Gongwer; Calvin A
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gongwer; Calvin A.The latest application filed is for "jet propulsion device".
- Gongwer; Calvin A - Glendora CA
- GONGWER; Calvin A. - Glendora CA
| Patent | Date |
|---|---|
| Jet propulsion device Grant 8,092,265 - Gongwer January 10, 2 | 2012-01-10 |
| Jet Propulsion Device App 20100330854 - GONGWER; Calvin A. | 2010-12-30 |
| Safe efficient outboard motor assembly Grant 7,445,532 - Gongwer November 4, 2 | 2008-11-04 |
| Safe Efficient Outboard Motor Assembly App 20070249242 - GONGWER; Calvin A. | 2007-10-25 |
| Safe efficient outboard motor assembly Grant 7,264,519 - Gongwer September 4, 2 | 2007-09-04 |
| Safe efficient outboard motor assembly App 20060258232 - Gongwer; Calvin A. | 2006-11-16 |
| Screen system for marine thrusters Grant 6,152,793 - Gongwer November 28, 2 | 2000-11-28 |
| Rotating shaft seal Grant 5,666,012 - Gongwer September 9, 1 | 1997-09-09 |
| Ortho skew propeller blade Grant 5,275,535 - Gongwer January 4, 1 | 1994-01-04 |
| Watercraft propulsion system Grant 5,176,094 - Gongwer January 5, 1 | 1993-01-05 |
| Exercise method Grant 4,925,185 - Gongwer , et al. May 15, 1 | 1990-05-15 |
| Exercise pole with cross members Grant 4,834,364 - Gongwer , et al. May 30, 1 | 1989-05-30 |
| Bridle configuration for towed underwater vehicle Grant 4,709,358 - Appling , et al. November 24, 1 | 1987-11-24 |
| Rotary drive sprinkler Grant 4,681,259 - Troup, deceased , et al. July 21, 1 | 1987-07-21 |
| Self propelled spherical vehicle Grant 4,571,192 - Gongwer * February 18, 1 | 1986-02-18 |
| Spherical vehicle for operation in a fluid medium Grant 4,377,982 - Gongwer March 29, 1 | 1983-03-29 |
| Turbomachinery and method of operation Grant 4,213,736 - Gongwer * July 22, 1 | 1980-07-22 |
| Method of and device for propulsion Grant 4,178,128 - Gongwer December 11, 1 | 1979-12-11 |
| Hydrodynamic configuration for towed submersible body Grant 4,173,195 - Gongwer November 6, 1 | 1979-11-06 |
| Hydraulic thruster Grant 4,055,947 - Gongwer November 1, 1 | 1977-11-01 |
| Swimmer Propulsion Device Grant 3,802,008 - Gongwer April 9, 1 | 1974-04-09 |
| Hydrodynamic Stabilizing Device Grant 3,793,623 - Gongwer February 19, 1 | 1974-02-19 |
| Streamline Swim Mask Grant 3,653,086 - Gongwer April 4, 1 | 1972-04-04 |
| Chemically Fueled Heater Grant 3,563,226 - Rockenfeller , et al. February 16, 1 | 1971-02-16 |
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