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

Caschem — 39 Patents

Rank (All Time): #16,031 of 105,732Top 20%
26 inventors
39 Patents All Time

Patents per Year

Patents granted per year, 1982 to 2002Bar chart with a peak of 6 patents in 1987.peak 61982: 1 patents19821983: 1 patents1985: 2 patents19851986: 1 patents1987: 6 patents19871988: 1 patents1989: 4 patents19891990: 2 patents1991: 4 patents19911994: 4 patents1995: 3 patents19951996: 3 patents1997: 3 patents19971999: 1 patents2000: 2 patents20002002: 1 patents2002

Top Inventors at Caschem All Time

Showing 1–26 of 26 inventors

RankNamePatents
1 Melvin Brauer 27
2 William J. Downey 13
3 Frank C. Naughton 6
3 Jerry C. Chao 6
#5 Dominic Simone 5
#5 Douglas A. Usifer 5
#7 Yuan C. Chu 4
#8 Ifeanyi C. Broderick 3
#8 Kamlesh Gaglani 3
#10 Clayton C. Crawford 2
#10 James V. Crivello 2
#10 Srinivasan Chakrapani 2
#13 Thomas Samuel Totah 1
#13 Barton C. Case 1
#13 Carlos Ramirez 1
#13 Christopher Andreola 1
#13 Charles David Ries 1
#13 Francis Duneczky 1
#13 James Chang 1
#13 Jack C. Chu 1
#13 John F. Cope 1
#13 Thaddeus F. Kroplinski 1
#13 Thomas W. Sheedy 1
#13 Wayne E. Wright 1
#13 William B. Woods 1
#13 Paul R. Lydigsen 1