| Patents for F02B 55 - Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons (1,252) |
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| 06/26/1990 | US4936912 Sintered apex seal material |
| 06/24/1990 | CA2006457A1 Rotary engine |
| 06/05/1990 | US4931001 Apex seal with filled aperture |
| 05/22/1990 | US4926816 Rotary piston engine |
| 04/18/1990 | EP0363565A2 Rotary piston internal-combustion engine |
| 04/10/1990 | US4915603 Rotary engine cooling system |
| 03/20/1990 | US4909208 Rotary internal combustion motor |
| 02/06/1990 | US4898522 System for cooling the rotary engine rotor |
| 01/04/1990 | DE3813185A1 Internal combustion engine |
| 01/03/1990 | EP0348804A2 Wear-resistant component and process for preparing it |
| 10/12/1989 | DE3810592A1 Geared heat engine |
| 09/20/1989 | CN1035703A Rotary internal combustion engine |
| 09/05/1989 | US4863533 Apex seal for rotary piston engine and method for manufacturing the same |
| 08/15/1989 | US4856166 Method for manufacturing a gear fit article and gear fit article produced thereby |
| 07/25/1989 | US4850827 Cooling system of an eccentric shaft of a rotary piston internal combustion engine |
| 05/16/1989 | US4830591 Lubrication system for a rotary-piston internal combustion engine |
| 05/11/1989 | DE3737125A1 Positive displacement machine |
| 05/02/1989 | US4826410 Cooling systems for rotary piston engines |
| 03/29/1989 | EP0309008A1 Rotary engine cooling system |
| 01/31/1989 | US4801254 Cooling system for a rotary piston internal combustion engine |
| 01/19/1989 | DE3722531A1 Rotary piston engine |
| 12/27/1988 | US4793304 Arrangement for cooling the piston of a rotary piston internal combustion engine |
| 12/13/1988 | US4790734 Radial seal of a rotary piston engine |
| 10/27/1988 | DE3712270A1 Displacing-body machine |
| 10/25/1988 | US4779578 Fluid-cooled housing of a rotary piston internal combustion engine |
| 10/13/1988 | DE3710611A1 Rotary piston-type internal combustion engine of trochoidal design |
| 09/21/1988 | CN87101335A Supercharging gear internal-combustion engine |
| 09/20/1988 | US4772189 Rotor for a rotary engine |
| 08/10/1988 | EP0277548A1 Rotating piston engine |
| 07/26/1988 | US4759325 Rotary engine cooling system |
| 07/14/1988 | DE3644790A1 Rotary engine with improved control and combustion |
| 07/12/1988 | US4756284 Intake system for internal combustion engine |
| 07/06/1988 | EP0273653A2 Rotary engine |
| 07/05/1988 | US4755116 Rotor housing for a rotary piston engine having softened areas surrounding the plug holes |
| 06/28/1988 | US4753584 Single-rotation machine having internal and external rotors with axial cooling ducts for the external rotor |
| 04/12/1988 | CA1235029A1 Rotary engine cooling system |
| 03/17/1988 | DE3627962A1 Rotary internal combustion engine |
| 03/08/1988 | US4729729 Lined with chromium-molybdenum alloy layer |
| 03/08/1988 | US4729726 Housing structure for a multiple-rotor type rotary piston engine |
| 02/25/1988 | WO1988001336A1 Internal combustion engine without pistons |
| 01/05/1988 | US4717319 Housing of a rotary piston internal combustion engine |
| 12/29/1987 | US4715799 Composite construction of casing for rotary piston engine |
| 12/17/1987 | DE3620205A1 Aluminium piston of a rotary internal combustion engine |
| 12/17/1987 | DE3620190A1 Aluminium piston of a rotary internal combustion engine |
| 12/02/1987 | EP0247223A1 Annular combustion engine |
| 11/25/1987 | EP0246955A2 Internal-combustion engine |
| 11/17/1987 | US4706621 Intake systems for rotary piston engines |
