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

Esco Group — 229 Patents

Rank (All Time): #3,368 of 105,917Top 4%
186 inventors
229 Patents All Time

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 21 patents in 2020.peak 211995: 2 patents19951996: 2 patents1997: 2 patents1998: 2 patents19981999: 3 patents2000: 1 patents2001: 1 patents20012002: 1 patents2003: 2 patents2004: 3 patents20042006: 6 patents2007: 5 patents2008: 2 patents20082009: 4 patents2010: 9 patents2011: 8 patents20112012: 6 patents2013: 5 patents2014: 5 patents20142015: 7 patents2016: 5 patents2017: 5 patents20172018: 9 patents2019: 8 patents2020: 21 patents20202021: 7 patents2022: 6 patents2023: 6 patents20232024: 10 patents2025: 2 patents2025

Top Inventors at Esco Group All Time

Showing 1–50 of 186 inventors

RankNamePatents
1 Christopher M. Carpenter 44
2 Terry L. Briscoe 42
3 Larren F. Jones 21
#4 Noah D. Cowgill 19
#5 Charles G. Ollinger, IV 16
#5 Michael B. Roska 16
#7 Donald M. Conklin 15
#7 Robert K. Emrich 15
#9 Steven D. Hyde 14
#10 Frederick C. Hahn 13
#11 Robert McClanahan 11
#11 Severn D. Durand 11
#13 Jason W. Betournay 10
#14 David M. Graf 9
#14 James E. Bearden 9
#14 Karsten D. Zuendel 9
#14 Kevin S. Stangeland 9
#14 Scott H. Zenier 9
#19 Eric L. Bewley 8
#19 Javier Lander 8
#19 Joseph E. Blomberg 8
#19 Joel S. Hankland 8
#19 Michael R. Weeks 8
#24 Cameron R. Leedham 7
#24 Mark Cheyne 7
#24 Ray J. Morris 7
#24 Robin K. Churchill 7
#28 Daniel R. Morrow 6
#28 Dziugas Radzius 6
#28 Emory D. Hungerford 6
#28 John S. Kreitzberg 6
#28 Robert S. Fleck 6
#33 Aaron B. Lian 5
#33 Christopher D. Snyder 5
#33 John P. Hoice 5
#33 Rodney K. Clarke 5
#37 Chris J. Hainley 4
#37 Christopher A. Johnston 4
#37 Clinton A. Wood 4
#37 Paul C. Sprunger 4
#37 Ryan J. Carpenter 4
#37 Taylor M. Finley 4
#43 Carolyn Shapiro 3
#43 Daniel R. Danks 3
#43 David A. Hampel 3
#43 David M. Paul 3
#43 Ermanno Simonutti 3
#43 Jared R. Ames 3
#43 Jack B. Ottestad 3
#43 Junbo Qian 3

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