Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JH

James J. Handzel — 9 Patents

GRGraco: 5 patents #10 of 149Top 7%
WTWagner Spray Tech: 4 patents #40 of 165Top 25%
New Hope, MN: #25 of 184 inventorsTop 15%
Minnesota: #8,400 of 52,454 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
James J. Handzel has been granted 9 US patents while listed as an inventor at Graco. The first was granted in 1992 and the most recent in November 2015. James J. Handzel ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list James J. Handzel in New Hope, MN, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9192950 Sprayer for a fluid delivery system Christopher W. Carleton, Joseph W. Kieffer, Richard P. Anderson, Christopher J. Sulzer 2015-11-24
7878425 Liquid supply attachment for spray gun Joseph W. Kieffer, Christopher J. Sulzer, Christopher W. Carleton 2011-02-01
D623663 Fluid delivery system Joseph W. Kieffer, Richard P. Anderson, Eric Lagman, Christopher J. Sulzer 2010-09-14
D620499 Fluid pump assembly Christopher J. Sulzer 2010-07-27
5971714 Electronic CAM compensation of pressure change of servo controlled pumps Eric Johnson Schaffer, Neal A. Werner 1999-10-26 $5,833,000
5605446 High viscosity material pump having valved priming piston Bradley K. Voigt 1997-02-25 $2,082,000
D372034 Reciprocating pump Kent Hand, Bradley K. Voigt, Scott C. Losey 1996-07-23
5456583 Liquid pump 1995-10-10 $2,385,000
5117998 Universal five gallon wiper plate assembly 1992-06-02 $954,000