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

Grain Processing — 130 Patents

Rank (All Time): #5,610 of 105,917Top 6%
87 inventors
130 Patents All Time

Patents per Year

Patents granted per year, 1990 to 2023Bar chart with a peak of 10 patents in 2002.peak 101990: 1 patents19901991: 1 patents1992: 1 patents1993: 1 patents19931994: 3 patents1995: 1 patents1996: 1 patents19961998: 1 patents1999: 2 patents2000: 4 patents20002001: 2 patents2002: 10 patents2003: 8 patents20032004: 7 patents2005: 5 patents2006: 4 patents20062007: 4 patents2008: 2 patents2009: 3 patents20092010: 6 patents2011: 2 patents2012: 3 patents20122013: 3 patents2014: 5 patents2015: 5 patents20152016: 3 patents2017: 4 patents2018: 3 patents20182019: 1 patents2023: 1 patents2023

Top Inventors at Grain Processing All Time

Showing 51–87 of 87 inventors

RankNamePatents
#33 Richard E. Castle 2
#33 Richard R. Hitchcock 2
#33 Robert A. Meintrup 2
#33 Robert J. Willis 2
#33 Todd Bloomer 2
#56 Randall K. Dew 1
#56 Raymond L. Mullikin 1
#56 Billy D. Chrisman 1
#56 Serge Johal 1
#56 T. L. Gallaher 1
#56 Mark L. Hogen 1
#56 Alpha A. Morehouse 1
#56 Brian Jensen 1
#56 Carrie Shipley 1
#56 Claire Smith 1
#56 Donald L. Johnson 1
#56 Edward D. Hubbard 1
#56 Harry W. Durand 1
#56 Harry M. Kennedy 1
#56 Howard J. Slawny 1
#56 J. Reagan Davis 1
#56 J. Taylor 1
#56 Jiao Wang 1
#56 Jianteng Xu 1
#56 Katherine Lauren Gregory 1
#56 Kara Hulsey 1
#56 Perminus Mungara 1
#56 Richard David Bunker 1
#56 Richard G. Rogers 1
#56 Robert B. Huston 1
#56 Robert E. Klem 1
#56 Robert L. Olson 1
#56 Shawn M. Engels 1
#56 Thomas L. Gallaher 1
#56 Todd Sanner 1
#56 William F. Lindsay 1
#56 Zac Halloran 1