Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7383798 | Highly efficient two-stroke double compression combustion engine This invention relates to the field of diesel engines operating on two-stroke cycles. This invention further relates to said diesel engines having piston compressors. Our invention has disclosed a double compression diesel engine featuring outstanding compres... | 06/10/2008 |
| 7331314 | Two-stroke engine A two-stroke engine has a cylinder with a combustion chamber that is delimited by a reciprocating piston that drives with a connecting rod a crankshaft rotatably supported in a crankcase. In predetermined positions of the piston, the crankcase is connected by at lea... | 02/19/2008 |
| 6026769 | Mechanical direct cylinder fuel injection A two-stroke internal combustion engine having at least one cylinder with a combustion chamber defined between the cylinder head and a reciprocating piston, and a carburetor which delivers a rich fuel and air mixture to a compressor with a reciprocating p... | 02/22/2000 |
| 5666912 | Internal combustion engine An internal combustion engine in which the piston (10) rocks about a pivot point (60) with the piston (10) being connected adjacent the end remote from the pivot point (60) to a connecting rod (12) to drive a crankshaft. The piston (10) has a first arcuat... | 09/16/1997 |
| 5601055 | Rotary vee engine with supply piston induction A rotary internal combustion engine having a plurality of pairs of angled pistons, each pair having a power piston and a corresponding supply piston. As the power piston of a pair fires to provide rotation for the engine, the corresponding supply piston d... | 02/11/1997 |
| 5156118 | Process and device for self super-charging a two stroke engine Process and device for supplying air to the cylinder of a two-stroke internal combustion engine, with at least one set of two cylinders arranged at 180 degrees, supercharged by a post-filling effect. Said device is characterized in that it comprises a vol... | 10/20/1992 |
| 5033418 | Pressurized carburetted mixture introduction device and method A method and device for introducing a carburetted mixture into a first cylinder of an internal combustion engine under pressure, this engine comprising at least one other cylinder with a pump crankcase, further comprising a connecting duct between the cra... | 07/23/1991 |
| 4781155 | Regeneratively acting two-stroke internal combustion engine In a regeneratively operating two-stroke reciprocating internal combustion engine with at least one working cylinder, a supercharger cylinder (2) is associated with the combustion cylinder (3), the supercharger cylinder being connected to the combustion c... | 11/01/1988 |
| 4663938 | Adiabatic positive displacement machinery Adiabatic positive displacement gas cycle machinery is designed with explicit control of the heat flow between the gas and the walls. The control is achieved by maintaining near-laminar flow and a small wall area to volume ratio. The most stable near-lami... | 05/12/1987 |
| 4424772 | Internal combustion engine valve actuating cam A two stroke internal combustion engine with piston and cylinder has a crankshaft having peripheral gears and a cam both affixed to the same crankshaft throw. A trough is in the engine crankcase whereby the gears pass through lubrication.... | 01/10/1984 |