| 11/12/1987 | DE3615331A1 Rotary piston engine for multifuel methods of operation with working chambers purposely controllable during operation |
| 08/26/1987 | EP0233372A1 Cooling system for a rotary piston combustion engine |
| 08/06/1987 | DE3601034A1 Rotary engine |
| 08/05/1987 | EP0230646A1 Liquid cooled housing for rotary piston combustion engine |
| 06/24/1987 | EP0226348A1 Rotor for a rotary engine |
| 05/21/1987 | WO1987003040A1 Cooling of the piston of a rotary piston internal combustion engine |
| 05/13/1987 | EP0221151A1 Rotary engine |
| 05/12/1987 | US4664607 Rotary engine cooling system with flow balancing |
| 05/06/1987 | EP0220383A1 Rotating piston machine |
| 04/28/1987 | US4660517 Vibration detecting apparatus for multi-rotor rotary piston engines |
| 03/25/1987 | EP0214959A1 Rotating piston internal combustion engine |
| 02/24/1987 | US4645440 Rotor for rotary piston engines |
| 01/13/1987 | US4636285 Method of manufacturing wear resistant sliding member |
| 01/08/1987 | DE3523892A1 Rotary engine |
| 01/06/1987 | US4633829 Rotary internal combustion engine |
| 12/17/1986 | CN85107260A Reformed design for triangular piston rotary engine |
| 12/10/1986 | EP0203973A1 Rotary engine with external combustion chamber |
| 12/09/1986 | US4627395 Intake system for rotary piston engines |
| 12/03/1986 | EP0203480A2 Rotary internal-combustion engine |
| 11/06/1986 | WO1986006437A1 Rotary engine |
| 10/09/1986 | WO1986005841A1 Rotating piston internal combustion engine |
| 07/16/1986 | CN85108050A Rotational piston type internal-combustion engine with separating strokes |
| 06/24/1986 | CA1206421A1 Rotary engine |
| 06/19/1986 | WO1986003558A1 Rotary engine with external combustion chamber |
| 03/25/1986 | CA1202245A1 Multi-unit rotary mechanism |
| 02/19/1986 | EP0172033A2 Internal combustion engine |
| 02/18/1986 | US4571165 Nickel-fluorine resin composite coating |
| 01/28/1986 | US4566412 Intake system for rotary piston engine |
| 01/08/1986 | EP0167216A1 Rotary engine cooling system |
| 11/19/1985 | US4553513 Thermodynamic rotary engine |
| 10/01/1985 | US4543926 Exhaust port structure for rotary piston engines |
| 07/30/1985 | US4531900 Rotary engine cooling system |
| 12/04/1984 | US4486159 Rotor for a rotary engine |
| 07/10/1984 | CA1170576A1 Global rotary engine |
| 01/17/1984 | US4425883 Intake means for two-rotor type rotary piston engines |
| 01/03/1984 | US4423710 High compression rotary engine |
| 11/15/1983 | US4414938 Rotary internal combustion engine |
| 08/30/1983 | US4401070 Rotary engine |
| 06/21/1983 | US4389173 Arcuate piston rotary engine |
| 01/05/1983 | EP0068104A1 Air or charge cooled rotor for a Rotary Engine |
| 10/13/1982 | EP0062447A2 Rotary engine |
| 10/12/1982 | CA1133337A1 Method and apparatus for control of pressure in internal combustion engines |
| 05/26/1982 | EP0052162A1 Rotary piston engine with sliding vanes operating with expanding gases |
| 02/16/1982 | US4315489 Rotary piston engine having supercharging means |
| 10/07/1981 | EP0037206A2 A thermodynamic rotary engine |
| 09/29/1981 | CA1109802A1 Rotary internal combustion engine exhaust system |
| 04/07/1981 | US4259932 Internal combustion engine control system |
| 03/10/1981 | CA1097225A1 Seal grid system for a rotary piston mechanism |
| 02/24/1981 | CA1096256A1 Method and apparatus for control of pressure in internal combustion engines |
| 02/11/1981 | EP0023529A2 Rotary piston machine of the external axis type |
| 01/06/1981 | US4243006 Rotary engine with lateral pistons |
| 11/12/1980 | EP0018384A1 Engine |
| 11/11/1980 | CA1089369A1 Side port - rc engine |