Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8911633 | Fluid treatment elements and fluid treatment arrangements with posts and/or bands between fluid treatment elements and methods for making and using them | Thomas Welch, Jr., Tanweer Haq | 2014-12-16 |
| 8640884 | Fluid treatment elements and fluid treatment arrangements with spaces between fluid treatment elements and methods for making and using them | Thomas Welch, Jr., Tanweer Haq | 2014-02-04 |
| 8640885 | Fluid treatment arrangements with sets of fluid treatment elements and methods for making and using them | Thomas Welch, Jr., Tanweer Haq | 2014-02-04 |
| 6932850 | Pleated filter and a method for making the same | Thomas Welch, Jr., John D. Miller | 2005-08-23 |