Topic leaderboard

B27G

CPC B27G

Ranked by the PatentIndex Score — a 1–99 percentile within B27G · public-visibility date · generated 2026

Rising· last 2 yrs

Inventors whose newest B27G patents became public in the last 2 years — the current frontier

  1. 199Stephen F. Gass119 patents · 5,487 citations
  2. 296Göran Ziegler7 patents · 113 citations
  3. 392Scott L. Clark6 patents · 36 citations
  4. 488Per Nygren4 patents · 39 citations
  5. 583Thomas Meijer4 patents · 39 citations
  6. 679Anders Nilsson6 patents · 12 citations
  7. 775Karl Quist6 patents · 12 citations
  8. 871Roger Ylikangas6 patents · 12 citations
  9. 967Henry Wang9 patents · 12 citations
  10. 1063Chin-Chin Chang5 patents · 41 citations
  11. 1158David E. Dutterer3 patents · 5 citations
  12. 1254Dustin John Gray2 patents · 6 citations
  13. 1350Edith Marie Schaller2 patents · 6 citations
  14. 1446Theodore Cooper Searle, Iii2 patents · 6 citations
  15. 1542Wayne B. Sherman3 patents · 3 citations
  16. 1638Keith Blenkinsopp4 patents · 1 citations
  17. 1733Cze-Chao Tam1 patents · 1 citations
  18. 1829Charles D. Lamb2 patents · 0 citations
  19. 1925Zachary Adams2 patents · 0 citations
  20. 2021NONIEWICZ ZBIGNIEW1 patents · 1 citations
  21. 2117WOICK LOTHAR1 patents · 1 citations
  22. 2213COMPTON TYLER1 patents · 0 citations
  23. 238GALITSKIY ALEXANDER1 patents · 0 citations
  24. 244GILLIES ANDREW1 patents · 0 citations
  25. 251LAW ERIC1 patents · 0 citations

Active· last 5 yrs

Sustained B27G output across the last 5 years

  1. 199Stephen F. Gass119 patents · 5,487 citations
  2. 296Darko Pervan10 patents · 656 citations
  3. 392Agne Pålsson7 patents · 582 citations
  4. 488Christian Boo7 patents · 582 citations
  5. 583Mattias Sjostrand7 patents · 582 citations
  6. 679Niclas Hakansson7 patents · 582 citations
  7. 775Göran Ziegler7 patents · 113 citations
  8. 871Daryl S. Richards7 patents · 96 citations
  9. 967Laverne R. Durfee9 patents · 112 citations
  10. 1063Chin-Yuan Liu9 patents · 63 citations
  11. 1158Scott L. Clark6 patents · 36 citations
  12. 1254Juergen Wiker6 patents · 92 citations
  13. 1350Eric Laliberte17 patents · 31 citations
  14. 1446Per Nygren4 patents · 39 citations
  15. 1542Thomas Meijer4 patents · 39 citations
  16. 1638Brian Wattenbach5 patents · 52 citations
  17. 1733Mats Engnell4 patents · 41 citations
  18. 1829Jonas Fransson3 patents · 61 citations
  19. 1925Chia-Sheng Liu5 patents · 27 citations
  20. 2021Ayla Hutchinson4 patents · 19 citations
  21. 2117Vaughan John Hutchinson4 patents · 19 citations
  22. 2213Anders Nilsson6 patents · 12 citations
  23. 238Karl Quist6 patents · 12 citations
  24. 244Roger Ylikangas6 patents · 12 citations
  25. 251Henry Wang9 patents · 12 citations

All-time canon

Career PatentIndex Score in B27G

  1. 199Stephen F. Gass119 patents · 5,487 citations
  2. 296J. David Fulmer47 patents · 2,555 citations
  3. 392Joel F. Jensen19 patents · 960 citations
  4. 488David A. Fanning39 patents · 2,166 citations
  5. 583Andrew L. Johnston12 patents · 817 citations
  6. 679Darko Pervan10 patents · 656 citations
  7. 775Agne Pålsson7 patents · 582 citations
  8. 871Christian Boo7 patents · 582 citations
  9. 967Mattias Sjostrand7 patents · 582 citations
  10. 1063Niclas Hakansson7 patents · 582 citations
  11. 1158David S. D'Ascenzo14 patents · 632 citations
  12. 1254Robert L. Chamberlain9 patents · 492 citations
  13. 1350Benjamin B. Schramm8 patents · 383 citations
  14. 1446Michael L. O'Banion10 patents · 514 citations
  15. 1542Sung Hoon Kim8 patents · 482 citations
  16. 1638Randall J. Huebner5 patents · 482 citations
  17. 1733Daryl S. Meredith7 patents · 458 citations
  18. 1829Katsuhiko Sasaki7 patents · 415 citations
  19. 1925William R. Stumpf6 patents · 388 citations
  20. 2021Dana Mears4 patents · 506 citations
  21. 2117Kevin Greig4 patents · 506 citations
  22. 2213Paul A. Zwirkoski4 patents · 506 citations
  23. 238Charles H. Scholl5 patents · 350 citations
  24. 244Thomas O. Schimke5 patents · 263 citations
  25. 251Rickey J. Thomas7 patents · 261 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth