Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11662027 | Double seal lubricated packing gland and rotating sleeve | Christopher Mihm, Andrew Anderson, Michael R. Crawford | 2023-05-30 |
| 11566616 | Pump shaft packing gland and bushing | Victor Christian Iehl, Michael R. Crawford, Chad Wunderlich | 2023-01-31 |
| 11168794 | Double seal lubricated packing gland and rotating sleeve | Christopher Mihm, Andrew Anderson, Michael R. Crawford | 2021-11-09 |
| 10760685 | Pump shaft packing gland and bushing | Victor Christian Iehl, Michael R. Crawford, Chad Wunderlich | 2020-09-01 |
| 10514034 | Idler gear for positive displacement gear pump | Victor Christian Iehl, Michael R. Crawford | 2019-12-24 |