Groth; Hugh F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Groth; Hugh F..The latest application filed is for "multi-function heat exchanger".
- Groth; Hugh F. - Richfield OH
- Groth; Hugh F. - Brecksville OH
| Patent | Date |
|---|---|
| Multi-function heat exchanger Grant 7,623,772 - Stumphauzer , et al. November 24, 2 | 2009-11-24 |
| Multi-function Heat Exchanger App 20070166018 - Stumphauzer; William C. ; et al. | 2007-07-19 |
| Multi-function heat exchanger Grant 7,221,859 - Stumphauzer , et al. May 22, 2 | 2007-05-22 |
| Multi-function heat exchanger App 20060115247 - Stumphauzer; William C. ; et al. | 2006-06-01 |
| Automatic drain valve with pneumatic actuation App 20010032669 - Stumphauzer, William C. ; et al. | 2001-10-25 |
| Key duplicating machine with bottom clearance Grant 5,660,509 - Cole , et al. August 26, 1 | 1997-08-26 |
| Laterally adjustable armrest for a chair Grant 5,651,586 - Groth July 29, 1 | 1997-07-29 |
| Gas generator attachment Grant 5,549,037 - Stumphauzer , et al. August 27, 1 | 1996-08-27 |
| Dispenser cap Grant D369,747 - Groth , et al. May 14, 1 | 1996-05-14 |
| Process and apparatus for rapidly carbonating a liquid beverage using a single pressure vessel Grant 5,460,846 - Stumphauzer , et al. October 24, 1 | 1995-10-24 |
| Process and apparatus for rapidly carbonating a liquid beverage Grant 5,260,081 - Stumphauzer , et al. November 9, 1 | 1993-11-09 |
| Venturi spray nozzle for a cleaning device Grant 4,712,740 - Duncan , et al. December 15, 1 | 1987-12-15 |
| Adjustable computer work table Grant 4,637,322 - Hampshire , et al. January 20, 1 | 1987-01-20 |
| Fold down wheels for carpet cleaner Grant D286,456 - Groth October 28, 1 | 1986-10-28 |
| Mixing control for water and cleaning fluid Grant 4,575,007 - Groth , et al. March 11, 1 | 1986-03-11 |
| Liquid and detergent mixing chamber and valves Grant 4,570,856 - Groth , et al. February 18, 1 | 1986-02-18 |
| Air-liquid separator for cleaning devices Grant 4,559,666 - Duncan , et al. December 24, 1 | 1985-12-24 |
| Spotting control and trigger assembly Grant 4,558,823 - Groth December 17, 1 | 1985-12-17 |
| Tank unit for cleaning devices Grant 4,558,484 - Groth December 17, 1 | 1985-12-17 |
| Portable paint sprayer Grant 4,392,614 - Groth , et al. July 12, 1 | 1983-07-12 |
| Liquid power driven coating apparatus Grant 4,231,668 - Groth , et al. November 4, 1 | 1980-11-04 |
| Lift assembly for transit vehicles Grant 4,180,366 - Roth , et al. December 25, 1 | 1979-12-25 |
| Portable corn popper Grant 4,178,843 - Crabtree , et al. December 18, 1 | 1979-12-18 |
| Electric gun for dispensing of comestibles Grant 3,984,033 - Groth , et al. October 5, 1 | 1976-10-05 |
| Foldable And Adjustable Crib Grant 3,789,439 - Berg , et al. February 5, 1 | 1974-02-05 |
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