Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398707 | Mechanism for electronic adjustment of flows in fixed displacement pump | Joseph Ervin Middleton, David Lionel Rawlings | 2025-08-26 |
| 12398708 | Mechanism for electronic adjustment of flows in fixed displacement pump | Joseph Ervin Middleton, David Lionel Rawlings | 2025-08-26 |
| 12066015 | Mechanism for electronic adjustment of flows in fixed displacement pump | Joseph Ervin Middleton, David Lionel Rawlings | 2024-08-20 |
| 11585340 | Multi-channel positive displacement pump apparatus | David Lionel Rawlings, Zachary Beauman | 2023-02-21 |