Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158142 | System and method for maintaining pumps | Daryl Belshan, James A. Barnhouse | 2024-12-03 |
| 11859664 | Multi-piece pinion shaft assembly | Daryl Belshan, Sri Harsha Uddanda, Todd Ryan Kabrich | 2024-01-02 |
| 11852127 | Retainer assembly for pump and methods | James A. Barnhouse, Daryl Belshan, Henry Do | 2023-12-26 |
| 11834979 | Liquid only lance injector | Samuel Johnson, John G. Buechler, Matthew K. Volmerding, Gaurav Hemant Pandit | 2023-12-05 |
| 11708777 | Liquid only lance injector | Samuel Johnson, John G. Buechler, Matthew K. Volmerding, Gaurav Hemant Pandit | 2023-07-25 |
| 11674509 | Long sleeve cartridge for a fluid end block | Daryl Belshan, James A. Barnhouse, Todd Ryan Kabrich | 2023-06-13 |
| 11268417 | Liquid only lance injector | Samuel Johnson, John G. Buechler, Matthew K. Volmerding, Gaurav Hemant Pandit | 2022-03-08 |
| 10871227 | Power end of a pump | Daryl Belshan, Zhaoxu Dong, Wenming Zhao, Mark J. Carls | 2020-12-22 |
| 10273954 | Fluid end of a reciprocating pump with reduced stress | James A. Barnhouse, Daryl Belshan | 2019-04-30 |
| 10240594 | Dynamic seal cartridge in a fluid end of a reciprocating pump | James A. Barnhouse, Daryl Belshan | 2019-03-26 |
| 9815361 | Split bushing torque strut isolator assembly | Krishant Patel, Brian D Dwyer, John C St. Pierre, Daniel Brown | 2017-11-14 |