Walton; Frank A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walton; Frank A..The latest application filed is for "automated switch for liquid additive injection pump".
- Walton; Frank A. - Ft. Worth TX
- Walton; Frank A. - Fort Worth TX
- Walton; Frank A. - Argyle TX
- Walton; Frank A. - Lewisville TX
- Walton; Frank A. - Dallas TX
| Patent | Date |
|---|---|
| Filter Grant D644,713 - Walton , et al. September 6, 2 | 2011-09-06 |
| Automated Switch For Liquid Additive Injection Pump App 20100051716 - Walton; Frank A. | 2010-03-04 |
| On-off plunger Grant D603,427 - Walton , et al. November 3, 2 | 2009-11-03 |
| Dosage piston retention clip Grant D603,435 - Walton , et al. November 3, 2 | 2009-11-03 |
| Piston assembly Grant D602,512 - Walton , et al. October 20, 2 | 2009-10-20 |
| Liquid additive injection pump with mixing chamber and one way valve Grant 7,438,537 - Walton October 21, 2 | 2008-10-21 |
| Self sealing piston ring Grant D573,620 - Walton July 22, 2 | 2008-07-22 |
| Piston sealing mechanism for liquid additive injection pump Grant 7,131,454 - Walton , et al. November 7, 2 | 2006-11-07 |
| Liquid additive injection pump with mixing chamber and one way valve App 20060204376 - Walton; Frank A. | 2006-09-14 |
| One way valve gasket Grant D525,685 - Walton July 25, 2 | 2006-07-25 |
| Backwash flushing filter Grant 7,032,760 - Walton , et al. April 25, 2 | 2006-04-25 |
| Backwash flushing filter Grant 7,000,782 - Walton , et al. February 21, 2 | 2006-02-21 |
| On/off switch for liquid additive injection pump Grant 6,910,405 - Walton , et al. June 28, 2 | 2005-06-28 |
| Backwash flushing filter App 20050121382 - Walton, Frank A. ; et al. | 2005-06-09 |
| Backwash flushing filter App 20050121401 - Walton, Frank A. ; et al. | 2005-06-09 |
| On/off switch for liquid additive injection pump App 20050005764 - Walton, Frank A. ; et al. | 2005-01-13 |
| Piston sealing mechanism for liquid additive injection pump App 20040226605 - Walton, Frank A. ; et al. | 2004-11-18 |
| Pumping system for the injection of measured quantities of fluid into a fluid stream Grant 6,357,466 - Walton , et al. March 19, 2 | 2002-03-19 |
| Pumping system for the injection of measured quantities of fluid into a fluid stream App 20020017320 - Walton, Frank A. ; et al. | 2002-02-14 |
| Direct action fluid motor and injection pump Grant 5,513,963 - Walton May 7, 1 | 1996-05-07 |
| Liquid injection apparatus having an external adjustor Grant 4,809,731 - Walton , et al. March 7, 1 | 1989-03-07 |
| Apparatus for injecting measured quantities of liquid into a fluid stream Grant 4,558,715 - Walton , et al. December 17, 1 | 1985-12-17 |
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