Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Willis C. Bradley — 8 Patents

LELenjoy Engineering: 7 patents #1 of 4Top 25%
Gardena, CA: #41 of 346 inventorsTop 15%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Willis C. Bradley has been granted 8 US patents while listed as an inventor at Lenjoy Engineering. The first was granted in 1999 and the most recent in February 2006. Willis C. Bradley ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Willis C. Bradley in Gardena, CA, US.

Patents per Year

Patents granted per year, 1999 to 2006Bar chart with a peak of 3 patents in 2000.peak 31999: 1 patents19992000: 3 patents20002001: 2 patents20012004: 1 patents20042006: 1 patents2006

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6993808 Adjustable hinges for orthopedic splints John E. Bennett 2006-02-07
6705815 Self-feeder for the handicapped John E. Bennett 2004-03-16
6311942 Bedside cane holder Leah Rotter 2001-11-06
6245034 Adjustable resistance orthopedic splint John E. Bennett 2001-06-12
6113189 Reclining seat back attachment for wheelchair John E. Bennett 2000-09-05
D424253 Orthopedic splint for animal leg Leah Rotter 2000-05-02
6035462 Portable commode seat with lift assist John E. Bennett 2000-03-14
5873847 Articulated splints and goniometric hinge for the same John E. Bennett 1999-02-23