| Patents for F02B 53 - Internal-combustion aspects of rotary-piston or oscillating-piston engines (4,415) |
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| 04/18/1995 | US5406916 Double acting, rectangular faced, arc shaped, oscillating piston quadratic internal combustion engine or machine |
| 04/13/1995 | WO1995009972A1 Rotary internal combustion engine |
| 04/11/1995 | US5405300 Mechanism for intermittent rotation of first and second shafts and continuous rotation of a third shaft |
| 04/11/1995 | US5404850 Rotary combustion engine with oppositely rotating discs |
| 04/11/1995 | US5404849 Spherical engine |
| 04/09/1995 | CA2108108A1 Rotary engine |
| 03/30/1995 | WO1995008699A1 A rotary vane engine |
| 03/30/1995 | DE4432688A1 Rotary engine |
| 03/28/1995 | US5400754 Rotary internal combustion engine with paddle and ratchet assembly |
| 03/23/1995 | WO1995008055A1 Internal combustion engine |
| 03/21/1995 | US5399078 Planetary-motion engine |
| 03/01/1995 | CA2105196A1 Two stage rotary vaned internal combustion engine |
| 02/28/1995 | US5392740 Gas fuel engine |
| 02/23/1995 | WO1995005534A1 Alternating piston rotary engine with ratchets |
| 02/23/1995 | CA2169825A1 Alternating piston rotary engine with ratchets |
| 02/22/1995 | CN1099100A Internal combustion engine with limited temperature cycle |
| 02/21/1995 | CA2070625C Inline rotary piston engine |
| 02/08/1995 | EP0637677A1 Four stroke internal combustion engine |
| 02/08/1995 | CN2189207Y 高效发动机 Efficient engines |
| 02/08/1995 | CN2189206Y Rotary-piston internal combustion engine |
| 02/02/1995 | WO1995003479A1 Internal combustion engine with pistons that rotate around a centre line |
| 02/02/1995 | CA2167176A1 Internal combustion engine with pistons that rotate around a centre line |
| 01/26/1995 | DE4324958A1 Internal combustion engine |
| 01/26/1995 | DE4324097A1 Four stroke internal combustion engine |
| 01/26/1995 | DE4323345A1 Rotary internal combustion engine |
| 01/18/1995 | EP0625243A4 Rotary engine. |
| 01/18/1995 | CN1097484A Blade engine using oil fuel |
| 01/17/1995 | US5381766 Rotary piston engine |
| 01/12/1995 | DE4322097A1 Rotary cylinder reciprocating piston engine |
| 01/12/1995 | DE4321841A1 Injection device for rotary internal combustion engines |
| 01/05/1995 | WO1995000761A1 Rotary positive displacement device |
| 12/22/1994 | DE4320423A1 Rolling-piston machine |
| 12/22/1994 | DE4319747A1 Internal combustion engine for improving the conversion of heat or pressure energy into mechanical energy with a rotating multi-cell (-chamber) space as combustion spaces with alternate usage of the combustion space in accordance with the number of chambers and mixing cell |
| 12/13/1994 | US5372107 Rotary engine |
| 12/07/1994 | CN2184786Y Ring type cylinder oppositely located piston engine |
| 11/23/1994 | EP0625243A1 Rotary engine. |
| 11/15/1994 | US5363813 Dual rocker shaft internal combustion diesel engine |
| 11/08/1994 | US5362219 Internal combustion engine with compound air compression |
| 11/02/1994 | CN1094477A Curred rotor engine |
| 10/27/1994 | DE4313099A1 Hydrogen engine |
| 10/25/1994 | US5357923 Rotary piston internal combustion engine |
| 10/13/1994 | WO1994023183A1 Rotary engine |
| 10/13/1994 | DE4311450A1 Cleanwoods motor (ceramic hydroxide planetary-piston engine) |
| 10/04/1994 | US5352295 Rotary vane engine |
| 09/29/1994 | WO1994021906A1 Rotary internal combustion engine |
| 09/28/1994 | EP0616661A1 Mechanism for converting rotary to reciprocating rotary motion |
| 09/22/1994 | DE4321310C1 Internal combustion engine |
| 09/08/1994 | DE4306723A1 Rotary internal combustion engine |
| 09/07/1994 | EP0613516A1 Multichamber turbo engine. |
| 09/06/1994 | US5343838 Dual radius rotor for pre-mixed-charge rotary engine combustion |
