Assignee
HOUSTON WELL SCREEN CO
4 granted patents·157 citations·filing 1977–1996
Top patents by PatentIndex Score
4 records- 0181US4314129AMethod and apparatus for making well screenHOUSTON WELL SCREEN CO·Filed 1979·Granted Feb 2, 1982·47 cites·7 claims
- 0270US4102395AProtected well screenHOUSTON WELL SCREEN CO·Filed 1977·Granted Jul 25, 1978·43 cites·2 claims
- 0360US5823260AWell screenHOUSTON WELL SCREEN CO·Filed 1996·Granted Oct 20, 1998·47 cites·4 claims
- 0435US5509483AMethod and apparatus for anchoring a well screen on a perforated mandrel of stainless steelHOUSTON WELL SCREEN CO·Filed 1994·Granted Apr 23, 1996·20 cites·7 claims
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