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

Walbro Engine Management, L.L.C. — 92 Patents

Rank (All Time): #7,467 of 105,732Top 8%
85 inventors
92 Patents All Time

Patents per Year

Patents granted per year, 2003 to 2016Bar chart with a peak of 19 patents in 2007.peak 192003: 2 patents20032004: 6 patents2005: 7 patents20052006: 13 patents2007: 19 patents20072008: 11 patents2009: 6 patents20092010: 8 patents2011: 2 patents20112012: 3 patents2013: 4 patents20132014: 2 patents2015: 8 patents20152016: 1 patents2016

Top Inventors at Walbro Engine Management, L.L.C. All Time

Showing 1–50 of 85 inventors

RankNamePatents
1 George M. Pattullo 16
2 Ronald H. Roche 13
3 John C. Woody 10
#4 Martin N. Andersson 9
#5 Kevin L. Israelson 8
#6 David L. Speirs 7
#6 Roger N. Smith 7
#8 Kenneth J. Cotton 6
#8 Matthew A. Braun 6
#8 Mark S. Swanson 6
#8 Michael P. Burns 6
#12 Eric G. Zbytowski 5
#12 Jeffrey D. Hanby 5
#12 Yoshiaki Douyama 5
#15 Gary U. Gliniecki 4
#16 David L. Thomas 3
#16 Donald W. Warner 3
#16 Eric L. King 3
#16 Gary J. Burns 3
#16 Gerald J. LaMarr, Jr. 3
#16 Kevin Born 3
#16 Paul J. Dow 3
#16 Paul S. Learman 3
#16 Tamio Aihara 3
#16 Takashi Horikawa 3
#16 Teruhiko Tobinai 3
#16 Thomas Schmidt 3
#16 Toshimasa Takahashi 3
#16 William E. Galka 3
#30 Andrew E. Bejcek 2
#30 Bryan K. Gangler 2
#30 Bradley J. Roche 2
#30 Cyrus M. Healy 2
#30 David Hacker 2
#30 David L. Knight 2
#30 Dale P. Kus 2
#30 Douglas W. Salowitz, Jr. 2
#30 Hidenori Sasaki 2
#30 Hitoshi Terakado 2
#30 James E. Van Allen 2
#30 Joseph M. Graham 2
#30 Jun Takano 2
#30 Kazuhito Fujisawa 2
#30 Kerry E. Grifka 2
#30 Larry D. Whittaker 2
#30 Lewis Kolak 2
#30 Masatoshi Endo 2
#30 Takeshi Sakaguchi 2
#30 Tsuyoshi Watanabe 2
#50 Raffaele Terilizzi 1