Assignee
ANDERSON EDWIN A
5 granted patents·162 citations·filing 1975–1987
Top patents by PatentIndex Score
5 records- 0182US4552230ADrill string shock absorberANDERSON EDWIN A·Filed 1984·Granted Nov 12, 1985·63 cites·18 claims
- 0274US3998443AMultidirectional shock absorbing deviceANDERSON EDWIN A·Filed 1975·Granted Dec 21, 1976·36 cites·18 claims
- 0366US4846273AJar mechanism acceleratorANDERSON EDWIN A·Filed 1987·Granted Jul 11, 1989·38 cites·48 claims
- 0445US3963081ADouble acting mechanical jarANDERSON EDWIN A·Filed 1975·Granted Jun 15, 1976·13 cites·19 claims
- 0544US4647085ASealing arrangement for pin and box threaded connection of tubular membersANDERSON EDWIN A·Filed 1985·Granted Mar 3, 1987·12 cites·12 claims
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