| Patents for F02B 53 - Internal-combustion aspects of rotary-piston or oscillating-piston engines (4,415) |
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| 05/30/2013 | US20130133613 Rotary Engine With Rotating Pistons and Cylinders |
| 05/29/2013 | CN102322338B Double-rotor rotary piston engine |
| 05/22/2013 | CN202946236U Piston type rotor engine |
| 05/22/2013 | CN102297018B 旋转发动机 Rotary engine |
| 05/16/2013 | WO2013070242A1 General wheel power rotation motor |
| 05/16/2013 | US20130118445 Rotary piston engine |
| 05/15/2013 | CN103104335A Novel internal-combustion engine |
| 05/14/2013 | CA2516717C Integral cooling system for rotary engine |
| 05/08/2013 | CN202926462U Internal combustion engine |
| 05/08/2013 | CN103089416A Ignition groove of natural gas rotary engine |
| 05/08/2013 | CN102305129B Swinging wing engine |
| 05/07/2013 | US8434449 Rotary piston device having interwined dual linked and undulating rotating pistons |
| 05/02/2013 | WO2012107593A3 Driving device |
| 05/01/2013 | CN103075248A Turbine rotor energy-saving engine |
| 04/24/2013 | CN103061873A Efficient double four-stroke internal combustion engine |
| 04/24/2013 | CN102269049B Rotor engine and air distribution mechanism thereof |
| 04/24/2013 | CN102182548B Power transmission device of volumetric machine |
| 04/24/2013 | CN102140959B Power transmission device with combined pericycloid mechanism and double-crank mechanisms |
| 04/24/2013 | CN102116195B Gasoline engine with eccentric rotor |
| 04/24/2013 | CN101852124B Precession rotary engine |
| 04/24/2013 | CN101832178B Rotary piston engine |
| 04/23/2013 | US8425200 Pump controller |
| 04/23/2013 | US8424505 Variable-volume rotary device, an efficient two-stroke spherical engine |
| 04/23/2013 | US8424504 Rotary piston internal combustion engine |
| 04/18/2013 | US20130092122 Rotary engine |
| 04/18/2013 | US20130092121 Orbital, non-reciprocating, internal combustion engine |
| 04/17/2013 | CN103046999A Properly sealed rotor engine |
| 04/17/2013 | CN102282347B Rotary piston engine |
| 04/17/2013 | CN102061982B Rotating disk type engine |
| 04/17/2013 | CN101787927B Circularly moving piston internal combustion engine |
| 04/16/2013 | US8418672 High leverage rotary internal combustion engine |
| 04/16/2013 | CA2537821C Planetary rotary internal combustion engine |
| 04/11/2013 | US20130087118 Rotary energy converter with retractable barrier |
| 04/10/2013 | CN103032158A Circular cylinder engine |
| 04/10/2013 | CN102325975B Rotary internal combustion engine |
| 04/10/2013 | CN101886572B Planetary rotary internal combustion engine |
| 04/09/2013 | CA2569844C Reciprocating and rotary piston engine |
| 04/04/2013 | US20130081591 Rotary internal combustion engine |
| 04/03/2013 | CN202851140U Cohesive-type internal combustion engine |
| 04/03/2013 | CN103016147A Novel internal combustion engine |
| 04/03/2013 | CN103016143A Novel internal-combustion engine |
| 04/03/2013 | CN103016142A Reciprocating rotor engine |
| 04/02/2013 | US8408179 Rotary piston combustion engine |
| 03/28/2013 | DE102011083450A1 Rotary piston combustion engine e.g. Wankel engine has laser ignition system that is provided to irradiate laser light on ignition dot formed in combustion chamber |
| 03/27/2013 | CN102996236A Torus-shaped cylinder circumduction rotating piston engine |
| 03/27/2013 | CN102996235A Eccentric generator |
| 03/27/2013 | CN102996234A Relay-type ring-shaped rotor engine with complete moment |
| 03/27/2013 | CN101675224B 正位移旋转叶片发动机 Positive displacement rotary vane engine |
| 03/20/2013 | CN102374014B Double-cylinder sliding-piece type rotary internal combination engine |
| 03/14/2013 | WO2013003654A3 Semi-isothermal compression engines with separate combustors and expanders, and associated system and methods |
