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

William L. Lock — 1 Patent

HEHeaters Engineering: 1 patents #3 of 9Top 35%
North Webster, IN: #18 of 30 inventorsTop 60%
Indiana: #19,553 of 33,936 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
William L. Lock has been granted 1 US patent while listed as an inventor at Heaters Engineering. All of these patents were granted in 1996. William L. Lock ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William L. Lock in North Webster, IN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5521357 Heating device for a volatile material with resistive film formed on a substrate and overmolded body Dennis DuBois 1996-05-28