Assignee

DELANGE RICHARD W

US·2 granted patents·82 citations·filing 1983–2010

Technology mixE21B1 F16L1

Top patents by PatentIndex Score

2 records

0191US4538840AConnector means for use on oil and gas well tubing or the likeDELANGE RICHARD W·Filed 1983·Granted Sep 3, 1985·80 cites·14 claims
0262US8714243B2Methods and apparatus relating to expansion tools for tubular stringsDELANGE RICHARD W·Filed 2010·Granted May 6, 2014·2 cites·10 claims

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