Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9316355 | Cylinder preparation for high purity acetylene | Xuemei Song, Lloyd Anthony Brown, David C. Johnson | 2016-04-19 |
| 8398747 | Processes for purification of acetylene | Xuemei Song, Lloyd Anthony Brown | 2013-03-19 |
| 8377171 | Methods and systems for purifying gases | Lloyd Anthony Brown | 2013-02-19 |
| 8322383 | Cylinder preparation for high purity acetylene | Xuemei Song, Lloyd Anthony Brown, David C. Johnson | 2012-12-04 |
| 7740690 | Methods and systems for purifying gases | Lloyd Anthony Brown | 2010-06-22 |
| 4766938 | Method of shipping wet solids | Earl R. Beaver, Lawrence A. Stichweh | 1988-08-30 |
| 4627940 | Process for preparing a polyamide | Earl R. Beaver, J. Harvey Lester, Jr. | 1986-12-09 |