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

Phillip Mitchell — 10 Patents

KAKamyr: 7 patents #13 of 99Top 15%
Opelika, AL: #13 of 100 inventorsTop 15%
Alabama: #676 of 10,951 inventorsTop 7%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Phillip Mitchell has been granted 10 US patents while listed as an inventor at Kamyr. The first was granted in 1985 and the most recent in July 1993. Phillip Mitchell ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Phillip Mitchell in Opelika, AL, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5229085 Utilization of oxygen in leaching and/or recovery procedures employing carbon Robert J. Brison, Carl L. Elmore 1993-07-20
4955482 Screen cleaning in cil & cip systems Carl L. Elmore 1990-09-11
4900430 Screen cleaning in CIL and CIP systems Carl L. Elmore 1990-02-13
4816234 Utilization of oxygen in leaching and/or recovery procedures employing carbon Robert J. Brison, Carl L. Elmore 1989-03-28
4807854 Leaching solution distribution arm and control therefor 1989-02-28
4754953 Utilization of oxygen in leaching and/or recovery procedures employing carbon Robert J. Brison, Carl L. Elmore 1988-07-05
4729425 Cooling bladder assembly for mixing mill 1988-03-08
4721526 Heap leaching with oxygen Carl L. Elmore, Robert J. Brison 1988-01-26
4589778 Stirring device for sand mill 1986-05-20
4499445 Stirring device for sand mill 1985-02-12