Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183782 | Adjustable neutral bars and adjustable neutral bar assemblies | Alan Douglas Beck, Jonathan Isaiah Speicher | 2021-11-23 |
| 9435383 | Universal joint with cooling system | Dale H. Parrett, Adam Downey, David Pitsch | 2016-09-06 |
| 8256697 | Seal assembly with shroud | — | 2012-09-04 |
| 8215014 | Method for making a stator | — | 2012-07-10 |
| 8182252 | Progressing cavity pump with split stator | Yuan Yu Cheng | 2012-05-22 |
| 7607903 | Stator tube removal and installation device | — | 2009-10-27 |
| 7553139 | Progressing cavity pump with wobble stator and magnetic drive | Jose L. Sandoval | 2009-06-30 |
| 6912764 | Stator tube removal and installation device | — | 2005-07-05 |
| 6622381 | Method of manipulating a pump | — | 2003-09-23 |