on solid frames with surface grooves and the like

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Patents Grantslast 30 patents

Information Patent Grant
Flat membrane support plate
- Patent number 11,760,669
- Issue date Sep 19, 2023
- GO HIGHER ENVIRONMENT GROUP CO., LTD.
- Futai Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Enhanced liquid filter bag
- Patent number 10,661,203
- Issue date May 26, 2020
- Fred Geyer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
3551096
- Patent number 3,551,096
- Issue date Dec 29, 1970
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3551091
- Patent number 3,551,091
- Issue date Dec 29, 1970
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3371793
- Patent number 3,371,793
- Issue date Mar 5, 1968
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
2789699
- Patent number 2,789,699
- Issue date Apr 23, 1957
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
2732950
- Patent number 2,732,950
- Issue date Jan 31, 1956
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
1685775
- Patent number 1,685,775
- Issue date Oct 2, 1928
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL