| Patents for F01B 9 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups (2,571) |
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| 07/25/2007 | EP1811151A2 Internal combustion reciprocating piston engine |
| 07/25/2007 | EP1811140A2 Improvements in internal combustion engines |
| 07/25/2007 | EP1809873A2 V-twin configuration having rotary mechanical field assembly |
| 07/19/2007 | WO2007079766A1 Rotary piston engine |
| 07/19/2007 | CA2634854A1 Rotary piston engine |
| 07/17/2007 | US7243595 Piston compressor |
| 07/05/2007 | WO2006088825A3 Piston balancing system |
| 07/05/2007 | US20070151444 Scotch yoke engine |
| 06/27/2007 | CN1323241C Hermetic reciprocating compressor |
| 06/21/2007 | WO2007069915A1 Reciprocating piston machine |
| 06/20/2007 | CN2913749Y Highly effective durable piston type equipment |
| 06/06/2007 | CN1975115A Vehicle engine |
| 06/05/2007 | US7225723 Hermetic compressor |
| 05/30/2007 | CN2906072Y Multi-cylinder lever boosting engine |
| 05/24/2007 | DE19911669B4 Zweitaktmotor Two-stroke engine |
| 05/10/2007 | WO2007053857A1 A reciprocating internal combustion engine with a cam groove-connecting rod type transmission mechanism |
| 05/10/2007 | US20070101712 Engine with an active mono-energy and/or bi-energy chamber with compressed air and/or additional energy and thermodynamic cycle thereof |
| 05/09/2007 | EP1200720B1 Piston engine balancing |
| 05/08/2007 | US7213563 Piston engine having approximate straight-line mechanism |
| 05/08/2007 | US7213504 Hydraulic actuator |
| 05/01/2007 | US7210397 Scotch yoke engine |
| 04/26/2007 | US20070090723 Thermacoustic piezoelectric generator |
| 04/26/2007 | DE202005020001U1 Brennkraftmaschine mit Kurbelgetriebe Internal combustion engine with crank gear |
| 04/18/2007 | CN1950596A Adjustment device for a variable compression ratio engine |
| 04/18/2007 | CN1950587A Balanced rotary engine |
| 04/12/2007 | US20070079790 Cam drive mechanism |
| 04/12/2007 | US20070079787 Internal combustion engine |
| 04/12/2007 | US20070079698 Reciprocating fluid machines |
| 04/12/2007 | DE102005055433B3 Connecting rod for especially double crankshaft piston machine has at least one of two side flange pairs formed so that flanges are provided in front of or behind connecting rod middle plane |
| 04/10/2007 | US7201133 Internal combustion engine having dual piston cylinders and linear drive arrangement |
| 04/05/2007 | WO2007036217A1 Internal combustion engine |
| 03/29/2007 | WO2007035159A1 An engine arrangement |
| 03/29/2007 | WO2007034259A1 Semi-rotary internal combustion heat engine with double pedal discs |
| 03/29/2007 | CA2623307A1 An engine arrangement |
| 03/22/2007 | DE102005044663A1 Engine comprises two crankshafts working in opposing directions and an element arranged between a connecting rod and a piston creating an additional degree of freedom |
| 03/20/2007 | US7191697 Piston mechanism with diverging pistons |
| 03/20/2007 | US7191696 Rotary actuator assembly |
| 03/07/2007 | CN1926307A Engine with an active mono-energy and/or bi-energy chamber with compressed air and/or additional energy and thermodynamic cycle thereof |
| 02/21/2007 | CN1918363A 材料泵 Material pump |
| 02/20/2007 | US7179063 Reciprocating-piston machine with a sliding sleeve |
| 02/15/2007 | US20070034176 Internal combustion engine without connecting rod and a method of its construction |
| 02/13/2007 | US7174863 Mechanism for internal combustion piston engines |
| 02/13/2007 | CA2422663C Engine |
| 02/13/2007 | CA2164030C Windshield washer control system |
| 02/08/2007 | WO2007015633A1 Piston machine without connection-rods |
| 02/07/2007 | CN1910340A 活塞机械 Piston machinery |
| 02/01/2007 | WO2007012701A1 Rotary piston engine |
| 01/31/2007 | EP1748152A1 Balanced rotary engine |
| 01/30/2007 | CA2303252C Internal combustion engines |
| 01/17/2007 | CN1896461A Non-friction air-compression and power generator |
| 01/10/2007 | EP1740810A1 Adjustment device for a variable compression ratio engine |
| 01/10/2007 | EP1488085A4 Reciprocating and rotary internal combustion engine, compressor and pump |
| 01/10/2007 | EP1407125B1 Variable cylinder capacity engine |
| 01/10/2007 | CN2856427Y Built-in straight mainshaft of twin piston |
| 01/09/2007 | CA2422659C Engine with variable compression ratio |
| 01/04/2007 | DE102005032283B3 Kombiniertes Wälz- und Gleitlager Combined plain and roller bearings |
| 01/03/2007 | CN2854097Y Direct-axis piston engine |
| 12/27/2006 | CN1884805A Guide rail type high-speed big-torque engine |
| 12/19/2006 | CA2285107C Arrangement in a two cycle combustion engine with internal combustion |
| 12/14/2006 | US20060278182 Connection assembly for converting between reciprocal and rotary motion |
| 12/14/2006 | DE10394352T5 Kompressor Compressor |
| 12/07/2006 | DE10120945B4 Fluidmotor Fluid motor |
| 11/30/2006 | WO2006126909A1 Piston engine |
| 11/30/2006 | US20060266314 Internal combustion engine |
| 11/29/2006 | CN1869405A Crank drive power machine |
| 11/21/2006 | US7137365 Radial engine |
| 11/16/2006 | US20060254416 Motor/pump unit, particularly for anti-skid vehicle brake systems |
| 11/09/2006 | WO2006117533A1 Engines driven by liquefied gas |
| 11/09/2006 | DE102005020572A1 Hydrostatic volume displacement machine e.g. radial construction machine, has positive displacement unit in direct or indirect contact with rocker arm, where distance between arm axis and point of activation of unit with arm is variable |
| 11/09/2006 | CA2605294A1 Engines driven by liquefied gas |
| 11/02/2006 | US20060243130 Hydraulic actuator |
| 11/01/2006 | CN2833138Y Engine with rotary connecting rod pin |
| 10/25/2006 | EP1242718B8 A device for converting a linear movement into a rotary movement |
| 10/25/2006 | CN1851236A Snail-type vertical centripetal straight-tooth shaft drived non-equal-torque cylinder electric dual-power engine |
| 10/24/2006 | US7124716 Internal combustion engine using opposed pistons |
| 10/24/2006 | US7124678 Apparatus for preventing abrasion in reciprocal compressor |
| 10/19/2006 | WO2005121529A3 Internal combustion engine |
| 10/11/2006 | EP1710394A1 Piston machine |
| 10/11/2006 | EP1709295A1 Material pump |
| 10/10/2006 | US7117781 Piston balancing system |
| 09/27/2006 | CN2821162Y Cylindrical pneumatic engine |
| 09/21/2006 | US20060207249 Stirling engine and hybrid system with the same |
| 09/20/2006 | EP1702137A1 Engine with an active mono-energy and/or bi-energy chamber with compressed air and/or additional energy and thermodynamic cycle thereof |
| 09/20/2006 | CN2818820Y Electric arc generator |
| 09/20/2006 | CN1834429A Double-cylinder and multi-cylinder rotor engine |
| 09/19/2006 | CA2260052C Bearing arrangement |
| 09/13/2006 | EP1242718B1 A device for converting a linear movement into a rotary movement |
| 09/07/2006 | US20060196353 Reciprocating-piston machine for motor vehicles |
| 09/07/2006 | DE102005009947A1 Hubkolbenmaschine Reciprocating engine |
| 09/06/2006 | CN2813916Y Piston type air pressure engine for vehicle use |
| 09/06/2006 | CN1828021A Energy-saving engine |
| 09/05/2006 | US7100549 Mechanism including a piston-and-cylinder assembly |
| 09/05/2006 | US7100548 V-type 8-cylinder four cycle internal combustion engine |
| 09/05/2006 | US7100493 Pneumatic actuator |
| 08/31/2006 | US20060193739 Retro mechanical post mechanical and bi-mechanical traction engines |
| 08/24/2006 | WO2006088825A2 Piston balancing system |
| 08/24/2006 | WO2006088730A2 Reciprocating compressor frame |
| 08/17/2006 | US20060180019 Piston balancing system |
| 08/17/2006 | US20060180018 Reciprocating compressor frame |
| 08/16/2006 | CN2806813Y Air pressure driven engine |