Lloyd Ewing

Person

Milwaukee, WI, US

People

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
Apparatus for in place gas cleaning of diffusion elements
- Patent number 5,328,601
- Issue date Jul 12, 1994
- Water Pollution Control Corporation
- Frank L. Schmidt
- 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
Information Patent Grant
Diffusion element with boundary zone treatment
- Patent number 4,288,395
- Issue date Sep 8, 1981
- Water Pollution Control Corporation
- Lloyd Ewing
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Diffusion element with boundary zone treatment
- Patent number 4,261,932
- Issue date Apr 14, 1981
- Water Pollution Control Corporation
- Lloyd Ewing
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Diffusion element
- Patent number 4,261,933
- Issue date Apr 14, 1981
- Water Pollution Control Corporation
- Lloyd Ewing
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Microscreen method and apparatus
- Patent number 4,198,299
- Issue date Apr 15, 1980
- Water Pollution Control Corporation
- Lloyd Ewing
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Phosphorus removal from waste water
- Patent number 4,029,575
- Issue date Jun 14, 1977
- Ewing Engineering Company
- Michael J. Bykowski
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Push-type coupling and conduit pipe assembly
- Patent number 4,023,834
- Issue date May 17, 1977
- Ewing Engineering Company
- Lloyd Ewing
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Conformable thin-wall shear-resistant coupling and pipe assembly
- Patent number 4,023,835
- Issue date May 17, 1977
- Ewing Engineering Company
- Lloyd Ewing
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Filtration method
- Patent number 3,979,289
- Issue date Sep 7, 1976
- Water Pollution Control Corporation
- Michael J. Bykowski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Lloyd Ewing

Person

Patents Grantslast 30 patents

Liquid treatment process with in-plant pressure monitoring of subme...

Aeration system apparatus with source of in situ cleaning agent and...

Apparatus for in place gas cleaning of diffusion elements

In place gas cleaning of diffusion elements

In place gas cleaning of diffusion elements

Sewage aeration system

Diffusion element with boundary zone treatment

Diffusion element with boundary zone treatment

Diffusion element

Microscreen method and apparatus

Phosphorus removal from waste water

Push-type coupling and conduit pipe assembly

Conformable thin-wall shear-resistant coupling and pipe assembly

Filtration method