Inventor · disambiguated record
Brian W. Koehn
Also filed as: KOEHN BRIAN W
28 granted patents·4 pending applications·177 citations·filing 2014–2025
96Inventor score
Technology areasF04B
Files withGRACO MINNESOTA INC32
Top patents by PatentIndex Score
32 records- 0195US11174854B2Electrically operated displacement pump control system and methodGRACO MINNESOTA INC·Filed 2021·Granted Nov 16, 2021·14 cites·23 claims
- 0295US9638185B2Pulseless positive displacement pump and method of pulselessly displacing fluidGRACO MINNESOTA INC·Filed 2014·Granted May 2, 2017·16 cites·6 claims
- 0394US11655810B2Electrically operated displacement pump control system and methodGRACO MINNESOTA INC·Filed 2021·Granted May 23, 2023·8 cites·21 claims
- 0494US10161393B2Mechanical drive system for a pulseless positive displacement pumpGRACO MINNESOTA INC·Filed 2014·Granted Dec 25, 2018·11 cites·24 claims
- 0593US11867165B2Drive system for a positive displacement pumpGRACO MINNESOTA INC·Filed 2021·Granted Jan 9, 2024·2 cites·20 claims
- 0692US9784265B2Electric drive system for a pulseless positive displacement pumpGRACO MINNESOTA INC·Filed 2014·Granted Oct 10, 2017·7 cites·17 claims
- 0792US9777721B2Hydraulic drive system for a pulseless positive displacement pumpGRACO MINNESOTA INC·Filed 2014·Granted Oct 3, 2017·7 cites·18 claims
- 0890US9777722B2Pulseless positive displacement pump and method of pulselessly displacing fluidGRACO MINNESOTA INC·Filed 2015·Granted Oct 3, 2017·4 cites·5 claims
- 0987US10072650B2Method of pulselessly displacing fluidGRACO MINNESOTA INC·Filed 2017·Granted Sep 11, 2018·2 cites·20 claims
- 1086US12253071B2Drive system for a positive displacement pumpGRACO MINNESOTA INC·Filed 2023·Granted Mar 18, 2025·0 cites·15 claims
- 1185USD822719SDiaphragm pumpGRACO MINNESOTA INC·Filed 2017·Granted Jul 10, 2018·26 cites·1 claims
- 1284USD1014562SDisplacement pumpGRACO MINNESOTA INC·Filed 2022·Granted Feb 13, 2024·9 cites·1 claims
- 1384US11434892B2Electrically operated displacement pump assemblyGRACO MINNESOTA INC·Filed 2021·Granted Sep 6, 2022·1 cites·22 claims
- 1483US2025207575A1Drive system for a positive displacement pumpGRACO MINNESOTA INC·Filed 2025·Application pending·0 cites
- 1582US2024254978A1Electrically operated displacement pump control system and methodGRACO MINNESOTA INC·Filed 2024·Application pending·0 cites
- 1679US12092090B2Electrically operated displacement pump control system and methodGRACO MINNESOTA INC·Filed 2023·Granted Sep 17, 2024·0 cites·20 claims
- 1778US11905939B2Mechanically driven modular diaphragm pumpGRACO MINNESOTA INC·Filed 2023·Granted Feb 20, 2024·0 cites·20 claims
- 1878US2025264096A1Diaphragm pump drive for an electric pumpGRACO MINNESOTA INC·Filed 2025·Application pending·0 cites
- 1977USD1013732SDisplacement pumpGRACO MINNESOTA INC·Filed 2022·Granted Feb 6, 2024·6 cites·1 claims
- 2074USD822067SDiaphragm pumpGRACO MINNESOTA INC·Filed 2017·Granted Jul 3, 2018·15 cites·1 claims
- 2171US11639713B2Mechanically driven modular diaphragm pumpGRACO MINNESOTA INC·Filed 2021·Granted May 2, 2023·0 cites·20 claims
- 2271USD782541SDiaphragm pumpGRACO MINNESOTA INC·Filed 2015·Granted Mar 28, 2017·14 cites·1 claims
- 2370US2019093651A1Drive system for a positive displacement pumpGRACO MINNESOTA INC·Filed 2018·Application pending·0 cites
- 2468USD780227SDiaphragm pumpGRACO MINNESOTA INC·Filed 2015·Granted Feb 28, 2017·13 cites·1 claims
- 2566US12392333B2Diaphragm pump drive for an electric pumpGRACO MINNESOTA INC·Filed 2020·Granted Aug 19, 2025·0 cites·4 claims
- 2665USD822720SDiaphragm pumpGRACO MINNESOTA INC·Filed 2017·Granted Jul 10, 2018·10 cites·1 claims
- 2764USD771714SDiaphragm pumpGRACO MINNESOTA INC·Filed 2015·Granted Nov 15, 2016·11 cites·1 claims
- 2857US11002261B2Mechanically driven modular diaphragm pumpGRACO MINNESOTA INC·Filed 2017·Granted May 11, 2021·0 cites·17 claims
- 2949US11022106B2High-pressure positive displacement plunger pumpGRACO MINNESOTA INC·Filed 2019·Granted Jun 1, 2021·0 cites·16 claims
- 3048USD1014561SDisplacement pump control box with center sectionGRACO MINNESOTA INC·Filed 2022·Granted Feb 13, 2024·1 cites·1 claims
- 3145US11873802B2Pump having multi-stage gas compressionGRACO MINNESOTA INC·Filed 2021·Granted Jan 16, 2024·0 cites·18 claims
- 3230USD1006830SControl box for a displacement pumpGRACO MINNESOTA INC·Filed 2022·Granted Dec 5, 2023·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →