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

Wayne A. Campbell — 3 Patents

PRPrc: 1 patents #12 of 42Top 30%
3M: 1 patents #7,251 of 11,543Top 65%
London, CA: #326 of 1,223 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Wayne A. Campbell has been granted 3 US patents while listed as an inventor at 3M. The first was granted in 1987 and the most recent in April 2006. Wayne A. Campbell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Wayne A. Campbell in London, ON, CA.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7021414 Birdcage bearing assembly and suspension connection for a high performance vehicle 2006-04-04
6839850 Method and system for detecting intrusion into and misuse of a data processing system Jeffrey Walker 2005-01-04
4665920 Skeletal tissue stimulator and a low voltage oscillator circuit for use therein 1987-05-19 $7,398,000