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

Bull Hn Information Systems — 306 Patents

Rank (All Time): #2,536 of 105,732Top 3%
284 inventors
306 Patents All Time

Patents per Year

Patents granted per year, 1989 to 2019Bar chart with a peak of 29 patents in 1990.peak 291989: 19 patents19891990: 29 patents1991: 17 patents1992: 25 patents19921993: 28 patents1994: 26 patents1995: 18 patents19951996: 19 patents1997: 21 patents1998: 13 patents19981999: 12 patents2000: 13 patents2001: 9 patents20012002: 22 patents2003: 9 patents2004: 7 patents20042005: 8 patents2006: 3 patents2007: 1 patents20072008: 2 patents2010: 1 patents2014: 2 patents20142017: 1 patents2019: 1 patents2019

Top Inventors at Bull Hn Information Systems All Time

Showing 1–50 of 284 inventors

RankNamePatents
1 George J. Barlow 22
2 Russell W. Guenthner 21
3 James W. Keeley 20
#4 Charles P. Ryan 19
#4 William A. Shelly 19
#6 Richard A. Lemay 18
#7 David A. Egolf 16
#8 Ronald Lange 12
#8 Thomas F. Joyce 12
#10 Wayne R. Buzby 11
#11 Bruce A. Noyes 10
#11 Thomas S. Hirsch 10
#13 Clinton B. Eckard 9
#13 Jian-Kuo Shen 9
#13 Richard P. Kelly 9
#13 William E. Woods 9
#17 Chester M. Nibby, Jr. 8
#17 Thomas H. Howell 8
#19 David Scott Edwards 7
#19 Forouzan Golshani 7
#19 Kin C. Yu 7
#19 Richard C. Zelley 7
#19 Robert J. Russell 7
#19 Ronald W. Yoder 7
#25 Arthur Peters 6
#25 Lowell D. McCulley 6
#25 Raymond D. Bowden, III 6
#25 Robert V. Ledoux 6
#25 Sidney L. Andress 6
#25 Stefan R. Bohult 6
#25 Thomas O. Holtey 6
#32 Bruce E. Flocken 5
#32 David E. Cushing 5
#32 David W. Selway 5
#32 Donald C. Boothroyd 5
#32 Donald R. Kesner 5
#32 Donald J. Rathbun 5
#32 Edward F. Getson, Jr. 5
#32 Leonard Rabins 5
#32 Minoru Inoshita 5
#32 Richard S. Bianchi 5
#32 Steven A. Tague 5
#32 Victor M. Morganti 5
#32 William Lawrance 5
#45 David A. Bowman 4
#45 Daniel Carteau 4
#45 David Ian Howarth 4
#45 Donald P. Levine 4
#45 Donald L. Smith 4
#45 Elmer W. Carroll 4

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