Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WM

William D. Mitchell — 7 Patents

Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
William D. Mitchell has been granted 7 US patents. The first was granted in 1987 and the most recent in January 2024. William D. Mitchell ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list William D. Mitchell in Glasgow, CA, GB.

Patents per Year

Patents granted per year, 1987 to 2024Bar chart with a peak of 2 patents in 1996.peak 21987: 1 patents19871989: 1 patents19891991: 1 patents19911996: 2 patents19962019: 1 patents20192024: 1 patents2024

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11867552 Animal weighing system 2024-01-09
D844695 Combined cash counter and printer Douglas Brooks Deans 2019-04-02
5551355 Needle incinerator Ralph Haines, Klaus Heidelberger, Brian Lang, Petar Stancu 1996-09-03
D372967 Combined ceiling fan and stand therefor 1996-08-20
5016858 Hydraulic lift mechanism for camper shells 1991-05-21
4863108 Animal excrement dissolver 1989-09-05
4700814 Locking device for reciprocating members 1987-10-20