Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315497 | Joint for applying current across a pipe-in-pipe system | Robert H. Wittman, Carl Gottlieb Langner | 2001-11-13 |
| 6292627 | Electrical heating of pipelines with pipe-in-pipe and mid-line connector | Robert T. Gilchrist, Jr. | 2001-09-18 |
| 6278095 | Induction heating for short segments of pipeline systems | Frans Kopp | 2001-08-21 |
| 6278096 | Fabrication and repair of electrically insulated flowliness by induction heating | — | 2001-08-21 |
| 6264401 | Method for enhancing the flow of heavy crudes through subsea pipelines | Carl G. Langner | 2001-07-24 |
| 6179523 | Method for pipeline installation | Carl Gottlieb Langner | 2001-01-30 |
| 6171025 | Method for pipeline leak detection | Carl Gottlieb Langner | 2001-01-09 |
| 6142707 | Direct electric pipeline heating | Carl Gottlieb Langner | 2000-11-07 |
| 6138752 | Method and apparatus to determine subterrranean formation stress | Arthur William Galloway | 2000-10-31 |
| 6057376 | Process to prepare low density porous crosslinked polymeric materials | Thomas F. Brownscombe | 2000-05-02 |
| 5962779 | Method for determining tire inflation status | — | 1999-10-05 |
| 5929349 | Inspection tool for measuring wall thickness of underground storage tanks | James Donald Haupt, Timothy C. Hurley, Richard A. Littlefield, Paul A. Westbrook | 1999-07-27 |
| 5753810 | Method and apparatus for determining tire inflation status | — | 1998-05-19 |
| 5670101 | Process to prepare foams from high internal phase emulsions | Nazim S. Nathoo, Thomas F. Brownscombe | 1997-09-23 |
| 5646193 | Process to prepare two phase foam compositions and two phase foam compositions | Thomas F. Brownscombe, Pui K. Wong, George C. Blytas, William P. Gergen, Maryanne Mores | 1997-07-08 |
| 5394738 | Use of viscosity as an in-line diagnostic for high internal phase emulsion generation | Thomas F. Brownscombe | 1995-03-07 |
| 5358974 | Process for preparing low density porous crosslinked polymeric materials | Thomas F. Brownscombe, Larry S. Corley | 1994-10-25 |
| 5306734 | Use of viscosity as an in-line diagnostic for high internal phase emulsion generation | Thomas F. Brownscombe | 1994-04-26 |
| 5290820 | Process for preparing low density porous crosslinked polymeric materials | Thomas F. Brownscombe, Larry S. Corley | 1994-03-01 |
| 5252619 | Process for preparing low density porous crosslinked polymeric materials | Thomas F. Brownscombe | 1993-10-12 |
| 5210104 | Process for preparing low density porous crosslinked polymeric materials | Thomas F. Brownscombe | 1993-05-11 |
| 5207273 | Method and apparatus for pumping wells | Gordon O. Cates, Kenneth J. Schmitt | 1993-05-04 |
| 5189070 | Process for preparing low density porous crosslinked polymeric materials | Thomas F. Brownscombe, William P. Gergen, Maryanne Mores, Pui K. Wong | 1993-02-23 |
| 5132917 | Method and apparatus for the combined use of dual density measurements to achieve a fast and accurate density measurement in pneumatically transported solids | — | 1992-07-21 |
| 4999637 | Creation of artificial ionization clouds above the earth | — | 1991-03-12 |