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

Charles A. Stead — 1 Patent

STScroll Technologies: 1 patents #31 of 60Top 55%
Arkadelphia, AR: #25 of 55 inventorsTop 50%
Arkansas: #2,854 of 5,804 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Charles A. Stead has been granted 1 US patent while listed as an inventor at Scroll Technologies. All of these patents were granted in 2001. Charles A. Stead ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Charles A. Stead in Arkadelphia, AR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6190138 Flow valve for correcting reverse rotation in scroll compressor Jason Hugenroth, Thomas R. Barito 2001-02-20