Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David F. Mitchell — 5 Patents

Basf Se: 5 patents #3,244 of 13,826Top 25%
Asheville, NC: #111 of 539 inventorsTop 25%
North Carolina: #10,126 of 45,564 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David F. Mitchell has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 1995 and the most recent in February 2002. David F. Mitchell ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David F. Mitchell in Asheville, NC, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6344167 Process for the production of superconductor containing filaments Olli Tuominen, Matthew B. Hoyt, Carol W. Morgan, Clyde Gordon Roberts, Robert A. Tyler 2002-02-05 $531,000
5458663 Apparatus for removing emissions by condensation and precipitation Beth O. Teague, Joseph T. Flack, Dennis G. Shealy 1995-10-17
5433761 Energy efficient apparatus for removing emissions Beth O. Teague, Joseph T. Flack, Dennis G. Shealy 1995-07-18
5433769 Energy efficient process for removing emissions Beth O. Teague, Joseph T. Flack, Dennis G. Shealy 1995-07-18
5431715 Process for removing emissions by condensation and precipitation Beth O. Teague, Joseph T. Flack, Dennis G. Shealy 1995-07-11