Frank L. Schmit

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Port Washington, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Liquid treatment process with in-plant pressure monitoring of subme...
- Patent number 6,475,395
- Issue date Nov 5, 2002
- ITT Manufacturing Enterprises Inc.
- Frank L. Schmit
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aeration system apparatus with source of in situ cleaning agent and...
- Patent number 6,200,468
- Issue date Mar 13, 2001
- Sanitaire Corporation
- Frank L. Schmit
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
In place gas cleaning of diffusion elements
- Patent number RE33177
- Issue date Mar 6, 1990
- Water Pollution Control Corporation
- Frank L. Schmit
- 210 - Liquid purification or separation
Information Patent Grant
In place gas cleaning of diffusion elements
- Patent number 4,889,620
- Issue date Dec 26, 1989
- Water Pollution Control Corporation
- Frank L. Schmit
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sewage aeration system
- Patent number 4,288,394
- Issue date Sep 8, 1981
- Water Pollution Control Corp.
- Lloyd Ewing
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE