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

Pflow Industries — 24 Patents

Rank (All Time): #25,112 of 105,917Top 25%
9 inventors
24 Patents All Time

Patents per Year

Patents granted per year, 1980 to 2022Bar chart with a peak of 3 patents in 2002.peak 31980: 1 patents19801991: 1 patents1993: 2 patents19931995: 1 patents1997: 1 patents19971999: 2 patents2002: 3 patents20022003: 1 patents2005: 1 patents20052006: 1 patents2008: 1 patents20082010: 1 patents2011: 2 patents20112012: 1 patents2014: 1 patents20142019: 1 patents2021: 2 patents20212022: 1 patents2022

Top Inventors at Pflow Industries All Time

Showing 1–9 of 9 inventors

RankNamePatents
1 Mark R. Webster 12
2 Gene M. Barth 10
3 Robert H. Pfleger 8
#4 Craig S. Schmidt 4
#5 Michael Sohn 2
#5 Patrick J. Kelnhofer 2
#7 Robert H. Plfeger 1
#7 August R. Bergemann 1
#7 Michael Reilly 1