| Patents for F01C 9 - Oscillating-piston machines or engines (915) |
|---|
| 04/06/1995 | DE4401327C1 Swash plate machine, especially internal combustion engine |
| 03/23/1995 | WO1995008055A1 Internal combustion engine |
| 03/07/1995 | CA1334661C Valve arrangement for pump or compressor |
| 02/16/1995 | DE4337768C1 Oscillating motor |
| 02/09/1995 | DE4325166A1 Cardan rotary engine |
| 01/26/1995 | DE4324097A1 Four stroke internal combustion engine |
| 01/05/1995 | DE3943716C2 Motor of oscillating-piston type |
| 12/10/1994 | CA2124131A1 Spherical engine |
| 11/17/1994 | EP0624715A1 Fluid motor with oscillating piston |
| 11/15/1994 | US5363813 Dual rocker shaft internal combustion diesel engine |
| 09/15/1994 | DE4401285A1 Internal combustion engine |
| 08/09/1994 | US5336067 Spherical engine |
| 07/06/1994 | EP0604533A1 Internal combustion engine having opposed pistons. |
| 06/23/1994 | WO1994013934A1 Swash plate machine |
| 06/23/1994 | DE4242449A1 Swash plate pump or compressor |
| 06/23/1994 | CA2151397A1 Swash plate machine |
| 06/08/1994 | CN1087700A Swinging reciprocating piston machine |
| 05/25/1994 | EP0597855A1 Circular rotary engine. |
| 05/10/1994 | US5309716 Rotary pump or engine with spherical body |
| 05/04/1994 | CN1086289A Self-lifting power machine |
| 04/26/1994 | US5305716 Rocking-type piston engine |
| 04/12/1994 | US5301637 Rotary-reciprocal combustion engines |
| 03/01/1994 | US5289802 Internal combustion engine having opposed pistons |
| 02/05/1994 | CA2075223A1 B.w. energy device |
| 12/23/1993 | WO1993025818A1 Actuator for transfer of forward and backward rotational movement |
| 12/22/1993 | EP0575309A1 Internal combustion engine with oscillating pistons |
| 10/20/1993 | EP0456713B1 Arrangement of pumps or similar machines |
| 10/12/1993 | US5251594 Nutating internal combustion engine |
| 09/16/1993 | DE4207817A1 Pneumatic rotary drive with pressure-tight pressure chamber - has rotor with hollow cylindrical body and single rotary vane. |
| 09/08/1993 | CN1076005A Nutating internal combustion engine |
| 09/02/1993 | WO1993017224A1 Positive displacement machine with reciprocating and rotating pistons, particularly four-stroke engine |
| 09/02/1993 | CA2130260A1 Positive displacement machine with reciprocating and rotating pistons, particularly four-stroke engine |
| 07/08/1993 | WO1993013305A1 Nutating internal combustion engine |
| 07/07/1993 | EP0550044A1 Nutating internal combustion engine |
| 04/20/1993 | US5203684 Oscillating piston pump or similar machine |
| 04/13/1993 | US5201644 Valve arrangement for pump or compressor |
| 04/06/1993 | US5199864 Spherical fluid pump or motor with spherical ball comprising two parts |
| 03/18/1993 | WO1993005290A1 Internal combustion engine having opposed pistons |
| 03/18/1993 | WO1993003257A1 Circular rotary engine |
| 03/18/1993 | CA2115139A1 Circular rotary engine |
| 02/17/1993 | EP0527146A1 A double acting, rectangular faced, arc shaped, oscillating piston quadratic internal combustion engine or machine |
| 01/21/1993 | WO1993001395A1 Oscillating piston engine |
| 01/20/1993 | EP0523129A1 A rotary engine |
| 12/15/1992 | US5171142 Rotary displacement machine with cylindrical pretension on disc-shaped partition |
| 10/20/1992 | US5156115 Rotary reciprocal combustion engines |
| 10/06/1992 | US5152257 Rotary-reciprocal combustion engines |
| 10/06/1992 | US5152254 Internal combustion engine for vehicles |
| 09/15/1992 | US5147193 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 09/02/1992 | CN1018079B Piston internal combustion engine |
| 08/18/1992 | US5138993 Rotary wavy motion type engine |
| 07/29/1992 | EP0395710B1 Valve arrangement for pump or compressor |
| 07/07/1992 | US5127810 Rotary pump or engine with spherical body |
| 06/02/1992 | CA1302377C Power conversion machine having pistons which are moved in a turning motion in a spherical housing |
