Individual holder
HARTMAN THOMAS A
US·9 granted patents·3 pending applications·136 citations·filing 1983–2018
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
12 records- 0186US4579477APin-key assemblyHARTMAN THOMAS A·Filed 1983·Granted Apr 1, 1986·28 cites·15 claims
- 0283US5116252AIn-line sleeve valve having velocity guide pressure equalization and drive assembly with improved drive pin mountingsHARTMAN THOMAS A·Filed 1991·Granted May 26, 1992·48 cites·11 claims
- 0380US4825906AAngle pattern control valveHARTMAN THOMAS A·Filed 1988·Granted May 2, 1989·37 cites·41 claims
- 0473US10184567B2Spring ring valve seat and butterfly valve with spring ring valve seatHARTMAN THOMAS A·Filed 2016·Granted Jan 22, 2019·2 cites·8 claims
- 0564US7887025B2Ball valve housing seat and method of securing the same to a ball valveHARTMAN THOMAS A·Filed 2007·Granted Feb 15, 2011·3 cites·13 claims
- 0664US7708024B2Fixed cone sleeve valve having ribs downstream of the gate for supporting the cone and other components of the valveHARTMAN THOMAS A·Filed 2008·Granted May 4, 2010·3 cites·18 claims
- 0764US4576504AElastically conformable tapered pin-keyHARTMAN THOMAS A·Filed 1985·Granted Mar 18, 1986·15 cites·19 claims
- 0852US10794515B2Valve or pipe discharge with velocity reduction discharge plateHARTMAN THOMAS A·Filed 2018·Granted Oct 6, 2020·0 cites·20 claims
- 0951US2015008352A1Valve with trunnions and method of assembling the sameHARTMAN THOMAS A·Filed 2013·Application pending·0 cites
- 1051US2015008351A1Ball valve and method of assembling the sameHARTMAN THOMAS A·Filed 2013·Application pending·0 cites
- 1148US2015377366A1Ball Valve and Method of Operating the SameHARTMAN THOMAS A·Filed 2014·Application pending·0 cites
- 1244US10337648B2Fixed cone sleeve valve with finger extensions on sleeve gate for cavitation suppressionHARTMAN THOMAS A·Filed 2017·Granted Jul 2, 2019·0 cites·19 claims
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