Leland L. Parker

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Corona, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Filtering apparatus with improved quick-opening backwash valve
- Patent number 5,906,751
- Issue date May 25, 1999
- Leland L. Parker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Water pressure regulator and method for regulating pressure through...
- Patent number 5,396,918
- Issue date Mar 14, 1995
- Agricultural Products, Inc.
- Leland L. Parker
- G05 - CONTROLLING REGULATING
Information Patent Grant
Filtering apparatus and quick-opening backwash valve therefor
- Patent number 4,055,500
- Issue date Oct 25, 1977
- Leland L. Parker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Structure incorporating a diaphragm and method of making same
- Patent number 3,999,266
- Issue date Dec 28, 1976
- Leland L. Parker
- G05 - CONTROLLING REGULATING