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

Joseph B. Mitchell — 1 Patent

Chevron: 1 patents #2,625 of 4,788Top 55%
Paso Robles, CA: #92 of 169 inventorsTop 55%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Joseph B. Mitchell has been granted 1 US patent while listed as an inventor at Chevron. All of these patents were granted in 1988. Joseph B. Mitchell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Joseph B. Mitchell in Paso Robles, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4726937 Recovery of nickel chloride and sulfur from waste products Fan-Sheng Teddy Tao 1988-02-23 $21,390,000