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

Wilfred E. Vail — 3 Patents

NANashua: 3 patents #9 of 89Top 15%
Litchfield, NH: #50 of 107 inventorsTop 50%
New Hampshire: #4,183 of 12,181 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Wilfred E. Vail has been granted 3 US patents while listed as an inventor at Nashua. The first was granted in 1997 and the most recent in September 2000. Wilfred E. Vail ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Wilfred E. Vail in Litchfield, NH, US.

Patents per Year

Patents granted per year, 1997 to 2000Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19971999: 1 patents19992000: 1 patents2000

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6124069 Electrophotographic carrier comprising a coating of a grafted fluoropolymer Jan Bartus 2000-09-26 $290,000
5994015 Carrier materials 1999-11-30 $403,000
5627001 Coated carrier particle containing a charge control agent 1997-05-06 $649,000