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

Dock Leveler Manufacturing — 9 Patents

Rank (All Time): #58,936 of 105,732Top 60%
5 inventors
9 Patents All Time

Patents per Year

Patents granted per year, 1989 to 1997Bar chart with a peak of 3 patents in 1993.peak 31989: 1 patents19891990: 2 patents19901992: 1 patents19921993: 3 patents19931994: 1 patents19941997: 1 patents1997

Top Inventors at Dock Leveler Manufacturing All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Bobby A. Cook 5
2 Edward T. Walker 3
3 Gary Beasley 1
3 Leo Benson 1
3 Michael J. Ruppe 1