Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11638792 | Collapsible, disposable medication inhalation spacer and method | Joel Hyde, Jennifer Johnson | 2023-05-02 |
| 10589040 | Collapsible, disposable MDI spacer and method | Joel Hyde, Jennifer Johnson | 2020-03-17 |
| 10464126 | Pressure control system and means for pressure pouring of cast steel wheels | Zhongxian Du, Hongwei Ma, Sijin Zhang, Chengqun Yan, Jianfei Sun +2 more | 2019-11-05 |
| 10252330 | Pouring metallic plug stick clamping mechanism for cast steel wheels | Sijin Zhang, Xuefeng Yu, Chengqun Yan, Zhongxian Du, Changling Hu | 2019-04-09 |
| 7942615 | Multi-cartridge cutting tool and railway wheel boring assembly | Paul William Lysobey, Dan Elwyn Chesney | 2011-05-17 |
| 7404245 | Fuel line disconnect tool | Michael L. Whitehead | 2008-07-29 |
| 6761165 | Medical ventilator system | — | 2004-07-13 |
| 6327769 | Brake spring maintenance tool and method | — | 2001-12-11 |
| 6044535 | Brake spring maintenance tool and method | — | 2000-04-04 |