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 |
| 7171942 | Protective engine speed control for a centrifugal clutch A device that controls the engine speed of an internal combustion engine of a hand-held power tool has a protective control unit. The engine has an ignition control unit for controlling the ignition timing relative to a crank angle of a crankshaft based on the crank... | 02/06/2007 |
| 6640779 | Low cost new internal combustion engine with increased mechanical efficiency, fuel saver and pollution controlled A low cost new internal combustion engine with increased mechanical efficiency, fuel saver and pollution control and in particular a new internal combustion engine having improved lubricating mechanism for getting extra time to bum the fuel without knock ... | 11/04/2003 |
| 6382182 | Fuel injector adaptor for conversion of single engines to dual fuel engines An adaptor for adapting a seat of an engine capable of using a first fuel and having a seat for receiving a first fuel injector means with a discharge nozzle for flowing the first fuel, comprising a body having a bore with side walls for receiving the fir... | 05/07/2002 |
| 5487367 | Motorcycle circuit breaker ignition advance An automatic advance unit as applied to the circuit breaker ignition of motorcycles. In the circuit breaker advance unit herein, flyweight roll pins are not set in the flyweights, per se, but they are mounted in the advance unit backing plate, ensuring th... | 01/30/1996 |
| 4887572 | Signal generating rotor of a distributor for an internal combustion engine and a method of producing the same An ignition timing signal generating rotor adapted to be operatively coupled to the shaft of a distributor for an internal combustion engine is disclosed wherein the rotor generates an ignition timing signal in cooperation with an ignition timing sensor o... | 12/19/1989 |
| 4852541 | Distributor for internal combustion engine A distributor for an internal combustion engine includes an ignition timing reluctor provided on a centrifugal spark advance member, ignition timing signal generating means for generating an ignition timing signal by detecting approach and passage of the ... | 08/01/1989 |
| 4744339 | Centrifugal spark-advance control device Disclosed is a centrifugal spark-advance control device for an ignition system of an internal combustion engine, comprising: a base plate which rotates at a speed corresponding to the rotational speed of the engine; a timing plate which is rotatably suppo... | 05/17/1988 |
| 4630590 | Internal combustion engine apparatus An internal combustion engine apparatus including an internal combustion engine having an ignition system and a centrifugal clutch. The ignition system is capable of being in delayed ignition timing in a range of low engine speeds and being in advanced ig... | 12/23/1986 |
| 4538564 | Ignition device for internal combustion engines An ignition distributor (10) for internal combustion engines having an electronic system for the adjustment of the instant of ignition has a high-voltage distributor (15-18) rotating in synchronism with the engine, the distributor rotor (17) of which is f... | 09/03/1985 |
| 4535737 | Centrifugal spark-advance controlling device A centrifugal spark-advance controlling device has a weight being subjected to centrifugal force caused by the revolution of a driving shaft to be opened against the elastic force of a spring member to thereby advance an advancing sleeve with respect to t... | 08/20/1985 |
| 4515117 | Method of and apparatus for igniting internal combustion engine An electric or electronic system for igniting an internal combustion engine comprising generating electric pulses from a pulse generator at such a desired pulse rate as capable of producing a desired number of electric discharges per one explosion step in... | 05/07/1985 |
| 4476844 | Method of and apparatus for igniting internal combustion engine An electric or electronic system for igniting an internal combustion engine comprising generating electric pulses from a pulse generator at such a desired pulse rate as capable of producing a desired number of electric discharges per one explosion step in... | 10/16/1984 |
| 4466407 | Ignition pulse and crankshaft angle pulse generator and distributor combination To provide a signal representative of angular crankshaft position from an ignition distributor, independently of change of ignition timing, the ignition distributor includes a further or additional rotating transducer system (8, 9, 10, 11), for example a ... | 08/21/1984 |
| 4363297 | Ignition timing control device for internal combustion engine Ignition timing of an internal combustion engine is caused to advance in stepped increments as the engine speed increases in a uniform manner. Centrifugal weights of different sizes move a timing control element by angular increments against the action of... | 12/14/1982 |
| 4333433 | Electronic ignition system with mechanical advance A mechanical structure for an ignition controller (20) for an electronic ignition system, including structure for a sensing coil carrier, a trigger rotor, and a mechanical advance mechanism is disclosed. The sensing coil carrier (28) is pivotably mounted ... | 06/08/1982 |
| 4183230 | Centrifugal governor for engine ignition system A pair of centrifugal governor are combined in an unit for providing a compound spark advance characteristics. A second advance cam and a pair of weights are placed above a first advance cam and a pair of weights. All weight support pins and additional pair of... | 01/15/1980 |
| 4183131 | Process of manufacturing a centrifugal angular advance device for an internal combustion engine A centrifugal angular advance device for internal combustion engines is provided with a pair of weights and an advance plate engaged with the pair of weights for provision of an angular advance. Each of the pair of weights comprises a blank or integrated ... | 01/15/1980 |
| 4154201 | Ignition timing control device of an internal combustion engine with an auxiliary combustion chamber Disclosed is an ignition timing control device of an internal combustion engine provided with an auxiliary combustion chamber. The ignition timing is retarded as compared with a conventional ignition timing when the engine is operating at a high number of... | 05/15/1979 |
| 4125103 | Breakerless ignition distributor for internal combustion engines A breakerless ignition distributor equipped with a pair of centrifugally responsive spark retarding discs sandwiched between a pair of bearing members all held assembled to the distributor shaft by a readily adjusted clutch. Centrifugally responsive balls... | 11/14/1978 |
| 4058095 | Distributor for an internal combustion engine A distributor for an internal combustion engine which changes the ignition timing of the engine based on two variables including the rotating speed of the engine and the load imparted to the engine. A sleeve is loosely mounted on a rotary shaft of the dis... | 11/15/1977 |
| 4055157 | Ignition distributor-breaker system having centrifugal timing adjustment To decrease spark advance upon high-speed operation of a separately ignited internal combustion engine, a spark advance centrifugal timing element, engaging a timing cam, is constructed to be formed of two link elements connected together by a knee joint ... | 10/25/1977 |
| 3964456 | Ignition distributor An ignition distributor for an internal combustion engine has a drive shaft adapted to be driven in accordance with engine speed, a pulse generating rotor coaxial with said shaft and adapted to be angularly adjustable relative thereto, and a single flywei... | 06/22/1976 |
| 3958543 | Photoelectric breakerless distributor There is provided an ignition system in which a light path is arranged so that the light output of a light emitting element is received by a photoelectric element, and this light path is made and broken intermittently to generate ignition signals. A plura... | 05/25/1976 |
| 3942492 | Centrifugal ignition advancer device for an ignition system of an internal combustion engine A centrifugal ignition advancer device adapted to advance the ignition timing of an internal combustion engine according to the engine speed comprising two weights adapted to be displaced in accordance with the speed of revolution of a distributor shaft, ... | 03/09/1976 |