| 09/01/1994 | DE4329255A1 Internal combustion engine |
| 08/30/1994 | US5341782 Rotary internal combustion engine |
| 08/30/1994 | CA1331741C Rotary piston engine |
| 08/23/1994 | US5339780 Centrifugal device for rotary engine |
| 08/04/1994 | WO1994017284A1 A rotary engine |
| 08/03/1994 | CN1090375A Rotary engine |
| 08/03/1994 | CN1090373A Technique for rotor internal combustion engine |
| 07/27/1994 | CN1090015A Universal annular cylinder rotary piston engine |
| 07/21/1994 | WO1994016208A1 Sliding piston internal combustion rotary engine |
| 07/20/1994 | EP0532567B1 Rotary piston internal combustion engine |
| 07/19/1994 | US5329900 Rotary internal combustion engine |
| 07/19/1994 | CA1330762C Improved rotary vee engine |
| 07/14/1994 | DE4300613A1 Four-stroke combustion engine with toroidal and rotary pistons |
| 07/14/1994 | DE4300410A1 Rotational force expansion machine performing work |
| 07/14/1994 | DE4300264A1 Energy conversion method using rotary piston aggregate |
| 07/13/1994 | CN2171682Y Centering internal-combustion engine with double rotor |
| 07/06/1994 | EP0604533A1 Internal combustion engine having opposed pistons. |
| 07/05/1994 | US5325671 Rotary heat engine |
| 06/28/1994 | US5324182 Rotating piston internal combustion engine with ring gear elastically coupled to the housing |
| 06/28/1994 | US5324176 Oscillating piston engine for pumping system |
| 06/28/1994 | US5323737 Electrical charging system for an electric powered vehicle |
| 06/23/1994 | WO1994013942A1 Dual disc rotary combustion engine |
| 06/23/1994 | WO1994013933A1 Rotary engine |
| 06/21/1994 | US5322425 Rotary internal combustion engine |
| 06/15/1994 | CN2168955Y Separate rotary IC engine |
| 06/15/1994 | CN2168954Y Compressing unit of engine |
| 06/09/1994 | DE4239927A1 Modified two-stroke rotary-piston engine with slide-valve control - has three slide-valves reciprocated radially to open and close combustion chamber and for sepn. of inlet and exhaust ports. |
| 06/08/1994 | CN2168074Y multifunctional electronic cipher ignitor for automobiles |
| 06/07/1994 | US5317996 Self-starting multifuel rotary piston engine |
| 06/01/1994 | CN1024833C Compound rotary internal combustion engine |
| 05/26/1994 | WO1994011624A1 Engine |
| 05/25/1994 | EP0597855A1 Circular rotary engine. |
| 05/24/1994 | US5313785 Dynamic pressure machine |
| 05/11/1994 | EP0485465A4 Toroidal hyper-expansion rotary engine, compressor, expander, pump and method |
| 05/10/1994 | US5310325 Rotary engine with eccentric gearing |
| 05/04/1994 | EP0594849A1 Rotary piston internal combustion engine |
| 04/28/1994 | WO1994009268A1 Mechanism for converting rotary to reciprocating rotary motion |
| 04/27/1994 | CN1085731A Rotary engine for self-lifting |
| 04/26/1994 | US5305721 Rotary Wankel type engine |
| 04/26/1994 | US5305716 Rocking-type piston engine |
| 04/21/1994 | DE4234503A1 Rotary piston engine - has crank shafts which pass through ring-shaped piston carriers and revolve at same speed as drive shaft about central axis |
| 04/20/1994 | EP0593090A1 Dual compression and dual expansion internal combustion engine and method therefor |
| 04/20/1994 | EP0593089A1 Dual compression and dual expansion internal combustion engine and method therefor |
| 04/19/1994 | US5304048 Scissor-action piston rotary engine with distributive arms |
| 04/19/1994 | US5303546 Internal combustion engine |
| 04/14/1994 | CA2080432A1 Mechanism for converting rotary to reciprocating rotary motion |
| 04/06/1994 | CN2160761Y Rotary piston power unit |
| 03/15/1994 | US5293850 Scroll type rotary internal combustion engine |
| 03/15/1994 | US5293849 Continuously rotating engine apparatus |
| 03/01/1994 | US5289802 Internal combustion engine having opposed pistons |