Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8061327 | Tangential combustion turbine A tangential combustion turbine is disclosed which is based on a casing, a rotor, and moving levers. A radial compressor is attached to the rotor and creates air pressure which pushes air into the combustion chamber based on the position and design of the combustion... | 11/22/2011 |
| 7117841 | K.Engine K. Engine (KE) is rotary internal combustion engine, combination Reciprocating Engine (RE) and Gas Turbine (GT) comprising coaxially separate piston rotary compressor and turbine having housings with annular channels, outside combustion chambers (CH) unified with ro... | 10/10/2006 |
| 6988482 | Dual rotor internal combustion engine An engine including a housing formed with a pair of side-by-side intersecting substantially cylindrical cavities, and a pair of counter-rotating power rotors rotatably mounted within the cavities. The pair of power rotors include intermeshing lobes that each define ... | 01/24/2006 |
| 6978758 | High Efficiency rotary piston combustion engine A computer controlled rotary piston engine includes a blower housing containing a rotatable impeller assembly, for pushing ambient air into the housing, and forcing the air to pass through a normally open valve mechanism into a combustion chamber. A plurality of fue... | 12/27/2005 |
| 6955153 | Asymmetric compete expansion rotary engine cycle A thermodynamic cycle for an internal combustion rotary engine is disclosed which achieves high efficiency through an asymmetry between the volume of air charge before compression and the volume of expanded air at the completion of expansion. The expanded volume is ... | 10/18/2005 |
| 6758188 | Continuous torque inverse displacement asymmetric rotary engine An internal combustion rotary engine generating continuous torque throughout an entire combustion cycle by an inverse displacement of a moving chamber and stationary convex surface is described. A rotary engine having one or more of asymmetric chambers, asymmetric c... | 07/06/2004 |
| 6615793 | Valveless revolving cylinder engine A revolving cylinder engine having a stationary fixed housing with circumferential intake and exhaust ports and an ignition means, a concentrically positioned revolving cylinder block bored centrally and radially with said radial bore defining a piston co... | 09/09/2003 |
| 6530357 | Rotary internal combustion engine The present invention pertains to rotary internal combustion engines and essentially relates to an engine including a body that comprises an inner cylindrical cavity as well as side covers. The cavity comprises a rotor-piston which is concentrically mount... | 03/11/2003 |
| 6431139 | Oscillating-piston engine An oscillating-piston engine, comprising a housing, in which several pistons configured as two-armed levers are arranged pivotably, respectively, around a pivot axis being parallel to a central housing axis and moving commonly in a revolution direction. T... | 08/13/2002 |
| 6244240 | Rotary positive-displacement scavenging device for rotary vane pumping machine A rotary vane pumping machine includes a stator and rotor in relative rotation. The rotor has a plurality of radial vanes slots and each one of a corresponding plurality of vanes slides within a radial vane slot of the rotor. Each pair of adjacent vanes d... | 06/12/2001 |
| 5794583 | Side pressure type rotary engine A side pressure type rotary engine of a simple construction is formed by a cylinder having a suction port and an exhaust port in predetermined portions thereof, a main shaft passed through the cylinder, a rotor provided at both sides of flat surface porti... | 08/18/1998 |
| 5787856 | Rotary engine A rotary engine has a rotor shaft, a power rotor carried by and rotating conjointly with the rotor shaft, a pair of stators disposed radially outwardly of the power rotor, an annular cam ring, disposed radially outwardly of the stators, connected to and r... | 08/04/1998 |
| 5423298 | Rotary internal combustion engine A rotary internal combustion engine including a plurality of variable compression ratio rotating combustion chambers or alternatively stationary combustion chambers, a multi-piston movable assembly or alternatively a multi-sector movable assembly, a multi... | 06/13/1995 |
| 5372107 | Rotary engine A rotary engine having an oval rotor (12) centrally mounted in a cylindrical chamber (11). Cylindrical chamber (11) is partitioned into a number of combustion chambers (40-47) by sliding vanes (48-53B). Rotor (12) is mounted to a partially hollow shaft (2... | 12/13/1994 |
| 4653446 | Rotary internal combustion engine The invention is an internal combustion engine for two or four cycle mechanical power generation. The engine has an annular cavity formed between its rotor and casing and around the rotor rotational axis. The rotor surface at the annular cavity has undula... | 03/31/1987 |
| 4446829 | Rotary internal combustion engine A rotary internal combustion engine has a block assembly and a rotor journalled for coaxial rotation within a cylindrical chamber in the block assembly. Angularly spaced lobes on the rotor separate angularly spaced pockets which are defined by the rotor. ... | 05/08/1984 |
| 4239027 | Rotary internal stage combustion engine A dual rotor type rotary engine with primary and secondary rotor compartments around each rotor is described. The engine operates by activating in sequence an ignition means in the presence of a fuel and air mixture in primary and secondary compartments a... | 12/16/1980 |
| 4178900 | Rotary internal combustion engine A rotary internal combustion engine comprising a generally cylindrical stator member having two pairs of sockets located in the interior peripheral wall thereof, and a rotor member mounted to rotate within the stator member. Two pairs of opposing wedges a... | 12/18/1979 |
| 4089305 | Rotary internal combustion engine Rotary engine construction wherein a lobed rotor cooperates with unique retractable separators to divide the bore into work chambers, the rotor lobes or pistons performing the intake, compression, power and exhaust functions rapidly, efficiently and smoot... | 05/16/1978 |
| 4080935 | Rotary internal combustion engine An internal combustion engine of the rotary type comprises a housing or block provided with a cavity which is cylindrical in one portion and enlarged in another; the side walls of the cavity are flat. A drive shaft is rotatably mounted in the housing for ... | 03/28/1978 |
| 4009690 | Rotary internal combustion engine A rotary internal combustion engine comprising an elongated rotor having an oval shaped cross-section secured to a compartmentalized shaft rotatably disposed in an elongated cylindrical shaped bore in a stationary engine block. A plurality of vanes, havin... | 03/01/1977 |
| 3978825 | Rotary internal combustion engine A tubular housing having a circular inner surface provided with a plurality of recesses receiving pistons movable pivotally between a position fully retracted in the recesses and a position projecting radially inwardly from the housing. A rotor is rotatab... | 09/07/1976 |