| 03/14/2013 | US20130061828 Rotary Engine |
| 03/13/2013 | CN202789101U Engine |
| 03/13/2013 | CN202789100U Rotary internal-pressure engine |
| 03/13/2013 | CN202789099U Blade engine |
| 03/13/2013 | CN101539053B 转子发动机 Rotary engine |
| 03/07/2013 | WO2013033732A1 Rotational engine |
| 03/06/2013 | CN102953806A X-variable compression ratio engine |
| 02/27/2013 | EP2561199A1 High-performance internal combustion engine |
| 02/21/2013 | WO2013023268A1 Mechanism with toroidal rotor and rotary pistons |
| 02/21/2013 | DE102011109966A1 Rotationskolbenmotor, insbesondere mit zündkammerumlaufenden Rotationskolben Rotary piston motor, in particular with zündkammerumlaufenden rotary piston |
| 02/20/2013 | CN102383921B Rotor engine and rotor unit thereof |
| 02/19/2013 | CA2518418C Internal combustion engine and method |
| 02/13/2013 | CN102926860A Rotary engine |
| 02/07/2013 | WO2013017740A2 Improved rotary internal combustion engine |
| 02/07/2013 | US20130032121 Rotary engine |
| 02/06/2013 | EP2553241A2 Oscillating piston engine |
| 02/06/2013 | CN102913321A Hypocycloid rotary piston internal combustion engine and compressor |
| 02/05/2013 | US8365699 Hybrid cycle rotary engine |
| 02/05/2013 | US8365698 Hybrid cycle combustion engine and methods |
| 01/31/2013 | US20130025567 Rotary internal combustion engine with pilot subchamber |
| 01/31/2013 | US20130025566 Rotary internal combustion engine with variable volumetric compression ratio |
| 01/31/2013 | US20130025565 Multi-rotor rotary engine architecture |
| 01/30/2013 | CN102906393A 振荡活塞发动机 Oscillating piston engine |
| 01/30/2013 | CN102900516A Rotary internal combustion engine with exhaust purge |
| 01/30/2013 | CN102900515A Rotary internal combustion engine with variable volumetric compression ratio |
| 01/30/2013 | CN102900514A Rotary internal combustion engine with pilot subchamber |
| 01/30/2013 | CN102900513A 超级引擎 Super Engine |
| 01/30/2013 | CN102900510A Compound engine system with rotary engine |
| 01/28/2013 | CA2783030A1 Multi-rotor rotary engine architecture |
| 01/28/2013 | CA2782845A1 Rotary internal combustion engine with exhaust purge |
| 01/28/2013 | CA2782758A1 Rotary internal combustion engine with phasing gear |
| 01/28/2013 | CA2782754A1 Rotary internal combustion engine with variable volumetric compression ratio |
| 01/28/2013 | CA2782749A1 Rotary internal combustion engine with pilot subchamber |
| 01/28/2013 | CA2782744A1 Compound engine system with rotary engine |
| 01/23/2013 | EP2547870A1 A twin rotor pump, motor and/or drive assembly |
| 01/23/2013 | CN202690216U Spherical dual-ring rotor internal combustion engine |
| 01/23/2013 | CN102305130B 活塞式内燃机 Piston engine |
| 01/23/2013 | CN101490386B Internal combustion engine |
| 01/22/2013 | US8356585 Planetary rotary engine |
| 01/16/2013 | CN102877935A Three-stroke sliding vane type rotary engine |
| 01/16/2013 | CN102877934A Rotor structure for concentric rotor engine |
| 01/08/2013 | US8347848 Internal combustion engine |
| 01/08/2013 | US8347847 Internal combustion two stroke oscillating engine |
| 01/03/2013 | CA2839949A1 Semi-isothermal compression engines with separate combustors and expanders, and associated systems and methods |
| 01/02/2013 | EP2539565A2 Rotary type internal combustion engine |
| 01/02/2013 | CN102011642B Vane type engine |
| 12/26/2012 | CN202628270U Rotor engine |
| 12/26/2012 | CN102840027A Arc cylinder pendulum type internal combustion engine |
| 12/26/2012 | CN102182547B Power transmission method for volumetric machine based on cycloidal mechanism and connecting rod mechanism |
| 12/26/2012 | CN101936217B Single-screw rod engine and energy converting method thereof |