Topic leaderboard

A47L

Domestic washing, cleaning & suction cleaners

Ranked by the PatentIndex Score — a 1–99 percentile within A47L · public-visibility date · generated 2026-07-19

Rising· last 2 yrs

Inventors whose newest A47L patents became public in the last 2 years — the current frontier

  1. 199Donald R. High45 patents · 1,016 citations
  2. 296Dave Petersen73 patents · 2,555 citations
  3. 392Michael D. Atchley33 patents · 834 citations
  4. 488David C. Winkle32 patents · 751 citations
  5. 583Kenneth M. Lenkiewicz46 patents · 1,568 citations
  6. 679Jeffrey W. Mammen25 patents · 1,132 citations
  7. 775Karl Kay10 patents · 256 citations
  8. 871Gary Dean Ragner11 patents · 657 citations
  9. 967Marcus Williams34 patents · 556 citations
  10. 1063Aaron P. Griffith26 patents · 553 citations
  11. 1158Jung-Gyun Han66 patents · 1,974 citations
  12. 1254Jianjun Ge22 patents · 303 citations
  13. 1350Jincheng Xia20 patents · 279 citations
  14. 1446Yongsheng Liang18 patents · 258 citations
  15. 1542Zhenjiang Yin16 patents · 257 citations
  16. 1638Kam Hoi Ma18 patents · 343 citations
  17. 1733Ali Ebrahimi Afrouzi91 patents · 806 citations
  18. 1829Colin Angle10 patents · 353 citations
  19. 1925Jason B. Thorne98 patents · 684 citations
  20. 2021Sebastian Schweigert19 patents · 391 citations
  21. 2117Bohyun Nam98 patents · 339 citations
  22. 2213Jungbae Hwang98 patents · 338 citations
  23. 238Jinju Kim61 patents · 294 citations
  24. 244Namhee Kim60 patents · 278 citations
  25. 251Hyeonjeong An45 patents · 199 citations

Active· last 5 yrs

Sustained A47L output across the last 5 years

  1. 199Gregg W. Landry25 patents · 1,239 citations
  2. 296Michael F. Wright67 patents · 4,746 citations
  3. 392Donald R. High45 patents · 1,016 citations
  4. 488Dave Petersen73 patents · 2,555 citations
  5. 583Mark Steven Schnittman23 patents · 949 citations
  6. 679Michael D. Atchley33 patents · 834 citations
  7. 775Gary A. Kasper68 patents · 2,952 citations
  8. 871Eric C. Huffman41 patents · 2,141 citations
  9. 967David C. Winkle32 patents · 751 citations
  10. 1063Kenneth M. Lenkiewicz46 patents · 1,568 citations
  11. 1158Jeffrey W. Mammen25 patents · 1,132 citations
  12. 1254Andrea M. Okerholm9 patents · 513 citations
  13. 1350Karl Kay10 patents · 256 citations
  14. 1446Charles A. Reed, Jr.36 patents · 1,859 citations
  15. 1542David Orrin Swett13 patents · 478 citations
  16. 1638Jason Yan21 patents · 893 citations
  17. 1733Russell Walter Morin29 patents · 700 citations
  18. 1829Shuvro Chakrobartty14 patents · 237 citations
  19. 1925Stephen A. Hickey23 patents · 474 citations
  20. 2021Michael Dooley28 patents · 671 citations
  21. 2117Donald Joseph Legatt26 patents · 905 citations
  22. 2213Gary Dean Ragner11 patents · 657 citations
  23. 238Dana Paul Gruenbacher10 patents · 866 citations
  24. 244Moo Hyun Ko26 patents · 840 citations
  25. 251Faruk Halil Bursal16 patents · 470 citations

All-time canon

Career PatentIndex Score in A47L

  1. 199Philip R. Mass32 patents · 3,559 citations
  2. 296David M. Nugent16 patents · 2,049 citations
  3. 392Newton E. Mack16 patents · 2,049 citations
  4. 488Christopher John Morse25 patents · 1,854 citations
  5. 583Zivthan A. Dubrovsky22 patents · 1,209 citations
  6. 679Gregg W. Landry25 patents · 1,239 citations
  7. 775Andrew Jones15 patents · 1,249 citations
  8. 871Michael F. Wright67 patents · 4,746 citations
  9. 967Nobukazu Kawagoe8 patents · 2,359 citations
  10. 1063Jang-Youn Ko29 patents · 2,743 citations
  11. 1158Helmut Gerhard Conrad22 patents · 2,332 citations
  12. 1254Wilbur Cecil Strickland, Jr.15 patents · 1,251 citations
  13. 1350Donald R. High45 patents · 1,016 citations
  14. 1446Dave Petersen73 patents · 2,555 citations
  15. 1542Mark Steven Schnittman23 patents · 949 citations
  16. 1638Michael D. Atchley33 patents · 834 citations
  17. 1733Charles J. Thur33 patents · 1,869 citations
  18. 1829Timothy E. Kasen19 patents · 1,913 citations
  19. 1925Gary A. Kasper68 patents · 2,952 citations
  20. 2021Edward L. Thies32 patents · 1,699 citations
  21. 2117Chad T. Vanderroest33 patents · 1,044 citations
  22. 2213Jay C. Landsiedel19 patents · 995 citations
  23. 238Vincent P. Gurubatham26 patents · 984 citations
  24. 244Christopher J. Carlson20 patents · 737 citations
  25. 251Eric C. Huffman41 patents · 2,141 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth