Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306548 | Full tubing inner-diameter spin-through rod centralizers | — | 2022-04-19 |
| 10167682 | Coupling mounted spin-through rod centralizer | — | 2019-01-01 |
| 10030453 | Device for the connection of rods for rotational drive of a downhole pumping apparatus | — | 2018-07-24 |
| 9689243 | Progressive cavity pump with free pump rotor | — | 2017-06-27 |
| 9581000 | Shaft seal pressure compensation apparatus | — | 2017-02-28 |
| 9470075 | System and method for direct drive pump | — | 2016-10-18 |
| 9447666 | Rod attached apparatus for connecting a rotating drive rod string to a downhole assembly | — | 2016-09-20 |
| 9447665 | Apparatus for connecting and disconnecting a downhole assembly | — | 2016-09-20 |
| 8776639 | Spur gear power sharing gear sets | — | 2014-07-15 |
| D697400 | Tubular container with removable lids | Jeffrey Ray Bragalone, Lee Miller | 2014-01-14 |
| 8336632 | System and method for direct drive pump | Raymond L. Witten | 2012-12-25 |
| 8118089 | Down hole delivery system | — | 2012-02-21 |
| 6619157 | Fluid actuated system for balancing of loads in multi-path geared transmissions | — | 2003-09-16 |
| 6513402 | Multi-speed automotive transmission using paired helical gearing | Eric W. Laveen | 2003-02-04 |
| 6374689 | Continuous load balancing gear sets | — | 2002-04-23 |
| 6338691 | Gearing for power sharing in planetary transmission | — | 2002-01-15 |
| 6334368 | Multi-path gear sets with load sharing between paths | — | 2002-01-01 |
| 6189397 | Multi-speed automotive transmission using paired helical gearing | Eric William Daveen | 2001-02-20 |
| 6179743 | Gearing for power sharing in planetary transmission | — | 2001-01-30 |
| 5960886 | Deep well pumping apparatus | — | 1999-10-05 |
| 5927147 | Power sharing gear sets | — | 1999-07-27 |
| 5573063 | Deep well pumping apparatus | — | 1996-11-12 |
| D261421 | Humidifier for a hot air furnace or the like | — | 1981-10-20 |
| D261422 | Humidifier for a hot air furnace or the like | — | 1981-10-20 |
| D253845 | By-pass humidifier | — | 1980-01-01 |