Assignee
HENDERSON TOM
4 granted patents·2 pending applications·60 citations·filing 1984–2008
Top patents by PatentIndex Score
6 records- 0166US4951743AEnvironmental leakage protector for recirocating rod fluid displacement arrangementsHENDERSON TOM·Filed 1989·Granted Aug 28, 1990·26 cites·17 claims
- 0261US4745969AIn-casing hydraulic jack systemHENDERSON TOM·Filed 1987·Granted May 24, 1988·21 cites·20 claims
- 0353US2009184467A1Board game with laterally movable piecesHENDERSON TOM·Filed 2008·Application pending·0 cites
- 0440US2010064847A1Fabricated crankshaft using roller bearingsHENDERSON TOM·Filed 2008·Application pending·0 cites
- 0536US4653383AOil well sub-surface pump stroke extenderHENDERSON TOM·Filed 1984·Granted Mar 31, 1987·6 cites·14 claims
- 0632US5343884ASelf-closing gate valve system and external self-closing actuator mechanism thereforHENDERSON TOM·Filed 1993·Granted Sep 6, 1994·7 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →