Assignee
BURKIT JOHN W
US·5 granted patents·132 citations·filing 1989–1992
Top patents by PatentIndex Score
5 records- 0188US4927189AInternal expansion coupling deviceBURKIT JOHN W·Filed 1989·Granted May 22, 1990·60 cites·10 claims
- 0253US5092633APipe coupler with thrust restraintBURKIT JOHN W·Filed 1991·Granted Mar 3, 1992·17 cites·9 claims
- 0353US5002317AInternal expansion coupling deviceBURKIT JOHN W·Filed 1990·Granted Mar 26, 1991·22 cites·10 claims
- 0449US4997212AInternal expansion pipe coupling memberBURKIT JOHN W·Filed 1990·Granted Mar 5, 1991·16 cites·7 claims
- 0547US5201550APipe coupling system with thrust restraintBURKIT JOHN W·Filed 1992·Granted Apr 13, 1993·17 cites·15 claims
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