Inventor · disambiguated record
Dennis J. Van Keulen
Also filed as: VAN KEULEN DENNIS J
11 granted patents·1 pending application·45 citations·filing 1999–2019
87Inventor score
Top patents by PatentIndex Score
12 records- 0190US9901945B2Spray system pump wash sequenceGRACO MINNESOTA INC·Filed 2014·Granted Feb 27, 2018·16 cites·12 claims
- 0282US10195622B2Spray system pressure differential monitoringGRACO MINNESOTA INC·Filed 2014·Granted Feb 5, 2019·7 cites·14 claims
- 0376US11691164B2Mix manifold and valve seal assemblyGRACO MINNESOTA INC·Filed 2019·Granted Jul 4, 2023·3 cites·19 claims
- 0476US10670002B2Plural component proportioner comprising a first pump and a second pump simultaneously driven by a motor connected to the pumps by a yoke assembly comprising a shoe, a tie plate including a slot, and a tie rodGRACO MINNESOTA INC·Filed 2015·Granted Jun 2, 2020·3 cites·20 claims
- 0572US10173232B2Multi-point seal lubrication systemGRACO MINNESOTA INC·Filed 2014·Granted Jan 8, 2019·2 cites·10 claims
- 0671US10300504B2Spray system pump wash sequenceGRACO MINNESOTA INC·Filed 2018·Granted May 28, 2019·1 cites·15 claims
- 0761US11045830B2Spray system pump wash sequenceGRACO MINNESOTA INC·Filed 2019·Granted Jun 29, 2021·0 cites·17 claims
- 0861US10688509B2Spray system pressure differential monitoringGRACO MINNESOTA INC·Filed 2019·Granted Jun 23, 2020·0 cites·16 claims
- 0955USD771719SPlural component proportionerGRACO MINNESOTA INC·Filed 2014·Granted Nov 15, 2016·10 cites·1 claims
- 1048US10413924B2Proportioning cylinder for spray systemGRACO MINNESOTA INC·Filed 2014·Granted Sep 17, 2019·0 cites·10 claims
- 1146US2021379616A1Piggable proportioner and pumpGRACO MINNESOTA INC·Filed 2019·Application pending·0 cites
- 1223US6554204B1Integrated gun flush controllerGRACO INC·Filed 1999·Granted Apr 29, 2003·3 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Dennis J. Van Keulen 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 →