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

Irt & Associates — 15 Patents

Rank (All Time): #37,423 of 105,732Top 40%
29 inventors
15 Patents All Time

Patents per Year

Patents granted per year, 1981 to 2018Bar chart with a peak of 5 patents in 1987.peak 51981: 2 patents19811982: 1 patents19821984: 2 patents19841986: 1 patents19861987: 5 patents19871989: 1 patents19891991: 1 patents19911993: 1 patents19932018: 1 patents2018

Top Inventors at Irt & Associates All Time

Showing 1–29 of 29 inventors

RankNamePatents
1 Herbert R. Lukens, Jr. 3
2 James R. Waltonen 2
3 Nicholas Vagelatos 1
3 Wade E. Selph 1
3 Charles Preskitt 1
3 Colin Balfour Williams 1
3 Donald P. Snowden 1
3 Donald K. Steinman 1
3 Doug Thompson 1
3 Ed Ross 1
3 Jack C. Young 1
3 Jeffrey A. Stokes 1
3 John A. Adams 1
3 John W. Battin 1
3 Joseph John 1
3 Juan Amoroso, Jr. 1
3 Larry L. Bauer 1
3 Larry L. Longden 1
3 Mike Juha 1
3 Nguyen Cong Anh 1
3 Paul Phillip Axford 1
3 Paul Turner 1
3 Phil Bowles 1
3 Richard L. Voigt 1
3 Stanley J. Friesenhahn 1
3 Steven W. Smith 1
3 Thomas W. Stroebel 1
3 Van Nguyen 1
3 H. Richard Lukens 1

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