Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WK

William Kalk — 2 Patents in 2021

KOKohler: 2 patents #37 of 204Top 20%
Sheboygan, WI: #17 of 88 inventorsTop 20%
Wisconsin: #728 of 4,723 inventorsTop 20%
Overall (2021): #99,620 of 548,734Top 20%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11047123 Gravity-fed toilet with quiet siphonic flush William Kuru 2021-06-29
10927537 Line pressure-driven, tankless, siphonic toilet Sudip Mukerji, Michael Luettgen, Randy O. Mesun, Jeremy Rauwerdink, Jeffrey T. Laundre +3 more 2021-02-23