Inventor

TASSON PAUL L

US6 patents

⚠️ This page may combine multiple inventors who share the name “TASSON PAUL L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VARCO SHAFFER INC

2 patents

US5662171ASep 2, 1997

Rotating blowout preventer and method

VARCO SHAFFER INC129 citations97

US5588491ADec 31, 1996

Rotating blowout preventer and method

VARCO SHAFFER INC135 citations97

COOPER CAMERON CORP

1 patent

US6719262B2Apr 13, 2004

Bidirectional sealing blowout preventer

COOPER CAMERON CORP38 citations90

BAROID TECHNOLOGY INC

1 patent

US5158264AOct 27, 1992

Parallel expanding gate valve

BAROID TECHNOLOGY INC22 citations90

BRUGMAN JAMES D

1 patent

USRE38249ESep 16, 2003

Rotating blowout preventer and method

BRUGMAN JAMES D38 citations89

CAMERON INT CORP

1 patent

US9068402B2Jun 30, 2015

Drilling mud recovery system

CAMERON INT CORP1 citations46