Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143331 | Butterfly valve and stem assembly | Norman Eger, Sidney A. Rovira, III | 2021-10-12 |
| RE47010 | Valve and stem sealing assembly | Norman Eger, Sidney A. Rovira, III | 2018-08-28 |
| 9512926 | Butterfly valve and stem sealing assembly | Norman Eger, Sidney A. Rovira, III | 2016-12-06 |
| D761393 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2016-07-12 |
| D756490 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2016-05-17 |
| D756491 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2016-05-17 |
| D756492 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2016-05-17 |
| D756493 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2016-05-17 |
| D755937 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2016-05-10 |
| D739921 | Bleed ring body | Norman Eger, Sidney A. Rovira, III | 2015-09-29 |
| 8910921 | Valve and stem sealing assembly | Norman Eger, Sidney A. Rovira, III | 2014-12-16 |
| 8702056 | Plug valve and stem sealing assembly | Norman Eger, Sideny A. Rovira, III | 2014-04-22 |
| 6390119 | Manway cover system | Edward A. Sentilles, III | 2002-05-21 |
| 6227223 | Valve and actuator in combination | Edward A. Sentilles, III | 2001-05-08 |
| 6053200 | Process instrument isolation valve | Edward A. Sentilles, III | 2000-04-25 |
| 5924672 | Valve and actuator in combination | Edward A. Sentilles, III | 1999-07-20 |
| 5762088 | Method and apparatus for gauging clearance on a tanker railcar checkvalve | Edward A. Sentilles, III | 1998-06-09 |
| 5673897 | Valve/actuator combination | Edward A. Sentilles, III | 1997-10-07 |