Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 4705219 | Electromagnetically-operable fluid injectors An electromagnetically-operable fuel injector comprising a fuel chamber having an outlet nozzle and into which a solenoid core projects. A ball valve in the gap between the core and the nozzle orifice and movable towards and away from the core to seat and... | 11/10/1987 |
| 4617904 | Air/fuel induction system for a multi-cylinder internal combustion engine A motor vehicle fuel system operable selectively to supply metered quantities of petrol or LPG in its gaseous state to a carburetter induction passage. The LPG system includes a pair of digital injection valves in a body having a common inlet, a common ou... | 10/21/1986 |
| 4587986 | Air/fuel induction system for spark ignition internal combustion engines, and electromagnetic valves A motor vehicle fuel system operable selectively to supply metered quantities of petrol or LPG in its gaseous state to a carburetter induction passage. The LPG system includes a single stage pressure regulator and an injection valve which may be a digital... | 05/13/1986 |
| 4545345 | Air/fuel induction system for a multi-cylinder internal combustion engine An air/fuel induction system includes a pair of solenoid valves injecting fuel into an induction passage of a multi-cylinder engine. The valves supply fuel upstream of the inlet manifold to the engine and do not therefore direct fuel to specific cylinders... | 10/08/1985 |
| 4531679 | Electromagnetically-operable fluid injection A single-point fuel injection system including an electromagnetically-operable ball valve injector. The injector comprises a hollow body which is surrounded by an annular gallery through which fuel is circulated under pressure continuously. Inlet ports ar... | 07/30/1985 |
| 4530334 | Air flow metering A single point fuel injection air/fuel metering device comprises a tubular housing with a flap pivotally mounted therein upstream of a throttle valve. The flap is dynamically balanced about its pivot axis, which is offset from the axis of the tubular hous... | 07/23/1985 |
| 4513728 | Air/fuel induction system for spark ignition internal combustion engines, and electromagnetic valves A motor vehicle fuel system operable selectively to supply metered quantities of petrol or LPG in its gaseous state to a carburetter induction passage. The LPG system includes a single stage pressure regulator and an injection valve which may be a digital... | 04/30/1985 |
| 4427608 | Automatic cold starter devices for spark ignition internal combustion engines An automatic cold start fuel supply device for use with constant depression carburetters having a damped air valve, comprises a fuel metering needle movable with engine temperature by a bimetallic element which acts on it indirectly via a rotary member. A... | 01/24/1984 |
