DH

Donald P. Hosman

PE Petroferm: 3 patents #4 of 18Top 25%
CO Conoco: 2 patents #177 of 638Top 30%
📍 Ponca City, OK: #93 of 444 inventorsTop 25%
🗺 Oklahoma: #2,171 of 12,736 inventorsTop 20%
Overall (All Time): #1,045,862 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6187729 Cleaning composition comprising solvating agent and rinsing agent Michael E. Hayes, Kevin R. Hrebenar, Robert D. Sell 2001-02-13
5716457 Cleaning with solvating and rinsing agents Michael E. Hayes, Kevin R. Hrebenar, Robert D. Sell 1998-02-10
5679175 Cleaning process including use of solvating and rinsing agents Michael E. Hayes, Kevin R. Hrebenar, Robert D. Sell 1997-10-21
5028574 Composition and method for friction loss reduction Donald E. Gessell 1991-07-02
4945142 Composition and process for friction loss reduction Donald E. Gessell 1990-07-31