with backwash shoes; with nozzles

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Patents Grantslast 30 patents

Information Patent Grant
Servo-controlled backwash filter system
- Patent number 9,675,916
- Issue date Jun 13, 2017
- Eaton Corporation
- Michael Roland Clements
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Self-cleaning filter
- Patent number 4,725,292
- Issue date Feb 16, 1988
- Pneumafil Corporation
- Roger D. Williams
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Circulating water filtering system and method of operation
- Patent number 4,556,486
- Issue date Dec 3, 1985
- Lesley Merket
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
3780868
- Patent number 3,780,868
- Issue date Dec 25, 1973
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
1977601
- Patent number 1,977,601
- Issue date Oct 16, 1934
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
1768314
- Patent number 1,768,314
- Issue date Jun 24, 1930
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL