Thomas W. Evans

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Slotted scallop-shaped underdrain screened lateral elements
- Patent number 5,118,419
- Issue date Jun 2, 1992
- Johnson Filtration Systems Inc.
- Thomas W. Evans
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Slotted screen scallops for high loading pressures and method of ma...
- Patent number 5,015,383
- Issue date May 14, 1991
- Johnson Filtration Systems Inc.
- Thomas W. Evans
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Combination flow distribution and collection apparatus
- Patent number 4,013,556
- Issue date Mar 22, 1977
- UOP Inc.
- Thomas W. Evans
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL