Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276284 | Electric submersible pump (ESP) assembly shaft coupling with axial load handling capability | Dezhi Zheng, Donn J. Brown, Wenjie Jie GUANG, Yuzhu Hu | 2025-04-15 |
| D1052835 | Vacuum conduit pipe adapter | Matthew A. Williams, Liam McGreal, Vikas Mahadev Jadhav, Dilip Shivnarayan Akhade, Christopher Burch | 2024-11-26 |
| 11873702 | Electric submersible pump (ESP) assembly shaft-to-shaft tethering | Wesley John Nowitzki, Joshua Wayne Webster, Casey Holden Bertram | 2024-01-16 |
| 11408427 | Electric submersible pump eccentric inverted shroud assembly | Joshua Wayne Webster, Wesley John Nowitzki, Steven Andrew Lovell, Casey Laine Newport, Donn J. Brown | 2022-08-09 |
| 11365744 | Impeller locking method | Ketankumar Kantilal Sheth | 2022-06-21 |
| 11313209 | Self-orienting gas evading intake for submersible pumps | Donn J. Brown, Joshua Wayne Webster | 2022-04-26 |
| 11291341 | Temperature based vacuum cleaner full bag indication | Thomas L. McCue | 2022-04-05 |
| 11280346 | Impeller stack compression device and method | Wesley John Nowitzki, Joshua Wayne Webster, Joe D. Butler, Justin Shrum, Bryan Don Mullins | 2022-03-22 |
| 11174872 | Anti-spin pump diffuser | Joshua Wayne Webster, Wes John Nowitzki, Casey Laine Newport | 2021-11-16 |
| 10975871 | Retaining ring anti-migration system and method | Joshua Wayne Webster, Wesley John Nowitzki | 2021-04-13 |
| 10961829 | Fallback bearing protection system | Wesley John Nowitzki, Thomas John Gottschalk | 2021-03-30 |
| 10907643 | Press-fit thrust bearing system and apparatus | Joshua Wayne Webster, Wesley John Nowitzki | 2021-02-02 |
| 10668899 | Transportation vacuum assembly | Douglas C. Schultz, Shane Glasgow, Mark J. Tomasiak | 2020-06-02 |
| 10653281 | Pre-filter bag for vacuum cleaner and vacuum cleaner including same | Joseph T. Gierer, Daniel M. Henke | 2020-05-19 |
| 10576930 | Systems and methods for machine sensing and communication | Thomas E. Fogarty, David R. Lathrop | 2020-03-03 |
| 10368707 | Adjustable vacuum tube clamp assembly and vacuum cleaners including same | Christopher Lutz, Matthew A. Williams, Nicholas Cooley, Douglas C. Schultz, Jeremy Sanders | 2019-08-06 |
| 10359045 | Press-fit thrust bearing system and apparatus | Joshua Wayne Webster, Wesley John Nowitzki | 2019-07-23 |
| 10267329 | Labyrinth chamber for horizontal submersible well pump assembly | Steven W. Pyron, David Tanner, Ryan P. Semple, Ignacio Alonso Martinez | 2019-04-23 |
| 10238255 | Vacuum nozzle with integrated light | Douglas C. Schultz, Mark J. Tomasiak | 2019-03-26 |
| 10214180 | Systems and methods for machine sensing and communication | Thomas E. Fogarty, David R. Lathrop | 2019-02-26 |
| 10099659 | Vehicle vacuum module and methods of installing same | Matthew A. Williams, Katherine Hagerty, David Goggans, Mark J. Tomasiak | 2018-10-16 |
| 10052001 | Vacuum having a metal drum and a polymer base | John Wolford, Mark J. Tomasiak | 2018-08-21 |
| 9777561 | Threaded connectors between submersible well pump modules | Brown Lyle Wilson, Ryan P. Semple, John J. Mack, Scott C. Strattan, Kenneth O'Grady | 2017-10-03 |
| 9751504 | Transportation vacuum assembly | Douglas C. Schultz, Shane Glasgow, Mark J. Tomasiak | 2017-09-05 |
| 9752392 | Neck clamp for electrical submersible pump and method of installation | Ryan P. Semple, Adam M. Henderson | 2017-09-05 |