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

David Sheldon — 5 Patents

GEGeotek: 2 patents #4 of 15Top 30%
VEVulcan Engineering: 2 patents #1 of 14Top 8%
Helena, AL: #6 of 53 inventorsTop 15%
Alabama: #1,539 of 10,951 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Sheldon has been granted 5 US patents while listed as an inventor at Geotek. The first was granted in 2001 and the most recent in April 2021. David Sheldon ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Sheldon in Helena, AL, US.

Patents per Year

Patents granted per year, 2001 to 2021Bar chart with a peak of 3 patents in 2001.peak 32001: 3 patents20012020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10968656 Support member for supporting electrical power lines Tyler R. Burbank, Ricardo Felty, Bruce Blumentritt, Eugene Flowers, Brian Hornberg +1 more 2021-04-06
10597894 Support member for supporting electrical power lines Tyler R. Burbank, Ricardo Felty, Bruce Blumentritt, Eugene Flowers, Brian Hornberg +1 more 2020-03-24
6318447 Sand gate for use in a sand distribution apparatus 2001-11-20
6302158 Sand level sensing and distribution apparatus 2001-10-16
6179171 Sand distribution apparatus for use in foundry operation Gregory L. Ferguson 2001-01-30