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

Plyco — 11 Patents

Rank (All Time): #48,712 of 105,732Top 50%
10 inventors
11 Patents All Time

Patents per Year

Patents granted per year, 1996 to 2021Bar chart with a peak of 4 patents in 2005.peak 41996: 2 patents19961998: 1 patents19982001: 1 patents20012005: 4 patents20052012: 1 patents20122020: 1 patents20202021: 1 patents2021

Top Inventors at Plyco All Time

Showing 1–10 of 10 inventors

RankNamePatents
1 David W. Coolman 4
2 Eugene Sawyer 3
3 Alan C. Geisthardt 2
3 Gary S. Sokol 2
3 Timothy E. Freehauf 2
#6 Jeffrey L. Grafrix 1
#6 Alan C. Geislhardt 1
#6 Jeffrey L. Gratrix 1
#6 David A. Kaiser 1
#6 Adam G. Sokol 1