Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Carl E. Steele — 1 Patent

HCHcr: 1 patents #3 of 11Top 30%
Lewistown, MT: #11 of 19 inventorsTop 60%
Montana: #1,512 of 3,198 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Carl E. Steele has been granted 1 US patent while listed as an inventor at Hcr. All of these patents were granted in 2012. Carl E. Steele ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Carl E. Steele in Lewistown, MT, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8287337 Cold storage doorway with airflow control system and method Peter Richard Smith, Daniel J. Rhyner 2012-10-16