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 |
| 8104446 | Engine with carburetor mounted on an insulator Screw holes are provided on a contacting surface of an insulator so as to enable a carburetor to be mounted on the insulator at a plurality of positions rotated about an axial center of an intake hole. The insulator is mounted on a cylinder at a predetermined positi... | 01/31/2012 |
| 7090710 | Air intake duct for vehicle An air intake duct for a vehicle having a cuttable groove at an external wall of an air exhaust port can be applied to any vehicle regardless of whether an air filter is adopted, thus providing cost-effectiveness, preventing air leakage when the air filter is not us... | 08/15/2006 |
| 6971358 | Intake system for internal combustion engine and method of controlling internal combustion engine An intake system has a tubular intake manifold, having an end connected to an intake port of an engine and an opposite end connected to a throttle body that includes a throttle valve. The intake system also has a bypass passage, connected to the intake manifold down... | 12/06/2005 |
| 6513794 | Engine having carburetor with bridge circuit An internal combustion engine including a cylinder, a crankshaft, a reciprocating piston disposed in the cylinder and operably coupled to the crankshaft, and a carburetor. The carburetor includes an airflow passage through which varying amounts of air flo... | 02/04/2003 |
| 6499726 | Engine having carburetor with bridge circuit An internal combustion engine including a cylinder, a crankshaft, a reciprocating piston disposed in the cylinder and operably coupled to said crankshaft, and a carburetor. The carburetor includes an airflow passage through which varying amounts of air fl... | 12/31/2002 |
| 6401673 | Two-stroke engine having a bypass branching from an air filter housing The invention relates to a two-stroke engine for a portable handheld work apparatus such as a motor chain saw. The combustion chamber (3), which is configured in a cylinder (2), is delimited by a piston (5) which drives a crankshaft (7) rotatably journall... | 06/11/2002 |
| 6213066 | Drive unit A drive unit (1) for a handheld working tool, such as a chain saw, trimmer or hedge trimmer, essentially comprising a housing part (2) with a fuel tank (3) and an engine unit (4) with a fuel supply unit (5) such as a carburetor (5), a muffler (6), and a c... | 04/10/2001 |
| 5971822 | Air intake system for outboard motor An outboard motor air intake device having a throttle body is located essentially horizontally in front of the engine, and includes a surge tank located on a side part of the throttle body, and an air intake manifold with multiple air intake pipes which e... | 10/26/1999 |
| 5119769 | Vertical three cylinder two cycle engine with single carburetor In a two cycle internal combustion engine (80) comprising three cylinders (22, 24, 26) vertically in-line, a single intake manifold (82) services all three of the cylinders, and a single fuel delivery device (84), such as a carburetor, on the manifold del... | 06/09/1992 |
| 4993369 | Internal combustion engine A two-stroke internal combustion engine comprising an engine block including a first exterior surface portion, a second exterior surface portion spaced from the first portion and having therein a crankcase-defining cavity, and a combustion air passage ext... | 02/19/1991 |
| 4967704 | Air intake device for engine of marine propulsion boat Two embodments of induction devices for V-type engines wherein a compact configuration is achieved by having the inlet for the induction device disposed between the area defined by the associated induction devices of the engine.... | 11/06/1990 |
| 4964380 | Induction system for a two-cycle engine An induction system for supplying air-fuel mixture to a two-stroke cycle crankcase compression engine is disclosed. The induction system includes an induction passage for each crankcase compartment, and a reed valve system disposed between the induction p... | 10/23/1990 |
| 4819589 | Suction system for internal combustion engine A suction system for an internal combustion engine has an elbow tube comprising a first passage portion and a second passage portion. One end of the first passage portion is coupled with the inlet of a carbureter, while the other end thereof is closed, an... | 04/11/1989 |
| 4784090 | Intake device for outboard engine An induction system for a two-cycle crankcase compression internal combustion engine of the type employed in an outboard motor. As such, the engine has vertically disposed crankcase chambers. Two barrel carburetors serve the crankcase chambers of the cyli... | 11/15/1988 |
