Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125759 | Flexible hose for bellows pressure equalizer of electrical submersible well pump | Steven W. Pyron, Robert Clay Patterson, Kevin R. Bierig | 2018-11-13 |
| 9366120 | Bladder stress reducer cap | Dan A. Merrill, Steven W. Pyron, Jimmy J. Donnell, Kevin R. Bierig | 2016-06-14 |
| 8932034 | Well pump with seal section having a labyrinth flow path in a metal bellows | Dan A. Merrill | 2015-01-13 |
| 8641389 | Stacked labyrinth chambers for use with an electrical submersible pump | Dan A. Merrill | 2014-02-04 |