| 05/19/1992 | US5115157 Liquid sealed vane oscillators |
| 05/19/1992 | CA1301070C Fluid power transfer device |
| 04/15/1992 | CN1016261B Waveform actuating air compressor |
| 02/11/1992 | US5086732 Four stroke concentric oscillating rotary vane internal combustion engine |
| 01/30/1992 | DE4130533A1 Rotary IC engine piston - has helical end face which matches face of flange of output shaft |
| 12/24/1991 | US5074253 Volumetric displacement machine with double-action oscillating pistons |
| 11/27/1991 | CN1014921B Power conversion machine provided with pistons rotating in spherical housing |
| 11/21/1991 | EP0456713A1 Arrangement of pumps or similar machines. |
| 11/20/1991 | CN1014814B Oscillating piston type engine |
| 11/13/1991 | EP0431168A4 Volume-expansion rotor machine |
| 10/17/1991 | WO1991015659A1 A rotary engine |
| 10/08/1991 | WO1991015663A1 A double acting, rectangular faced, arc shaped, oscillating piston quadratic internal combustion engine or machine |
| 10/08/1991 | CA2080132A1 Double acting rectangular faced arc shaped, oscillating piston quadratic internal combustion engine or machine |
| 08/20/1991 | US5040453 Actuator housing continuation |
| 08/06/1991 | US5036809 Circular rotary engine |
| 07/11/1991 | DE4000384A1 Reciprocating piston IC engine - has circular arc cylinder and has cylinder and two pistons on common axis |
| 06/12/1991 | EP0431168A1 Volume-expansion rotor machine |
| 06/05/1991 | EP0429650A1 Volume-expansion steam rotor engine |
| 06/05/1991 | CN1012750B Power coversion machine having pistons which are moved in turning movement in spherical housing |
| 05/02/1991 | WO1991005940A1 Pump or motor |
| 05/01/1991 | CN2076164U Oscillating-shaft engine |
| 01/09/1991 | EP0293413B1 Power conversion machine having pistons which are moved in a turning movement in a spherical housing |
| 12/26/1990 | CN1048078A Lateral link rod type internal combustion engine |
| 11/29/1990 | WO1990014503A1 Volume-expansion steam rotor engine |
| 11/29/1990 | WO1990014502A1 Volume-expansion rotor machine |
| 11/07/1990 | EP0395710A1 Valve arrangement for pump or compressor. |
| 09/19/1990 | CN2062383U Cylinder diesel engine |
| 09/19/1990 | CN2062382U High efficient full automatic diesel or gasoline internal combustion engine |
| 09/06/1990 | DE3905882A1 Rotary piston engine |
| 08/28/1990 | US4951615 Motion-conversion mechanism for a four stroke oscillating piston internal combustion engine |
| 08/08/1990 | EP0381639A2 Power conversion machine provided with pistons rotating in a spherical housing |
| 08/04/1990 | WO1990008902A1 Arrangement of pumps or similar machines |
| 08/04/1990 | CA2045558A1 Arrangement of pumps or similar machines |
| 08/02/1990 | DE3902730A1 Digital motor |
| 07/25/1990 | CN1044149A Power conversion machine provided with pistons rotating in spherical housing |
| 07/10/1990 | WO1990007632A1 Power conversion machine with pistons rotating in pairs relative to each other in a spherical housing |
| 07/03/1990 | US4938025 Power conversion machine having pistons which are moved in a turning movement in a spherical housing |
| 06/27/1990 | EP0374798A2 Liquid sealed vane oscillators |
| 06/21/1990 | CA2005918A1 Liquid sealed vane oscillators |
| 06/06/1990 | CN2057956U Two stroke double rocker arm type rotary engine |
| 04/24/1990 | US4919601 Waveform actuating air compressor |
| 04/24/1990 | US4919040 Rotor vane and shaft assembly |
| 03/07/1990 | CN1040248A Ring-swing ic engine |
| 12/13/1989 | CN2049275U Swing type hand pump |
| 12/13/1989 | CN2049265U Double soft friction pneumatic swing sheet type cornering executive mechanism |
| 12/13/1989 | CN1037947A Piston internal combustion engine |
| 12/13/1989 | CN1037946A Power conversion machine having pistons which are moved in turning movement in spherical housing |