Philip E. Albertson

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Perry, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple pipe installation backfilling, and compaction attachment
- Patent number 4,981,396
- Issue date Jan 1, 1991
- The Charles Machine Works, Inc.
- Philip E. Albertson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Radial diaphragm pump
- Patent number 4,963,075
- Issue date Oct 16, 1990
- The Charles Machine Works, Inc.
- Philip E. Albertson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Mobile machine for subterranean installation of piping and the like
- Patent number 4,475,604
- Issue date Oct 9, 1984
- The Charles Machine Works, Inc.
- Philip E. Albertson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING