Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1090791 | Filter tube holding grommet | David E. Sisk, Travis Kinneman, Andrew Boyer, Roger Breakfield | 2025-08-26 |
| 12337269 | Vacuum filter assembly for processing bulk granular material and filter mounting assembly therefore | David E. Sisk, Roger Breakfield, Andrew Boyer, Travis Kinneman | 2025-06-24 |
| 12280327 | Vacuum filter assembly for cleansing air for use in transfer of bulk, granular material as in conveying vehicles | David E. Sisk, Roger Breakfield, Andrew Boyer, Travis Kinneman | 2025-04-22 |
| 12115473 | Pressure and heat molded polymer tube with interlocking grommet | David E. Sisk, Roger Breakfield, Andrew Boyer, Travis Kinneman, Todd Watkins +1 more | 2024-10-15 |
| 12005551 | Adjustable pivot bolt for a sealed manhole clamp | David E. Sisk, Jason Husky | 2024-06-11 |
| 10766694 | Alternative bottom drop and straight tee discharge from bulk tank having various extensions for automatic and manual operations of the tee valve | David E. Sisk, Jason Huskey | 2020-09-08 |
| 8739113 | Tracking device and method for very large-scale software development projects | Raymond Packbier | 2014-05-27 |
| D608208 | Container | Jeff Vaughan, Paul Whaley, Stuart Crum, Mats Ivarsson, Wim De Schuyter | 2010-01-19 |