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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7128540 | Refrigeration system having a rotary compressor There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises a cylinder constituting a rotary compression element, a roller engag... | 10/31/2006 |
| 6378504 | Reduced vibration fuel supply systems A fuel supply system includes a fuel pump 2 and a housing 1 that are disposed within a fuel tank 6. A damping material 50 is disposed on an upper end portion of a sidewall of the housing 1. The damping material 50 reduces the transmission of vibrations ge... | 04/30/2002 |
| 6206661 | Hermetic compressor A hermetic compressor includes a compressor mechanism section 40 which includes first and second rotary cylinders 41a and 41b, and first and second pistons 42a and 42b eccentrically rotated in first and second grooves 42a and 43b in the first and second r... | 03/27/2001 |
| 6102677 | Hermetic compressor A hermetic compressor according to the present invention uses a compressing mechanism which includes a rotary cylinder having a groove, and a piston slidable in the groove, so that the piston is rotated on a locus of a radius E about a position spaced apa... | 08/15/2000 |
| 5080563 | Fuel pumping apparatus A fuel pumping apparatus of the rotary distributor type includes a main pumping plunger and an auxiliary plunger operable at the same time by a cam. During inward movement fuel is displaced by the pumping plunger to an outlet. The auxiliary plunger displa... | 01/14/1992 |
| 5046931 | Radial gear driven piston pump The radial gear driven piston pump (10) comprises a stationary pintle or pin (40) having a rotatable rotor (30) mounted thereon. The rotor (30) and pintle (40) are disposed within a pumping bore (18) that is eccentrically aligned relative to bore extensio... | 09/10/1991 |
| 4846631 | Gearbox for a rotary, mineral cutting head A gearbox for a rotary, mineral cutting head, comprises a casing housing speed reduction gearing and also a portion of a drive shaft supported by first and second, spaced-apart bearings, with at least one radially extending cylinder having a closed inner ... | 07/11/1989 |
