Celebrity Inventors
Comic actor Danny Kaye received patent D166,807 for the co-design of "Blowout Toy or the Like". It's similar to one of those toys that unravels when you blow into at a birthday party except Kaye's has three blowouts going in different directions, not just one.
PatentStorm News
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 |
| 7713039 | Helical screw compressor having a vented sealing arrangement A helical screw compressor includes two rotors which are mounted in the rotor housing. The helical screw compressor includes sealing arrangements (11, 11′) for sealing the pressure-sided shaft journals of the rotors. Each sealing arrangement includes a plur... | 05/11/2010 |
| 7153093 | Vacuum pump A vacuum pump (10) comprises at least one rotor shaft (12) having a rotor section (14) with a rotor (16), a bearing section (18) with a bearing (20), and a shaft sealing system (22) that is axially situated between th... | 12/26/2006 |
| 6964559 | Two shaft vacuum pump with cantilevered rotors A vacuum pump (1) comprising a pump chamber casing (5) accommodating two co-operating rotors (2, 3) which are respectively arranged on a shaft (8, 9). A bearing/gear chamber (6) is disposed adjacent to the pump chamber casing (5... | 11/15/2005 |
| 6416302 | Rotary helical screw-type compressor having a thermally separated oil supply container A screw compressor has a gear housing (1) from one side of which the rotor housing (3) containing the two screw rotors freely projecting outward. An oil supply container (7) is also located freely projecting out from the gear housing (1) approximately par... | 07/09/2002 |
| 6379135 | Vacuum pumps A compound vacuum pump includes a pump body divided by a partition into upper and lower chambers. A screw pump section occupies the lower chamber and a Roots-type pump section occupies the upper chamber. The Roots-type pump section comprises two rotors ea... | 04/30/2002 |
| 5836753 | Seal arrangement for engine-driven supercharger A seal arrangement for an engine-driven supercharger to prevent burning and abnormal wear of an rubber-made oil seal fitted on a shaft of a rotor of the supercharger. The supercharger includes a housing, a rotor chamber is formed in the housing and the ro... | 11/17/1998 |
| 5348456 | Helical dry screw expander with sealing gas to the shaft seal system An improved helical dry screw expander particularly suited for cryogenic service and its use in a cryogenic rectification system. The improved helical dry screw expander is particularly advantageous in a cryogenic waste expansion cycle particularly for ni... | 09/20/1994 |
| 5304045 | Closed type motor-driven compressor, a scroll compressor and a scroll lap machining end mill A closed type motor-driven compressor includes a motor accommodated in a closed container and a compression mechanism connected through a crank shaft to the motor. A shielding member having a cylindrical portion substantially concentric with the axis of t... | 04/19/1994 |
| 5286179 | Thermal isolation arrangement for scroll fluid device A thermal isolation arrangement for use in a co-rotating scroll refrigerant compressor includes various thermal insulation elements adapted to minimize heat transfer between hot rotating members of the scroll fluid device and the return refrigerant to be ... | 02/15/1994 |
| 5011388 | Oil-free screw compressor apparatus An oil-free screw compressor prevents a filter for separating oil mist from a gear case exhaust gas from clogging due to increase pressure loss in the filter, thereby suppressing increasing of an gear case inner pressure and further ensuring a removing of... | 04/30/1991 |
| 4934908 | Vacuum pump systems A vacuum pump system comprising a first vacuum pump having at least one pumping chamber with port means for communication with an enclosure to be evacuated and having mechanical pumping means mounted on at least one shaft whose bearings and/or gears are c... | 06/19/1990 |
| 4657495 | Rotor-shaft bearing apparatus for rotary compressors Bearing apparatus for movable vane compressor is provided with a pressure-reducing passage extending from an annular clearance between the inner side surface of the bearing and the side surface of the rotor to the open air or the like, such as the suction... | 04/14/1987 |
| 4632650 | Vacuum pump having an evacuated gear chamber A vacuum pump includes an evacuation chamber, a gear chamber, a partition separating the evacuation chamber from the gear chamber, a rotary pump shaft extending through the partition and having one end connected to a vane arranged for rotation in the evac... | 12/30/1986 |
| 4569646 | Supercharger carry-over venting means An improved supercharger or blower (10) of the Roots-type with reduced airborne noise and improved efficiency. The blower includes a housing (12) defining generally cylindrical chambers (32, 34) containing meshed lobed rotors (14, 16) having the lobes (14... | 02/11/1986 |
| 4548560 | Seal system in rotary engine A seal system in a rotary engine includes apex seals held against an inner peripheral wall surface of a rotor housing, seal rings disposed between the apex seals and a side wall surface of the rotor housing, seal rings disposed between sliding plates moun... | 10/22/1985 |
| 4465442 | Rotary piston pump with pressure equalization chambers for the shaft split seals A rotary piston pump includes a casing and partitions within the casing defining an expansion chamber and with a gear and bearing chamber on one side of the expansion chamber and a bearing chamber on the other side. The partitions between the expansion ch... | 08/14/1984 |
| 4328824 | Flow divider with plural metering gears, unrestrained spacers there-between and lubricated end roller bearings A flow divider is described for accurately dividing and metering the flow of a common fluid, such as fuel oil, to a plurality of fluid outlets. The flow divider includes a plurality of metering gear sets rigidly fixed on two parallel common continuous sha... | 05/11/1982 |
| 4153395 | Compressors In screw compressors for fluids there is normally leakage of fluid axially through the rotor-shaft bearing assemblies at the high-pressure end of the casing housing the interacting rotors. To obviate or mitigate the resulting inefficiency in the operation... | 05/08/1979 |
