Bizarre Patents
An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7341042 | Rotary positive displacement control system and apparatus A rotary positive displacement control system and apparatus includes a transmission assembly, at least a compression assembly and buffer assembly, and an expansion assembly, the buffer assembly disposed between the compression and expansion assembly. The compression... | 03/11/2008 |
| 7073477 | Gorski rotary engine A rotary engine is provided with solid vanes which extend through the rotor and engage opposing interior wall portions of the stator housing. A series of grooves in the interior wall permit the expanding exhaust gases to by-pass the minimal surface area of vanes pro... | 07/11/2006 |
| 7059294 | Orbital engine An engine is disclosed including at least one piston which is positioned within a toroidal piston chamber. A method of operating an engine is disclosed wherein a piston is advanced in a toroidal piston chamber past a first valve and the first valve is closed to form... | 06/13/2006 |
| 6854437 | Continuous flow expandable chamber and dynamic displacement rotary devices A revolving piston rotary annular cylinder valved continuous combustion or flow expandable chamber devices, compressor and engine machine system with an outer toroid cylinder housing assembly having a central axis, having one or a plurality of balanced pistons with ... | 02/15/2005 |
| 6341590 | Rotary engine A rotary engine including a static toroidal cavity having an inlet port for introducing fuel and air to the cavity and an outlet port for exhausting products of combustion from the cavity. A first power train including a first output shaft and a second po... | 01/29/2002 |
| 6129068 | Rotary engine A rotary engine (10) is provided having a housing (11), a rotor (34) mounted within the housing, an intake manifold 21, an exhaust manifold (33) and a reciprocating combustion containment valve (42). The rotor has a base (35) and a shoulder (36) extending... | 10/10/2000 |
| 5203297 | Rotary engine A rotary engine has a plurality of pistons rigidly connected as a single assembly, which pistons advance in a substantially toroidal chamber continuously along an annular path. Included in each of at least one firing position along this path is an inwardl... | 04/20/1993 |
| 5138994 | Supercharged rotary piston engine A supercharged rotary piston engine, which comprises a cylinder (1) with fluid conducting inlet and outlet channels (15, 16); an inner chamber (2) of the cylinder being ring-shaped. The inner chamber includes a supercharging section (10), a working stroke... | 08/18/1992 |
| 5131359 | Rotating head and piston engine Features of this apparatus include a carrier ring with attached concentrically rotating pistons which tangentially couple forces from expanding gasses to a power transfer means, a rotating head with windows to allow piston passage, fuel admittance and exh... | 07/21/1992 |
| 5046465 | Rotary internal combustion engine A rotary internal combustion engine which comprises a housing containing an axle, a pair of toroidal casings both containing a rotor with a piston disposed within the respective casings, an on/off valve for forming an ignition and explosion zone together ... | 09/10/1991 |
| 5009206 | Rotary internal combustion engine A rotary internal combustion engine which comprises a housing containing an axle, a pair of toroidal casings both disposed in parallel within the housing, the toroidal casings containing a rotor with a piston disposed within the casings, respectively, an ... | 04/23/1991 |
| 4884537 | Rotary internal combustion engine A rotary internal combustion engine is disclosed having a rotor which includes at least one fuel peripheral cavity. The rotor effects a valve action with respect to fuel inlet and exhaust ports. A rotor housing includes a circumferential array of piston -... | 12/05/1989 |
| 4782656 | Rotary valve assembly for engine A rotary internal combustion engine has a housing with an elliptical inside surface surrounding an elliptical rotor forming with the housing combustion chambers. Valve and ignition assemblies connected to a source of air under pressure and injectors for i... | 11/08/1988 |
| 4715338 | Rotary engine A rotary type internal combustion engine including an outer housing in which a rotor is rotatably mounted, the rotor having at least one pocket formed in the periphery and in which combustion gases expand to drive the rotor. A oscillating member is mounte... | 12/29/1987 |
| 4667468 | Rotary internal combustion engine A rotary internal combustion engine has a housing with an elliptical inside surface surrounding an elliptical rotor forming with the housing combustion chambers. Valve and ignition assemblies connected to a source of air under pressure and injectors for i... | 05/26/1987 |
| 4590761 | Rotary combustion chamber reaction engine A rotary engine comprises a circular rotor surrounded by an annular stator. The rotor is provided around its outer circumference with spaced combustion chambers and with recesses therebetween. Each recess serves as an expansion chamber for a jet of gas pr... | 05/27/1986 |
| 4137890 | Toroid sweep engine The Toroid Sweep Engine with Reciprocating Jut generates power within a toroidal-shaped chamber whose walls are divided into two ring-like sections which are free to rotate relative to one another around the toroid axis. An obstacle juts from each of the ... | 02/06/1979 |
| 3960117 | Rotary engine A rotor has two opposite lobes which cooperate with the inner surface of a cylindrical wall and further cooperate with four equally spaced retractible radial vanes to form successive pairs of diametrically opposite expanding chambers and successive pairs ... | 06/01/1976 |
