Lew T. Gray

Person

Bartlesville, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Settling pond separation using permeable fabric and weighting
- Patent number 4,752,402
- Issue date Jun 21, 1988
- Phillips Petroleum Company
- Lew T. Gray
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for separation of liquids and solids using fabrics
- Patent number 4,749,479
- Issue date Jun 7, 1988
- Phillips Petroleum Company
- Lew T. Gray
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for covering a pipeline
- Patent number 4,334,801
- Issue date Jun 15, 1982
- Phillips Petroleum Company
- Lew T. Gray
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Asphalt and rubber comprising composition
- Patent number 4,158,371
- Issue date Jun 19, 1979
- Phillips Petroleum Company
- Robert E. Reusser
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Asphalt and rubber comprising composition
- Patent number 4,115,335
- Issue date Sep 19, 1978
- Phillips Petroleum Company
- Robert E. Reusser
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Stabilizing open graded asphalt-concrete
- Patent number 4,002,412
- Issue date Jan 11, 1977
- Phillips Petroleum Company
- Richard J. Bennett
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Liner for reservoir of layered liquids
- Patent number 3,949,113
- Issue date Apr 6, 1976
- Phillips Petroleum Company
- Homer L. Draper
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Lew T. Gray

Person

Patents Grantslast 30 patents

Settling pond separation using permeable fabric and weighting

Apparatus for separation of liquids and solids using fabrics

Method and apparatus for covering a pipeline

Asphalt and rubber comprising composition

Asphalt and rubber comprising composition

Stabilizing open graded asphalt-concrete

Liner for reservoir of layered liquids