Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 5893348 | Combustion chamber system having an improved valve arrangement An intake and exhaust system for use with internal combustion engines that uses two intake valves and one exhaust valve for each engine cylinder. The three valves are preferably circular and spaced around the cylinder centerline in said cylinder head. One... | 04/13/1999 |
| 5638787 | Combustion chamber system having an improved valve arrangement An intake and exhaust system for use with internal combustion engines that uses two intake valves and one exhaust valve for each engine cylinder. Said three valves are preferably round and spaced around said cylinder centerline in said cylinder head. A sp... | 06/17/1997 |
| 5566653 | Method and apparatus for clean cold starting of internal combustion engines An improved starting system for internal combustion engines that normally use a liquid fuel such as gasoline. Gaseous fuels such as hydrogen, natural gas, propane, butane and the like are used in place of the liquid fuel during engine starting and for a s... | 10/22/1996 |
| 5549083 | Method and apparatus for clean cold starting of internal combustion engines An improved starting system for internal combustion engines using gaseous fuels such as hydrogen, natural gas, propane, butane and the like. In an engine using liquid fuel injection for normal operation, a sensor for the catalytic converter is provided to... | 08/27/1996 |
| 5501191 | Combustion chamber system having an improved valve arrangement An intake and exhaust system for use with internal combustion engines that uses two intake valves and one exhaust valve for each engine cylinder. The three valves are preferably round and spaced around the cylinder centerline in the cylinder head. The two... | 03/26/1996 |
| 5471966 | Engine air intake filter and crankcase breather oil collection assembly A combination intake air filter for an internal combustion engine and oil collection system for oil in crankcase breather fumes. An enclosed canister having a tubular side wall and two end walls houses a filter element, typically hollow frustum-shaped. A ... | 12/05/1995 |
| 5445135 | Two-valve combustion chamber system A combustion chamber arrangement for use with internal combustion engines having a piston in an engine block cylinder and a cylinder head secured to the block with a combustion chamber adjacent to the piston surface. One intake valve, one smaller exhaust ... | 08/29/1995 |
| 5421301 | Direct cylinder fuel injection system for internal combustion engines A system for introducing fuel into the combustion chamber of an internal combustion engine which includes at least one piston reciprocating in a cylinder with a cylinder head closing the top of the cylinder forming a combustion chamber between piston and ... | 06/06/1995 |
| 5313921 | High efficiency combustion chamber system An intake and exhaust system for use with internal combustion engines that uses two intake valves and one exhaust valve for each engine cylinder. The three valves are preferably round and spaced substantially uniformly in the cylinder head around the cyli... | 05/24/1994 |