Inventor · disambiguated record
Peter Birch
Also filed as: BIRCH PETER · BIRCH PETER H · BIRCH PETER HUGH
16 granted patents·9 pending applications·470 citations·filing 1989–2025
94Inventor score
Top patents by PatentIndex Score
25 records- 0191US5220233ADynamoelectric machinesAISIN SEIKI·Filed 1989·Granted Jun 15, 1993·76 cites·10 claims
- 0290US5836739AGas turbine engineROLLS ROYCE PLC·Filed 1997·Granted Nov 17, 1998·57 cites·10 claims
- 0389US5635768AGas turbine engine driven auxiliary electric power unit with turbine speed controlled in response to generator output currentAISIN SEIKI·Filed 1995·Granted Jun 3, 1997·83 cites·5 claims
- 0487US5121610AAir cycle air conditioner for heating and coolingAISIN SEIKI·Filed 1990·Granted Jun 16, 1992·100 cites·8 claims
- 0579US8702407B2Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stageSCHOFIELD NIGEL PAUL·Filed 2011·Granted Apr 22, 2014·2 cites·19 claims
- 0679US8500422B2Vacuum pumpDOWDESWELL STEPHEN·Filed 2007·Granted Aug 6, 2013·8 cites·27 claims
- 0775US5606853AGaseous fuel compression and control system for gas turbine engineAISIN SEIKI·Filed 1995·Granted Mar 4, 1997·65 cites·7 claims
- 0871US11274668B2Vacuum pump having a silencerLEYBOLD GMBH·Filed 2017·Granted Mar 15, 2022·1 cites·9 claims
- 0969US5148670AGas turbine cogeneration apparatus for the production of domestic heat and powerAISIN SEIKI·Filed 1991·Granted Sep 22, 1992·40 cites·13 claims
- 1064US7214041B2Seal assembliesBOC GROUP PLC·Filed 2004·Granted May 8, 2007·9 cites·6 claims
- 1164US2022128055A1Vacuum pump having a silencerLEYBOLD GMBH·Filed 2022·Application pending·0 cites
- 1260US9017040B2Roughing pump method for a positive displacement pumpBIRCH PETER·Filed 2010·Granted Apr 28, 2015·1 cites·23 claims
- 1355US10851783B2Dry vacuum pump with pressurized bearing and sealLEYBOLD GMBH·Filed 2016·Granted Dec 1, 2020·0 cites·19 claims
- 1455US5261289AHigh reduction gear assembly with lubricationAISIN SEIKI·Filed 1992·Granted Nov 16, 1993·16 cites·3 claims
- 1553US6244841B1Vacuum pumpsBOC GROUP PLC·Filed 1998·Granted Jun 12, 2001·12 cites·6 claims
- 1653US2025187916A1System for ozone generation13482073 CANADA INC·Filed 2025·Application pending·0 cites
- 1751US9476423B2Roots pump connection channels separating adjacent pump stagesBIRCH PETER·Filed 2012·Granted Oct 25, 2016·0 cites·10 claims
- 1850US2024157014A1Method and system of controlling a non-homogeneous cohort of ozone gas generating devices13482073 CANADA INC·Filed 2024·Application pending·0 cites
- 1950US2010158728A1Vacuum pumpSCHOFIELD NIGEL PAUL·Filed 2006·Application pending·0 cites
- 2045US2023293756A1Method and system for confirmation of viral safety status13482073 CANADA INC·Filed 2022·Application pending·0 cites
- 2145US2023293753A1Method and system of controlling a cohort of ozone gas generating devices13482073 CANADA INC·Filed 2022·Application pending·0 cites
- 2244US2009214368A1Vacuum PumpSCHOFIELD NIGEL PAUL·Filed 2006·Application pending·0 cites
- 2343US8602759B2Screw-type vacuum pump having overpressure openingsBIRCH PETER·Filed 2010·Granted Dec 10, 2013·0 cites·14 claims
- 2443US2009269231A1Method of Pumping GasEDWARDS LTD·Filed 2006·Application pending·0 cites
- 2543US2022047749A1Food processing and/or packaging device and method for cleaning such deviceLEYBOLD GMBH·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Peter Birch files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →