DH

Donald O. Hitzman

PP Phillips Petroleum: 19 patents #75 of 1,401Top 6%
GT Geo-Microbial Technologies: 6 patents #1 of 5Top 20%
PR Provesta: 4 patents #1 of 5Top 20%
📍 Bartlesville, OK: #46 of 1,143 inventorsTop 5%
🗺 Oklahoma: #168 of 12,736 inventorsTop 2%
Overall (All Time): #103,877 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
4399223 Cellular product separation John W. Vanderveen, Eugene H. Wegner 1983-08-16
4380584 Fermentation apparatus 1983-04-19
4342835 Fermentation process and apparatus Thomas R. Hopkins 1982-08-03
4340677 Fermentation process 1982-07-20
RE30965 Fermentation of oxygenated hydrocarbon compounds with thermophilic microorganisms and microorganisms therefor 1982-06-08
4302542 Fermentation with thermophilic mixed cultures 1981-11-24
4261420 Enriched oil recovery using carbon dioxide 1981-04-14
RE30543 Methanol foam fermentation to single cell protein by Pseudomonas methanica Eugene H. Wegner 1981-03-10
RE30272 Recovery of cellular protein products from microbiological synthesis masses 1980-05-13