Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Sandman — 9 Patents

KOKohler: 3 patents #380 of 998Top 40%
BEBerkley: 2 patents #13 of 37Top 40%
TCThe Vollrath Company: 2 patents #8 of 40Top 20%
IHIo-Mega Holding: 1 patents #177 of 308Top 60%
PFPure Fishing: 1 patents #25 of 46Top 55%
Sheboygan, WI: #105 of 549 inventorsTop 20%
Wisconsin: #5,350 of 40,088 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert Sandman has been granted 9 US patents while listed as an inventor at Kohler. The first was granted in 1986 and the most recent in June 2007. Robert Sandman ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert Sandman in Sheboygan, WI, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7234009 Use of an optical interface for removable magnetic media Troy Davidson 2007-06-19 $2,191,000
6446894 Planetary gear assembly for fishing reel Thomas Holma, Borje Moosberg 2002-09-10
5538769 Graphite composite shaft with reinforced tip 1996-07-23 $4,728,000
5384085 Method of making graphite composite shafts Guy M. Houser 1995-01-24 $3,416,000
5016297 Sink assembly Bruce M. Sauter, Jeffrey F. Tempas 1991-05-21
D300902 Handle Herbert V. Kohler, Jr., William R. Davis 1989-05-02
4689275 Non-skid laminated sheet 1987-08-25
4654099 Method of production of a non-skid laminated sheet 1987-03-31
4626454 Decorative fitting 1986-12-02