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

Marvin E. Tester — 3 Patents

CTCombustion Tec: 1 patents #8 of 14Top 60%
MTMidrex Technologies: 1 patents #21 of 34Top 65%
Charlotte, NC: #1,347 of 4,868 inventorsTop 30%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Marvin E. Tester has been granted 3 US patents while listed as an inventor at Combustion Tec. The first was granted in 1993 and the most recent in February 2003. Marvin E. Tester ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Marvin E. Tester in Charlotte, NC, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6524356 Method and apparatus for producing reformed gases Donald Fournier, Gregory Hughes 2003-02-25
5997596 Oxygen-fuel boost reformer process and apparatus Mahendra Joshi, Donald Fournier 1999-12-07
5222447 Carbon black enriched combustion Mahendra Joshi 1993-06-29 $9,537,000