Assignee

BELDEN & BLAKE CORP

US·2 granted patents·207 citations·filing 1991–1994

Technology mixE21B2 F04B2

Top patents by PatentIndex Score

2 records

0189US5253713AGas and oil well interface tool and intelligent controllerBELDEN & BLAKE CORP·Filed 1991·Granted Oct 19, 1993·178 cites·39 claims
0265US5462115AGas and oil well swabBELDEN & BLAKE CORP·Filed 1994·Granted Oct 31, 1995·29 cites·17 claims

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