Topic leaderboard

A47K

Sanitary equipment & toilet accessories

Ranked by the PatentIndex Score — a 1–99 percentile within A47K · public-visibility date · generated 2026

Rising· last 2 yrs

Inventors whose newest A47K patents became public in the last 2 years — the current frontier

  1. 199Heiner Ophardt160 patents · 4,871 citations
  2. 296Paul Francis Tramontina67 patents · 2,143 citations
  3. 392Richard P. Lewis61 patents · 2,362 citations
  4. 488Cleary E. Mahaffey22 patents · 615 citations
  5. 583Frank Yang30 patents · 892 citations
  6. 679Joseph Sandor24 patents · 709 citations
  7. 775Charles Agnew Osborne, Jr.54 patents · 694 citations
  8. 871David A. Hoadley10 patents · 223 citations
  9. 967Andrew Jones61 patents · 751 citations
  10. 1063Steven R. Olson8 patents · 160 citations
  11. 1158Matthew J. Archer24 patents · 233 citations
  12. 1254Katie Kristine Glass12 patents · 179 citations
  13. 1350Thomas J. Daul8 patents · 125 citations
  14. 1446Angela Marie Leimbach9 patents · 117 citations
  15. 1542Gustav Andre Mellin10 patents · 103 citations
  16. 1638Nick E. Ciavarella109 patents · 874 citations
  17. 1733Mark Alan Burazin24 patents · 235 citations
  18. 1829Panagiotis Zosimadis14 patents · 170 citations
  19. 1925Paul Dennis Trokhan20 patents · 295 citations
  20. 2021Robert Kling22 patents · 176 citations
  21. 2117Nathan John Vogel17 patents · 157 citations
  22. 2213Kevin Joseph Vogt38 patents · 182 citations
  23. 238Mark William Sachs25 patents · 167 citations
  24. 244Frederick J. Lang6 patents · 163 citations
  25. 251Kathryn Christian Kien14 patents · 116 citations

Active· last 5 yrs

Sustained A47K output across the last 5 years

  1. 199Adam T. Elliott29 patents · 1,715 citations
  2. 296Heiner Ophardt160 patents · 4,871 citations
  3. 392Michel Morand31 patents · 1,747 citations
  4. 488Paul Francis Tramontina67 patents · 2,143 citations
  5. 583Richard P. Lewis61 patents · 2,362 citations
  6. 679Aaron R. Reynolds29 patents · 844 citations
  7. 775Cleary E. Mahaffey22 patents · 615 citations
  8. 871Jackson W. Wegelin71 patents · 691 citations
  9. 967Frank Yang30 patents · 892 citations
  10. 1063Joseph Sandor24 patents · 709 citations
  11. 1158Maurice Granger74 patents · 1,775 citations
  12. 1254Chip W. Curtis20 patents · 290 citations
  13. 1350Charles Agnew Osborne, Jr.54 patents · 694 citations
  14. 1446Joseph S. Kanfer7 patents · 561 citations
  15. 1542David A. Hoadley10 patents · 223 citations
  16. 1638Andrew Jones61 patents · 751 citations
  17. 1733William T. Ball18 patents · 420 citations
  18. 1829Antonio M. Cittadino33 patents · 568 citations
  19. 1925Steven R. Olson8 patents · 160 citations
  20. 2021Mark E. Rosenkranz21 patents · 491 citations
  21. 2117Matthew J. Archer24 patents · 233 citations
  22. 2213Katie Kristine Glass12 patents · 179 citations
  23. 238Thomas J. Daul8 patents · 125 citations
  24. 244Thomas Gerard Shannon14 patents · 281 citations
  25. 251Filip Sedic10 patents · 120 citations

All-time canon

Career PatentIndex Score in A47K

  1. 199John R. Moody44 patents · 4,132 citations
  2. 296Dennis J. Gallant11 patents · 1,348 citations
  3. 392Timothy D. Wildman10 patents · 1,331 citations
  4. 488Phill Hausman5 patents · 1,144 citations
  5. 583Jody Lynn Hoying14 patents · 1,550 citations
  6. 679Adam T. Elliott29 patents · 1,715 citations
  7. 775Heiner Ophardt160 patents · 4,871 citations
  8. 871John Joseph Curro14 patents · 1,388 citations
  9. 967Robert Haines Turner14 patents · 1,388 citations
  10. 1063John Lee Hammons13 patents · 1,308 citations
  11. 1158Susan Nicole Lloyd12 patents · 1,238 citations
  12. 1254Alain P. Cotnoir9 patents · 994 citations
  13. 1350Dannie D. Byrd7 patents · 864 citations
  14. 1446Victor Mendelsberg7 patents · 864 citations
  15. 1542Andrew R. Morris13 patents · 1,073 citations
  16. 1638John S. Formon42 patents · 1,846 citations
  17. 1733Douglas W. Johnson9 patents · 1,893 citations
  18. 1829Joshua Michael Broehl14 patents · 969 citations
  19. 1925Dale T. Gracyalny7 patents · 1,722 citations
  20. 2021Daniel C. Shaw5 patents · 966 citations
  21. 2117Dennis J. Denen10 patents · 676 citations
  22. 2213John Knittle10 patents · 676 citations
  23. 238James H. Murphy6 patents · 662 citations
  24. 244Thomas N. Kershaw7 patents · 1,605 citations
  25. 251Robert P. Julius15 patents · 1,267 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth