Topic leaderboard

B25B

Tools & bench devices

Ranked by the PatentIndex Score — a 1–99 percentile within B25B · public-visibility date · generated 2026

Rising· last 2 yrs

Inventors whose newest B25B patents became public in the last 2 years — the current frontier

  1. 199Joseph P. Kelleher31 patents · 2,639 citations
  2. 296John E. Rode46 patents · 979 citations
  3. 392Matthew J. Mergener48 patents · 544 citations
  4. 488Cole A. Conrad26 patents · 327 citations
  5. 583Stephen Matson20 patents · 319 citations
  6. 679Burtrom L. Stampfl18 patents · 311 citations
  7. 775Roger A. Vandenberg27 patents · 501 citations
  8. 871Chih-Ching Hsieh209 patents · 2,315 citations
  9. 967Warren A. Seith36 patents · 665 citations
  10. 1063David Wilson12 patents · 429 citations
  11. 1158Timothy T. Mckenzie11 patents · 360 citations
  12. 1254Peter M. Roberts16 patents · 575 citations
  13. 1350Scott R. Fischer18 patents · 217 citations
  14. 1446Alex Huber18 patents · 210 citations
  15. 1542Mark A. Kubale12 patents · 163 citations
  16. 1638Christian Coulis10 patents · 162 citations
  17. 1733Paul Rossetto10 patents · 162 citations
  18. 1829Oleksiy P. Sergyeyenko16 patents · 1,176 citations
  19. 1925Hidenori Nagasaka18 patents · 388 citations
  20. 2021Timothy R. Cooper18 patents · 384 citations
  21. 2117Brian E. Friedman12 patents · 242 citations
  22. 2213Andrew T. Beyerl13 patents · 149 citations
  23. 238Keith S. Attee16 patents · 249 citations
  24. 244Maurice Perlman16 patents · 246 citations
  25. 251Jason K. Leh7 patents · 179 citations

Active· last 5 yrs

Sustained B25B output across the last 5 years

  1. 199Craig A. Schell28 patents · 3,242 citations
  2. 296Daniel Puzio40 patents · 3,257 citations
  3. 392Joseph P. Kelleher31 patents · 2,639 citations
  4. 488Egbert Frenken54 patents · 1,900 citations
  5. 583Katsuyuki Totsu20 patents · 1,313 citations
  6. 679John E. Rode46 patents · 979 citations
  7. 775Matthew J. Mergener48 patents · 544 citations
  8. 871Cole A. Conrad26 patents · 327 citations
  9. 967Stephen Matson20 patents · 319 citations
  10. 1063Burtrom L. Stampfl18 patents · 311 citations
  11. 1158Christopher D. Thompson33 patents · 783 citations
  12. 1254Hitoshi Suzuki8 patents · 527 citations
  13. 1350Roger A. Vandenberg27 patents · 501 citations
  14. 1446Chih-Ching Hsieh209 patents · 2,315 citations
  15. 1542Warren A. Seith36 patents · 665 citations
  16. 1638Louis Chuang16 patents · 524 citations
  17. 1733John Nino44 patents · 947 citations
  18. 1829Robert S. Gehret16 patents · 398 citations
  19. 1925Daniel M. Eggert45 patents · 733 citations
  20. 2021Hidenori Shimizu11 patents · 391 citations
  21. 2117Branko Sarh26 patents · 420 citations
  22. 2213David Wilson12 patents · 429 citations
  23. 238Marco E. Devecchis14 patents · 421 citations
  24. 244Timothy T. Mckenzie11 patents · 360 citations
  25. 251Keitaro Yonezawa42 patents · 740 citations

All-time canon

Career PatentIndex Score in B25B

  1. 199Lee M. Middleman12 patents · 5,619 citations
  2. 296Walter R. Pyka12 patents · 5,619 citations
  3. 392James E. Jervis11 patents · 5,129 citations
  4. 488Michael Buhler11 patents · 5,129 citations
  5. 583Philippe Poncet11 patents · 5,129 citations
  6. 679Karl Van Dyk9 patents · 3,607 citations
  7. 775David S. D'Ascenzo6 patents · 1,902 citations
  8. 871Stephen F. Gass6 patents · 1,902 citations
  9. 967Daniele C. Brotto12 patents · 3,857 citations
  10. 1063Sam R. Marchand5 patents · 2,433 citations
  11. 1158Reza Zadno5 patents · 2,152 citations
  12. 1254Craig A. Schell28 patents · 3,242 citations
  13. 1350Daniel Puzio40 patents · 3,257 citations
  14. 1446Joseph P. Kelleher31 patents · 2,639 citations
  15. 1542Scott J. Eshleman19 patents · 2,605 citations
  16. 1638Alan A. Gilmore5 patents · 910 citations
  17. 1733David A. Mcguire11 patents · 1,613 citations
  18. 1829Todd A. Hagan13 patents · 1,154 citations
  19. 1925Rodney Milbourne19 patents · 1,392 citations
  20. 2021Christine Potter14 patents · 1,192 citations
  21. 2117Masahiro Watanabe10 patents · 873 citations
  22. 2213Michael Bowers9 patents · 852 citations
  23. 238Katsuhiro Oomori15 patents · 1,666 citations
  24. 244Egbert Frenken54 patents · 1,900 citations
  25. 251Earl M. Zergiebel11 patents · 554 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth