Assignee
CHAPMAN JR WALTER R
US·0 granted patents·3 pending applications·0 citations·filing 2013–2019
Top patents by PatentIndex Score
3 records- 0145US2015107680A1Modulating check valveCHAPMAN JR WALTER R·Filed 2013·Application pending·0 cites
- 0244US2020248818A1Hemispherical Poppet Valve For Rotary Screw Compressor Intake ValvesCHAPMAN JR WALTER R·Filed 2019·Application pending·0 cites
- 0341US2019249791A1Back pressure valve having a reduced pressure drop required for fluid to pass through the valveCHAPMAN JR WALTER R·Filed 2018·Application pending·0 cites
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