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

John Conover — 3 Patents

HCHcr: 1 patents #3 of 11Top 30%
OPOsmose Wood Preserving: 1 patents #3 of 10Top 30%
Brown Deer, WI: #38 of 118 inventorsTop 35%
Wisconsin: #13,370 of 40,088 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Conover has been granted 3 US patents while listed as an inventor at Hcr. The first was granted in 1991 and the most recent in June 2010. John Conover ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Conover in Brown Deer, WI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7726146 Bar with multiple integral beverage thermal plates Carol Yeagy, Hal Yeagy 2010-06-01
5236711 Method for preserving wooden cross-tie David J. Ostby 1993-08-17
5043225 Wood preserving pad David J. Ostby 1991-08-27