Assignee
BIRCH PETER
GB·3 granted patents·1 citations·filing 2010–2012
Top patents by PatentIndex Score
3 records- 0160US9017040B2Roughing pump method for a positive displacement pumpBIRCH PETER·Filed 2010·Granted Apr 28, 2015·1 cites·23 claims
- 0251US9476423B2Roots pump connection channels separating adjacent pump stagesBIRCH PETER·Filed 2012·Granted Oct 25, 2016·0 cites·10 claims
- 0343US8602759B2Screw-type vacuum pump having overpressure openingsBIRCH PETER·Filed 2010·Granted Dec 10, 2013·0 cites·14 claims
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