JH

John A. Hamshar

CP Canadian Occidental Petroleum: 10 patents #2 of 52Top 4%
CS Cities Service: 2 patents #7 of 44Top 20%
📍 Owasso, OK: #17 of 206 inventorsTop 9%
🗺 Oklahoma: #834 of 12,736 inventorsTop 7%
Overall (All Time): #429,328 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5340467 Process for recovery of hydrocarbons and rejection of sand Armand A. Gregoli, Daniel P. Rimmer, Erdal Yildirim, Andrew M. Olah 1994-08-23
5316664 Process for recovery of hydrocarbons and rejection of sand Armand A. Gregoli, Daniel P. Rimmer, Erdal Yildirim 1994-05-31
5283001 Process for preparing a water continuous emulsion from heavy crude fraction Armand A. Gregoli, Daniel P. Rimmer 1994-02-01
5263848 Preparation of oil-in-aqueous phase emulsion and removing contaminants by burning Armand A. Gregoli, Andrew M. Olah, Daniel P. Rimmer 1993-11-23
5110443 Converting heavy hydrocarbons into lighter hydrocarbons using ultrasonic reactor Armand A. Gregoli, Andrew M. Olah, Daniel P. Rimmer 1992-05-05
5083613 Process for producing bitumen Armand A. Gregoli, Andrew M. Olah, Daniel P. Rimmer, Erdal Yildirim 1992-01-28
4983319 Preparation of low-viscosity improved stable crude oil transport emulsions Armand A. Gregoli, Andrew M. Olah, Daniel P. Rimmer 1991-01-08
4978365 Preparation of improved stable crude oil transport emulsions Armand A. Gregoli, Andrew M. Olah, Christopher J. Riley, Daniel P. Rimmer 1990-12-18
4966235 In situ application of high temperature resistant surfactants to produce water continuous emulsions for improved crude recovery Armand A. Gregoli, Andrew M. Olah, Daniel P. Rimmer 1990-10-30
4725287 Preparation of stable crude oil transport emulsions Armand A. Gregoli, Andrew M. Olah, Christopher J. Riley, Daniel P. Rimmer 1988-02-16
4415431 Integrated oxygasification and hydropyrolysis process for producing liquid and gaseous hydrocarbons Richard S. Matyas 1983-11-15
4389388 Desulfurization of petroleum coke Charles P. Goforth 1983-06-21