Inventor · disambiguated record
Jack A. Henning
Also filed as: HENNING JACK · HENNING JACK A
2 granted patents·1 pending application·112 citations·filing 1976–2014
68Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0183US4007790ABack-off apparatus and method for retrieving pipe from wellsHENNING JACK A·Filed 1976·Granted Feb 15, 1977·83 cites·18 claims
- 0261US4042019AWireline actuated tubing cutterHENNING JACK A·Filed 1976·Granted Aug 16, 1977·29 cites·6 claims
- 0337US2015060048A1Wireline guide toolFESCO LTD·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →