Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398707 | Mechanism for electronic adjustment of flows in fixed displacement pump | Francis Dongil Suh, Joseph Ervin Middleton | 2025-08-26 |
| 12398708 | Mechanism for electronic adjustment of flows in fixed displacement pump | Francis Dongil Suh, Joseph Ervin Middleton | 2025-08-26 |
| 12066015 | Mechanism for electronic adjustment of flows in fixed displacement pump | Francis Dongil Suh, Joseph Ervin Middleton | 2024-08-20 |
| 12055138 | Syringe pump | — | 2024-08-06 |
| 11585340 | Multi-channel positive displacement pump apparatus | Francis Dongil Suh, Zachary Beauman | 2023-02-21 |
| 11143172 | Piston/liner configuration coordination in a piston pump | Joseph Ervin Middleton | 2021-10-12 |
| 10995747 | Mechanism for fine adjustment of flows in fixed displacement pump | — | 2021-05-04 |
| 10935021 | Mechanism for coarse and fine adjustment of flows in fixed displacement pump | Zachary Beauman, Joseph Ervin Middleton | 2021-03-02 |
| 9964101 | Adjustable pumping apparatus | — | 2018-05-08 |
| 9828978 | Fluid pump having liquid reservoir and modified pressure relief slot | Joseph Ervin Middleton | 2017-11-28 |
| 9261085 | Fluid pump having liquid reservoir and modified pressure relief slot | Joseph Ervin Middleton | 2016-02-16 |
| 8562310 | Chlorination system with corrosion minimizing components | — | 2013-10-22 |
| 7785084 | Method and apparatus for elimination of gases in pump feed/injection equipment | Harry Pinkerton | 2010-08-31 |
| 7387502 | Method and apparatus for elimination of gases in pump feed/injection equipment | Harry Pinkerton | 2008-06-17 |
| 6411487 | Coaxial surge protector having thermal fail-safe shunt | Prem G. Chandran, Israel Moskovitch | 2002-06-25 |
| 5469526 | Optical fiber support for printed circuit boards | — | 1995-11-21 |
| 5120121 | Colored lens | Qi-Bin Bao | 1992-06-09 |
| 5116112 | Colored lens and method of manufacture | — | 1992-05-26 |
| 5034166 | Method of molding a colored contact lens | Qi-Bin Bao, Patrick K. Chen | 1991-07-23 |
| 4680149 | Mold and method for spin casting a precisely configured article | Robert Glick, Robert C. Chang | 1987-07-14 |
| 4584148 | Method for the precision trimming of the edge of a centrifugally cast lens | Michael DILLON | 1986-04-22 |
| 4551086 | Device for centrifugally casting articles | — | 1985-11-05 |
| 4534723 | Cutting device for the precision trimming of the edge of a centrifugally cast lens | Michael DILLON | 1985-08-13 |
| 4517139 | Device and method for centrifugally casting articles on a continuous basis | Robert Glick | 1985-05-14 |
| 4516924 | Retaining means for device for centrifugally casting symmetrical or asymmetrical articles | — | 1985-05-14 |