Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251971 | Thermal insulation coating for pipes | Chaofeng Chen | 2001-06-26 |
| 6065781 | Method and apparatus for protecting the weld area of polyolefin coated pipe | — | 2000-05-23 |
| 5621025 | Polymer concrete coating for pipe tubular shapes, other metal members and metal structures | Thomas J. Toerner, Bang T. Tran | 1997-04-15 |
| 5573855 | Polymer concrete coating for pipe, tubular shapes, other metal members and metal structures | Bang T. Tran, Thomas J. Toerner | 1996-11-12 |
| 5145289 | Reduced J-tube riser pull force | — | 1992-09-08 |
| 5035922 | Reduced J-tube riser pull force | — | 1991-07-30 |
| 4338044 | Prevention of sliding of a weight jacket over the corrosion coating of a pipe line | — | 1982-07-06 |
| 4234629 | Method for improving the removal of oil from surfaces | — | 1980-11-18 |
| 4223691 | Additives to improve the pipeline transportation of cold water slurries | — | 1980-09-23 |
| 4212312 | Fragmented polymers as friction reducers in pipeline transportation of products | — | 1980-07-15 |
| 4210422 | Removal of sulfur compounds from coal during pipeline transport | — | 1980-07-01 |