Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297123 | Detection of anomalous movement in a reciprocating device | Roger A. Hala, L John Kitchens, Jr., Stephen Edward Plaisance | 2012-10-30 |
| 8203350 | Apparatus and method for direct measurement of reciprocating compressor rider band wear | Roger A. Hala | 2012-06-19 |
| 8161800 | Methods and systems for valve leak simulation | Sean Kelly Summers, Roger A. Hala, John Grant, David R. Van Wagenen | 2012-04-24 |
| 8147211 | Method and system for monitoring a reciprocating compressor valve | John Grant, Olga Malakhova, Roger A. Hala | 2012-04-03 |
| 7418355 | Method and system for monitoring a piston rod | John Grant, Olga Malakhova, Roger A. Hala | 2008-08-26 |
| 6937941 | Impulse monitoring system: apparatus and method | Roger A. Hala | 2005-08-30 |