Assignee
PROVACON INC
US·6 granted patents·137 citations·filing 1995–2000
Top patents by PatentIndex Score
6 records- 0179US6390119B1Manway cover systemPROVACON INC·Filed 2000·Granted May 21, 2002·24 cites·13 claims
- 0277US6227223B1Valve and actuator in combinationPROVACON INC·Filed 1999·Granted May 8, 2001·37 cites·12 claims
- 0371US5924672AValve and actuator in combinationPROVACON INC·Filed 1997·Granted Jul 20, 1999·34 cites·20 claims
- 0467US5673897AValve/actuator combinationPROVACON INC·Filed 1995·Granted Oct 7, 1997·29 cites·10 claims
- 0540US6053200AProcess instrument isolation valvePROVACON INC·Filed 1998·Granted Apr 25, 2000·10 cites·8 claims
- 0630US5762088AMethod and apparatus for gauging clearance on a tanker railcar checkvalvePROVACON INC·Filed 1995·Granted Jun 9, 1998·3 cites·11 claims
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