The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6669453 | Pump assembly useful in internal combustion engines A pump assembly for mounting a high-pressure oil pump on an internal combustion engine where the pump in the assembly is mounted in a closed chamber and a solenoid controlled valve is mounted outside of the chamber.... | 12/30/2003 |
| 6409484 | Oil supply unit of linear compressor An oil supply unit of a linear compressor including: a well-closed container filled with oil; a frame installed within the well-closed container; a cylinder fixed at the frame; a piston inserted, in the cylinder and being linearly and reciprocally moved b... | 06/25/2002 |
| 6244387 | Lubricant supply device A lubricant supply device having a housing defining a reservoir for holding a supply of lubricant, a pump in the housing, and a lubricant distributor having a sealing connection with the housing. The distributor has an inlet for entry of lubricant into th... | 06/12/2001 |
| 6220393 | Oil supply apparatus for linear compressor An oil supply apparatus for a linear compressor reduces the number of valves which control oil suction and discharge, thereby enabling fabrication and assembly of an apparatus and supplying an oil of an adequate amount to friction areas of driving element... | 04/24/2001 |
| 6089352 | Oil supply apparatus for linear compressor The present invention relates to an oil supply apparatus for a linear compressor in which elastic members are excluded, wherein oil contained in an oil supply unit is exhausted by inertia and flowed into an oil pocket which communicates with a friction po... | 07/18/2000 |
| 6021867 | Air compressor bearing lubrication Apparatus for lubricating components in an air compressor having a crankcase for holding oil. The apparatus includes an oil pump located in the crankcase and oil, and a hollow plunger mechanically and hydraulically connected between the oil pump and an ec... | 02/08/2000 |
| 5941346 | Lubricant structure of closed-type transmission compressor A closed-type transmission compressor comprises an upper shell having a compressing unit and a lower shell having a transmission unit. The transmission unit includes a stator which generates magnetic power, a rotor rotated by the magnetic power of the sta... | 08/24/1999 |
| 5575354 | Calibrated engine lubricant dispenser A calibrated engine lubricant dispenser has a lubricant reservoir, which houses the engine lubricant where the lubricant is stored for dispensing. An existing engine fuel container is aligned with the dispenser. When the user activates the dispensing, a c... | 11/19/1996 |
| 5165502 | One-main pipe type centralized lubrication apparatus A one-main pipe type centralized lubrication apparatus having a pump device, one main oil feed pipe and a plurality of distributors, wherein the pump device is provided with a depressurization passage for opening a discharge passage connected to the main ... | 11/24/1992 |
| 5004073 | Automatic lubrication device for mechanical actuation systems Periodic lubrication of mechanical actuation systems may be avoided in a self-lubricating mechanism for such a system that includes a bidirectional rotary shaft (22), a housing (10), and a one-way clutch (90, 92) having an output element (92) moved in res... | 04/02/1991 |
| 4489809 | Railroad track deflection activated grease pump A grease pump for railroad tracks operable by vertical deflections of the rail caused by the weight of the train as the train wheels pass over the track. The pump comprises a housing anchored to the ground and connected to a grease source. Pump operating ... | 12/25/1984 |
| 4165207 | Actuation device for a tachometer for an engine An actuation device for a tachometer adapted to transmit the revolutions of an engine crankshaft to the tachometer, wherein the oil pump of the engine is utilized as a speed reducing mechanism for transmitting the revolutions of the engine crankshaft to t... | 08/21/1979 |
| 4016956 | Apparatus for lubricating saw chains in guide bars An apparatus for lubricating a chain saw mounted on the guide rail of a guide bar comprises a lubrication system for feeding a lubricant through a conduit in the guide bar to the saw chain while the guide bar is in the operating down position and the lubr... | 04/12/1977 |
| 3938622 | Chain saw oil pump with overload protection Disclosed herein is a chain saw oil pump comprising an engine supported by a suitable frame, a pumping chamber defined by the frame and including an inlet and an outlet, a pumping member reciprocal and rotatable in said pumping chamber relative to the inl... | 02/17/1976 |