Inventor · disambiguated record
James J. Handzel
Also filed as: HANDZEL JAMES J
9 granted patents·2 pending applications·195 citations·filing 1991–2009
90Inventor score
Top patents by PatentIndex Score
11 records- 0189US7878425B2Liquid supply attachment for spray gunWAGNER SPRAY TECH CORP·Filed 2008·Granted Feb 1, 2011·27 cites·23 claims
- 0286US5971714AElectronic CAM compensation of pressure change of servo controlled pumpsGRACO INC·Filed 1997·Granted Oct 26, 1999·48 cites·4 claims
- 0382US9192950B2Sprayer for a fluid delivery systemCARLETON CHRISTOPHER W·Filed 2009·Granted Nov 24, 2015·20 cites·3 claims
- 0475USD372034SReciprocating pumpGRACO INC·Filed 1995·Granted Jul 23, 1996·22 cites·1 claims
- 0568US5456583ALiquid pumpGRACO INC·Filed 1994·Granted Oct 10, 1995·27 cites·8 claims
- 0658USD620499SFluid pump assemblyWAGNER SPRAY TECH CORP·Filed 2009·Granted Jul 27, 2010·10 cites·1 claims
- 0754US5117998AUniversal five gallon wiper plate assemblyGRACO INC·Filed 1991·Granted Jun 2, 1992·26 cites·4 claims
- 0852US2010078499A1Nozzle for fluid delivery systemWAGNER SPRAY TECH CORP·Filed 2009·Application pending·0 cites
- 0951US5605446AHigh viscosity material pump having valved priming pistonGRACO INC·Filed 1994·Granted Feb 25, 1997·15 cites·13 claims
- 1051US2011103978A1Turbine with improved sound reductionWAGNER SPRAY TECH CORP·Filed 2009·Application pending·0 cites
- 1130USD623663SFluid delivery systemWAGNER SPRAY TECH CORP·Filed 2009·Granted Sep 14, 2010·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when James J. Handzel 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 →