Inventor · disambiguated record
Brian M. Graichen
Also filed as: GRAICHEN BRIAN · GRAICHEN BRIAN M
74 granted patents·2 pending applications·282 citations·filing 2003–2021
99Inventor score
Top patents by PatentIndex Score
76 records- 0198US9915362B2Fluidic diode check valveHAMPTON KEITH·Filed 2017·Granted Mar 13, 2018·12 cites·16 claims
- 0297US9599234B1Sprung gate valveFLETCHER DAVID E·Filed 2015·Granted Mar 21, 2017·14 cites·19 claims
- 0396US11280414B2Plug valve hard seals on cylinder wallHANON SYSTEMS·Filed 2020·Granted Mar 22, 2022·4 cites·18 claims
- 0496US9827963B2Aspirators for producing vacuum using the Venturi effectFLETCHER DAVE·Filed 2014·Granted Nov 28, 2017·22 cites·20 claims
- 0595US9599246B2Magnetically actuated shut-off valveFLETCHER DAVID E·Filed 2015·Granted Mar 21, 2017·8 cites·8 claims
- 0694US10151283B2Evacuator with motive finGRAICHEN BRIAN M·Filed 2015·Granted Dec 11, 2018·10 cites·20 claims
- 0794US9534704B2Noise attenuation in a check valve unit or apparatus for producing vacuumHAMPTON KEITH·Filed 2014·Granted Jan 3, 2017·13 cites·21 claims
- 0892US11560952B2Variable cylinder wall for seals on plug valveHANON SYSTEMS·Filed 2021·Granted Jan 24, 2023·4 cites·13 claims
- 0992US10571030B2Valve gate within a Venturi gap of a Venturi device for producing vacuumHAMPTON KEITH·Filed 2017·Granted Feb 25, 2020·5 cites·19 claims
- 1092US9845899B2Sprung gate valves movable by an actuatorGRAICHEN BRIAN M·Filed 2014·Granted Dec 19, 2017·8 cites·16 claims
- 1191US10273978B2Low-cost evacuator for an engine having tuned Venturi gapsFLETCHER DAVID E·Filed 2015·Granted Apr 30, 2019·7 cites·35 claims
- 1291US10132424B2Variable flow valve having metered flow orificeGRAICHEN BRIAN M·Filed 2016·Granted Nov 20, 2018·4 cites·18 claims
- 1391US9574677B2Solenoid-powered gate valveDAYCO IP HOLDINGS LLC·Filed 2014·Granted Feb 21, 2017·10 cites·21 claims
- 1489US9238388B2Tire pressure maintenance apparatus and systemFLETCHER DAVID·Filed 2013·Granted Jan 19, 2016·7 cites·20 claims
- 1588US10443627B2Vacuum producing device having a suction passageway and a discharge passageway entering through the same wallFLETCHER DAVID E·Filed 2016·Granted Oct 15, 2019·3 cites·12 claims
- 1687US10100720B2Crankcase ventilating evacuatorFLETCHER DAVID E·Filed 2016·Granted Oct 16, 2018·3 cites·18 claims
- 1787US9919689B2Bypass valve in an apparatus for producing vacuumFLETCHER DAVID E·Filed 2017·Granted Mar 20, 2018·6 cites·17 claims
- 1887US9732871B2Aspirated relief valve for a turbocharging systemFLETCHER DAVID E·Filed 2015·Granted Aug 15, 2017·4 cites·17 claims
- 1986US10724550B2Venturi devices with dual Venturi flow pathsDAYCO IP HOLDINGS LLC·Filed 2018·Granted Jul 28, 2020·3 cites·14 claims
- 2085US10422351B2Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive sectionFLETCHER DAVID E·Filed 2016·Granted Sep 24, 2019·3 cites·16 claims
- 2185US9291094B2Variable flow valve having metered flow orificeGRAICHEN BRIAN M·Filed 2014·Granted Mar 22, 2016·5 cites·4 claims
- 2284US9841110B2Sprung gate valves movable by a solenoid actuatorFLETCHER DAVID E·Filed 2014·Granted Dec 12, 2017·6 cites·15 claims
- 2382US10513954B2Restrictors using the Venturi effectFLETCHER DAVID E·Filed 2016·Granted Dec 24, 2019·2 cites·22 claims
- 2482US10316864B2Devices for producing vacuum using the venturi effectFLETCHER DAVID E·Filed 2016·Granted Jun 11, 2019·3 cites·20 claims
- 2582USD821302SVenturi deviceFLETCHER DAVID E·Filed 2015·Granted Jun 26, 2018·14 cites·1 claims
