Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781673 | Base pipes for sand control screen assemblies | Namhyo Kim, Antonio Lazo | 2020-09-22 |
| 10450844 | Drainage layers for sand control screen assemblies | Namhyo Kim, Antonio Lazo | 2019-10-22 |
| 10184323 | Base pipes for sand control screen assemblies | Namhyo Kim, Antonio Lazo | 2019-01-22 |
| 6303562 | Compositions comprising 2-(2-hydroxyphenyl)benzenesulfinate and alkyl-substituted derivatives thereof | Qun Lin | 2001-10-16 |
| 5973195 | Surfactants derived from 2-(2-hydroxyphenyl)benzenesulfinate and alkyl-substituted derivatives | Qun Lin, Kurt Nielsen, Christopher C. Dooyema | 1999-10-26 |
| 5711373 | Method for recovering a hydrocarbon liquid from a subterranean formation | — | 1998-01-27 |