Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Elshof — 8 Patents

NONordson: 4 patents #245 of 1,063Top 25%
ICImage Co.: 1 patents #4 of 9Top 45%
RIRowe International: 1 patents #24 of 41Top 60%
VPValue Plastics: 1 patents #12 of 19Top 65%
TITeledyne Industries: 1 patents #241 of 517Top 50%
Grand Haven, MI: #47 of 357 inventorsTop 15%
Michigan: #12,001 of 86,293 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Robert J. Elshof has been granted 8 US patents while listed as an inventor at Nordson. The first was granted in 1991 and the most recent in December 2013. Robert J. Elshof ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert J. Elshof in Grand Haven, MI, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8596688 Latch assembly for joining two conduits James D. Pisula, Jr., Bruce A. Williams, Ravikumar Narayanan, Francis J. Lombardi, III, Marc Lalouette 2013-12-03 $10,093,000
8448994 Latch assembly for joining two conduits James D. Pisula, Jr., Bruce A. Williams, Ravikumar Narayanan, Francis J. Lombardi, III, Marc Lalouette 2013-05-28 $25,128,000
8397756 Fluid conduit couplers with depressible latch mechanism Trent Turner Packham, Francis J. Lombardi, III, Leonard L. Hofheins, Gregg D. Niven, Raymond Townsend +1 more 2013-03-19 $11,313,000
8235426 Latch assembly for joining two conduits James D. Pisula, Jr., Bruce A. Williams, Ravikumar Narayanan, Francis J. Lombardi, III, Marc Lalouette 2012-08-07 $11,172,000
7806139 Fluid conduit coupling assembly having male and female couplers with integral valves Trent Turner Packham, Francis J. Lombardi, III, Leonard L. Hofheins, Gregg D. Niven, Raymond Townsend +1 more 2010-10-05
6065656 Travel mug 2000-05-23
D420550 Travel mug 2000-02-15
5031346 Jukebox selection display and page turning mechanism therefor Lloyd D. Herring, Richard Van Dyk, Jeffrey J. Kalis 1991-07-16