- 2681US10221867B2Flow control for aspirators producing vacuum using the venturi effectHAMPTON KEITH·Filed 2014·Granted Mar 5, 2019·5 cites·11 claims
- 2781US9068535B2Variable flow valve for turbochargersGRAICHEN BRIAN·Filed 2013·Granted Jun 30, 2015·6 cites·14 claims
- 2880US10024458B2Bypass check valve and venturi devices having the sameNIEDERT ANDREW D·Filed 2015·Granted Jul 17, 2018·3 cites·25 claims
- 2979US10781828B2Centrifugal pump with noise dampening rubber isolation impeller bushingHANON SYSTEMS·Filed 2018·Granted Sep 22, 2020·3 cites·17 claims
- 3079US10167971B2Aspirated relief valve for a turbocharging systemFLETCHER DAVID E·Filed 2017·Granted Jan 1, 2019·2 cites·12 claims
- 3179US9879699B2Venturi devices with dual Venturi flow pathsFLETCHER DAVID E·Filed 2015·Granted Jan 30, 2018·2 cites·9 claims
- 3277US10107240B2Check valves and Venturi devices having the sameFLETCHER DAVID E·Filed 2016·Granted Oct 23, 2018·1 cites·22 claims
- 3376US10626888B2Dual Venturi deviceFLETCHER DAVID E·Filed 2015·Granted Apr 21, 2020·2 cites·23 claims
- 3476US10336305B2Aspirators for producing vacuum using the venturi effectFLETCHER DAVE·Filed 2017·Granted Jul 2, 2019·2 cites·16 claims
- 3575US9671034B2Piston actuator controlling a valve and method for operating the sameGRAICHEN BRIAN M·Filed 2014·Granted Jun 6, 2017·4 cites·21 claims
- 3674US9666349B2Magnetically actuated shut-off valveHAMPTON KEITH·Filed 2014·Granted May 30, 2017·2 cites·18 claims
- 3773US9447697B2Wastegate valve and turbocharger having sameMARKYVECH CRAIG·Filed 2013·Granted Sep 20, 2016·4 cites·18 claims
- 3873US9303548B2Diesel engine fluid coolant system having a solenoid-powered gate valveFLETCHER DAVE·Filed 2014·Granted Apr 5, 2016·3 cites·16 claims
- 3972US9822785B2Turbocharger compressor recirculation systemFLETCHER DAVID·Filed 2014·Granted Nov 21, 2017·3 cites·20 claims
- 4071USD780296SActuated valveFLETCHER DAVID E·Filed 2015·Granted Feb 28, 2017·8 cites·1 claims
- 4170US9145824B2Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closingFLETCHER DAVE·Filed 2014·Granted Sep 29, 2015·2 cites·15 claims
- 4270US9133852B2Pneumatic compressor recirculation valve system for minimizing surge under boost during throttle closingFLETCHER DAVE·Filed 2014·Granted Sep 15, 2015·2 cites·16 claims
- 4366US10525952B2Aspirators for producing vacuum using the venturi effectDAYCO IP HOLDINGS LLC·Filed 2019·Granted Jan 7, 2020·0 cites·23 claims
- 4465US11067177B2Sprung gate valves movable by an actuatorDAYCO IP HOLDINGS LLC·Filed 2019·Granted Jul 20, 2021·0 cites·16 claims
- 4565USD840922SVenturi deviceDAYCO IP HOLDINGS LLC·Filed 2018·Granted Feb 19, 2019·5 cites·1 claims
- 4665US10190549B2Check valves and venturi devices having the sameDAYCO IP HOLDINGS LLC·Filed 2018·Granted Jan 29, 2019·0 cites·20 claims
- 4765US9617958B2Noise attenuation unit for engine systemsHAMPTON KEITH·Filed 2014·Granted Apr 11, 2017·1 cites·20 claims
- 4863US9828953B2Evacuator system having multi-port evacuatorFLETCHER DAVID·Filed 2014·Granted Nov 28, 2017·1 cites·21 claims
- 4963USD802095SActuated valveFLETCHER DAVID E·Filed 2017·Granted Nov 7, 2017·5 cites·1 claims
- 5062US10480537B2Low-cost evacuator for an engine having tuned Venturi gapsDAYCO IP HOLDINGS LLC·Filed 2019·Granted Nov 19, 2019·0 cites·16 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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