JH

John William Hemmings

AL Aeci Limited: 2 patents #8 of 72Top 15%
PT Praxair Technology: 1 patents #513 of 918Top 60%
📍 Fripp Island, SC: #2 of 7 inventorsTop 30%
🗺 South Carolina: #1,909 of 15,501 inventorsTop 15%
Overall (All Time): #597,489 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12234413 Desulfurization process of waste tire pyrolysis oil to produce fuel Henrik Selstam, Jorge Moreno Trejo 2025-02-25
12157858 Process for production of useful hydrocarbon materials from plastic waste 2024-12-03
11898111 Process for production of useful hydrocarbon materials from plastic waste and reaction system therefor 2024-02-13
8466332 Method and apparatus for microwave depolymerization of hydrocarbon feedstocks Thomas Pinto, Viktor Sharivker 2013-06-18
8378161 Method and apparatus for microwave depolymerization of hydrocarbon feedstocks Thomas Pinto, Viktor Sharivker 2013-02-19
7686856 Method and apparatus for producing synthesis gas Leo Bonnell, Earl T. Robinson 2010-03-30
5067972 Purification of gases Peter Allan, Gerald M. O'Shaughnessy 1991-11-26
4623370 Gas treatment process Peter A. Allen 1986-11-18