Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053082 | Process and apparatus for cleaning particulate solids | David A. Flanigan, Joe K. Heilhecker | 1991-10-01 |
| 5005655 | Partially halogenated ethane solvent removal of oleophylic materials from mineral particles | Olaf M. Stokke, David A. Flanigan, Robert B. Ramsey, Jr., John Huycke | 1991-04-09 |
| 4867238 | Recovery of viscous oil from geological reservoirs using hydrogen peroxide | Jack H. Bayless | 1989-09-19 |
| 4840982 | Polymer blends containing ionomeric elastomers | John R. Campbell, Sterling B. Brown, Paul M. Conroy, Robert Florence | 1989-06-20 |
| 4836302 | Apparatus and method for removing and recovering oil and/or other oil-based drilling mud additives from drill cuttings | Joe K. Heilhecker, William H. Marshall | 1989-06-06 |
| 4767218 | Mixing paddle assembly | Joseph J. Palus | 1988-08-30 |
| 4674224 | Fishing lure | — | 1987-06-23 |
| 4612910 | Ice fishing hole heater | — | 1986-09-23 |
| 4588805 | Sulfonate-terminated polyimides and polyamic acids and method for their preparation | — | 1986-05-13 |
| 4575426 | Method and apparatus employing oleophilic brushes for oil spill clean-up | Lee A. Littlejohn, Keith F. Kruk, Thomas F. Bailey | 1986-03-11 |
| 4557971 | Multiple layered markable and self-adhereable tape | — | 1985-12-10 |
| 4533744 | Hydrosilylation method, catalyst and method for making | — | 1985-08-06 |
| 4525567 | Ionically cross-linked siloxane polymers | John R. Campbell | 1985-06-25 |
| 4523002 | Ionically cross-linked siloxane polymers | John R. Campbell | 1985-06-11 |
| 4503160 | Hydrosilylation method, catalyst and method for making | — | 1985-03-05 |
| 4496705 | Synthesis of zwitterionic siloxane polymers | Robert Florence, John R. Campbell | 1985-01-29 |
| 4493926 | Dissociating ionically cross-linked siloxane polymers | John R. Campbell | 1985-01-15 |
| 4447630 | Method for making cyclopolydimethylsiloxanes | — | 1984-05-08 |
| 4412080 | Methods for preparing cyclopolysiloxanes | — | 1983-10-25 |
| 4412081 | Methods for preparing decamethyl cyclopentasiloxane | — | 1983-10-25 |
| 4351877 | Multiple layered laminated strippable tape | — | 1982-09-28 |
| 4198300 | Apparatus for removing suspended oil droplets from water | — | 1980-04-15 |