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9771800 | Rotary motor with geared transmission for use of compressible media drive | May 11, 15 | Sep 26, 17 | Not available |
9677401 | Radial piston rotary device with compact gear drive mechanism | Oct 17, 16 | Jun 13, 17 | Not available |
9617991 | Hollow gerotor | Jan 21, 13 | Apr 11, 17 | PARKER-HANNIFIN CORPORATION |
9239002 | Orbiting planetary gearing system and internal combustion engine employing the same | Sep 25, 13 | Jan 19, 16 | Not available |
9228489 | Rotary engine with rotating pistons and cylinders | Nov 21, 12 | Jan 05, 16 | Not available |
8950377 | Hybrid internal combustion engine (variants thereof) | May 31, 12 | Feb 10, 15 | Not available |
8851044 | Vane-type rotary actuator or an internal combustion machine | Oct 07, 05 | Oct 07, 14 | Not available |
8297253 | Rotary piston engine | Mar 28, 08 | Oct 30, 12 | Not available |
6461127 | Fixed displacement suction and exhaust apparatus utilizing rotary pistons of coaxial structure | Oct 27, 00 | Oct 08, 02 | Not available |
6422841 | Cat and mouse type rotary device utilizing grooves and rods for power conveyance | May 29, 01 | Jul 23, 02 | Not available |
6371743 | Rotary internal combustion engines | Dec 10, 99 | Apr 16, 02 | Not available |
5816788 | Rotary engine having a transmission including half-pinions and cams | Jul 08, 96 | Oct 06, 98 | Not available |
5527165 | Pressurized vapor driven rotary engine | Apr 14, 94 | Jun 18, 96 | MAGNITUDE TECHNOLOGIES, INC. |
5326238 | Rotating piston machine having cam controlled alternating pistons | Aug 05, 93 | Jul 05, 94 | SITA Maschinenbau- und Forschungs GmbH |
5324182 | Rotating piston internal combustion engine with ring gear elastically coupled to the housing | Sep 13, 91 | Jun 28, 94 | Sabet; Huschang |
5203858 | Alternating velocity rotary engine employing a gear control mechanism | Jan 27, 92 | Apr 20, 93 | Not available |
5147191 | Pressurized vapor driven rotary engine | Feb 08, 91 | Sep 15, 92 | MAGNITUDE TECHNOLOGIES, INC. |
5083539 | Concentric rotary vane machine with elliptical gears controlling vane movement | Oct 19, 90 | Jan 28, 92 | Not available |
5069604 | Radial piston rotary device and drive mechanism | Jun 01, 89 | Dec 03, 91 | Not available |