Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605214 | Method and system for extracting catalyst fines from slurry oil cat fine bottoms | — | 2017-03-28 |
| 9251634 | Authentication method and system | Jay Fraser | 2016-02-02 |
| 9064260 | Authentication method and system | Jay Fraser | 2015-06-23 |
| 8886946 | Authentication method and system | Jay Fraser | 2014-11-11 |
| 8205633 | Collets for use with valves | Paul Russell Dalluge | 2012-06-26 |
| 8171567 | Authentication method and system | Jay Fraser | 2012-05-01 |
| 7244364 | FCC-CFD cat' fine desalting: a method and system for separating hydrocarbons and extracting catalyst fines from a slurry oil/catalyst fines/diluent mixture | — | 2007-07-17 |
| 6142160 | Method for dispersing and removing sludge contained in a storage tank | M. Craig Winslow | 2000-11-07 |
| 5868378 | Throttling control in a fluid control valve | Timothy A. McMahon, Charles R. Kuhlman | 1999-02-09 |
| 5400825 | Rotary noise attenuator | Douglas P. Gethmann, Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas | 1995-03-28 |
| 5332004 | Rotary noise attenuator | Douglas P. Gethmann, Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas | 1994-07-26 |
| 5193583 | Rotary noise attenuator | Douglas P. Gethmann, Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas | 1993-03-16 |
| 5016857 | Control element for a ball valve | Loren L. Bovee | 1991-05-21 |