James E. Williams

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Richardson, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Piston sealing mechanism for liquid additive injection pump
- Patent number 7,131,454
- Issue date Nov 7, 2006
- Dosmatic, U.S.A. Inc.
- Frank A. Walton
- G05 - CONTROLLING REGULATING
Information Patent Grant
Backwash flushing filter
- Patent number 7,032,760
- Issue date Apr 25, 2006
- Dosmatic USA, Inc.
- Frank A. Walton
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Backwash flushing filter
- Patent number 7,000,782
- Issue date Feb 21, 2006
- Dosmatic USA, Inc.
- Frank A. Walton
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
On/off switch for liquid additive injection pump
- Patent number 6,910,405
- Issue date Jun 28, 2005
- Dosmatic USA, Inc.
- Frank A. Walton
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Replaceable seal having a friction fit
- Patent number 6,254,366
- Issue date Jul 3, 2001
- Dosmatic USA, Inc.
- Frank A. Walton
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Backwash flushing filter
- Publication number 20050121401
- Publication date Jun 9, 2005
- Frank A. Walton
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Backwash flushing filter
- Publication number 20050121382
- Publication date Jun 9, 2005
- Frank A. Walton
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
On/off switch for liquid additive injection pump
- Publication number 20050005764
- Publication date Jan 13, 2005
- Frank A. Walton
- G05 - CONTROLLING REGULATING
Information Patent Application
Piston sealing mechanism for liquid additive injection pump
- Publication number 20040226605
- Publication date Nov 18, 2004
- Frank A. Walton
- G05 - CONTROLLING REGULATING