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

Durotech — 7 Patents

Rank (All Time): #75,360 of 105,732Top 75%
6 inventors
7 Patents All Time

Patents per Year

Patents granted per year, 1987 to 2002Bar chart with a peak of 2 patents in 2001.peak 21987: 1 patents19871988: 1 patents19881990: 1 patents19901998: 1 patents19982001: 2 patents20012002: 1 patents2002

Top Inventors at Durotech All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Miroslav Liska 4
2 Anthony Tomsicek 2
2 Duane D. Krohn 2
2 Lyman V. Hays 2
#5 Robert Jones 1
#5 Pavel Jekl 1