Topic leaderboard

B41F

Printing machines or presses

Ranked by the PatentIndex Score — a 1–99 percentile within B41F · public-visibility date · generated 2026

Rising· last 2 yrs

Inventors whose newest B41F patents became public in the last 2 years — the current frontier

  1. 199Christopher Bower20 patents · 253 citations
  2. 296Matthew Meitl16 patents · 240 citations
  3. 392Salvatore Bonafede11 patents · 201 citations
  4. 488Benzion Landa23 patents · 167 citations
  5. 583David Gomez11 patents · 201 citations
  6. 679Volkmar Rolf Schwitzky32 patents · 157 citations
  7. 775Frank Gunschera18 patents · 109 citations
  8. 871Bernd Kurt Masuch39 patents · 158 citations
  9. 967Todd W. Miller24 patents · 64 citations
  10. 1063Patsy A. Mattero15 patents · 55 citations
  11. 1158Thomas Türke12 patents · 55 citations
  12. 1254Grayson Stopp9 patents · 27 citations
  13. 1350Thomas Crisp9 patents · 27 citations
  14. 1446Masayuki Mantani22 patents · 43 citations
  15. 1542Bruno Paul Louis Vermeulen5 patents · 22 citations
  16. 1638Christian Ziegenbalg22 patents · 24 citations
  17. 1733James Lynch12 patents · 29 citations
  18. 1829Mark Curtin6 patents · 41 citations
  19. 1925John Dalton5 patents · 23 citations
  20. 2021Kenneth J. King13 patents · 21 citations
  21. 2117Marian Cofler7 patents · 12 citations
  22. 2213John Cecil Harwell6 patents · 13 citations
  23. 238Carry Zhu4 patents · 14 citations
  24. 244Lk Lin4 patents · 14 citations
  25. 251Shlomo Hermon5 patents · 11 citations

Active· last 5 yrs

Sustained B41F output across the last 5 years

  1. 199Darko Pervan25 patents · 630 citations
  2. 296Tony Pervan25 patents · 630 citations
  3. 392Nathan Hale25 patents · 1,271 citations
  4. 488Ming Xu23 patents · 1,072 citations
  5. 583Vladimir P. Raksha12 patents · 349 citations
  6. 679Christopher Bower20 patents · 253 citations
  7. 775Matthew Meitl16 patents · 240 citations
  8. 871Nikolaus Pfeiffer35 patents · 367 citations
  9. 967Salvatore Bonafede11 patents · 201 citations
  10. 1063Benzion Landa23 patents · 167 citations
  11. 1158David Gomez11 patents · 201 citations
  12. 1254Dale E. Zeman7 patents · 179 citations
  13. 1350Kurt Johannes Weschenfelder43 patents · 272 citations
  14. 1446Richard C. Hoffman, Jr.24 patents · 231 citations
  15. 1542Frank Schumann34 patents · 199 citations
  16. 1638Volkmar Rolf Schwitzky32 patents · 157 citations
  17. 1733James W. Dominico11 patents · 110 citations
  18. 1829Sagi Abramovich5 patents · 75 citations
  19. 1925Tohru Takamura8 patents · 97 citations
  20. 2021Harald Heinrich Willeke15 patents · 86 citations
  21. 2117Frank Gunschera18 patents · 109 citations
  22. 2213Bernd Kurt Masuch39 patents · 158 citations
  23. 238David Turner7 patents · 56 citations
  24. 244Martin Mayer20 patents · 134 citations
  25. 251Benjamin B. Robinson18 patents · 83 citations

All-time canon

Career PatentIndex Score in B41F

  1. 199Darko Pervan25 patents · 630 citations
  2. 296Tony Pervan25 patents · 630 citations
  3. 392Nathan Hale25 patents · 1,271 citations
  4. 488Ming Xu23 patents · 1,072 citations
  5. 583Helmut Kipphan25 patents · 1,074 citations
  6. 679Wittich Kaule7 patents · 594 citations
  7. 775John C. Seymour28 patents · 835 citations
  8. 871Glenn Alan Guaraldi39 patents · 1,171 citations
  9. 967Hans Ott16 patents · 886 citations
  10. 1063E. Michael Ackley29 patents · 1,117 citations
  11. 1158James Brian Vrotacoe29 patents · 817 citations
  12. 1254Charles R. Gasparrini17 patents · 730 citations
  13. 1350William M. Karlyn18 patents · 489 citations
  14. 1446Gerhard Loffler26 patents · 885 citations
  15. 1542Claus Simeth53 patents · 1,071 citations
  16. 1638Daniel J. Conrad8 patents · 417 citations
  17. 1733Joseph Kucherovsky8 patents · 417 citations
  18. 1829Robert J. Schleinz8 patents · 417 citations
  19. 1925Howard W. Demoore48 patents · 1,161 citations
  20. 2021Oded Zingher8 patents · 412 citations
  21. 2117Wolfgang Geissler18 patents · 608 citations
  22. 2213Anton Rodi57 patents · 1,170 citations
  23. 238Bernd Kistler11 patents · 466 citations
  24. 244Harald Bucher16 patents · 501 citations
  25. 251Ronald E. Johnson9 patents · 473 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth