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

Technical Chemical — 18 Patents

Rank (All Time): #32,285 of 105,732Top 35%
11 inventors
18 Patents All Time

Patents per Year

Patents granted per year, 1990 to 2010Bar chart with a peak of 5 patents in 1993.peak 51990: 1 patents19901992: 3 patents19921993: 5 patents19931994: 1 patents19941995: 1 patents19952000: 1 patents20002002: 2 patents20022003: 1 patents20032004: 2 patents20042010: 1 patents2010

Top Inventors at Technical Chemical All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 Robert L. Keltner 8
2 Newton Howard Dudley 6
3 N. Howard Dudley 2
#4 Howard Dudley 1
#4 Jim B. Ferguson 1
#4 Kenneth M. Adams 1
#4 Michael L. Schwartz 1
#4 Richard L. Miller 1
#4 Ronald E. Keith 1
#4 Richard J. Horter 1
#4 Gary H. Berriochoa 1