A1 Rotary power device. |
| 03/02/1995 | WO1995006195A1 Internal combustion engine with rotary piston |
| 02/23/1995 | WO1995005535A1 Rotary internal combustion engine |
| 02/08/1995 | EP0637677A1 Four stroke internal combustion engine |
| 01/12/1995 | DE4322097A1 Rotary cylinder reciprocating piston engine |
| 01/04/1995 | EP0615577A4 Rotating piston diesel engine. |
| 12/27/1994 | US5375564 Rotating cylinder internal combustion engine |
| 12/07/1994 | EP0627551A2 Rotary internal combustion engine |
| 11/24/1994 | DE4316558A1 Internal combustion engine in the form of a rotary engine |
| 11/22/1994 | US5365892 Rotary internal combustion engine |
| 11/10/1994 | WO1994025744A1 Rotary power device |
| 10/25/1994 | US5357911 Four-stroke radial-piston engine |
| 10/13/1994 | WO1994023189A1 Rotary internal combustion engine |
| 10/13/1994 | DE4326131A1 Reciprocating piston engine |
| 09/21/1994 | EP0615577A1 Rotating piston diesel engine |
| 09/06/1994 | US5343832 Combination rotary internal combustion engine and ducted fan |