Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10526136 | Mobile support structure for bulk material containers | Thomas W. Hawkins, Tori H. Miller, Wesley John Warren, Austin Carl Schaffner, Glenn Ray Fowler +2 more | 2020-01-07 |
| 10442614 | Semi-rigid bulk material storage container | Bryan Chapman Lucas, Calvin L. Stegemoeller, Wesley John Warren, Austin Carl Schaffner, Tim H. Hunter | 2019-10-15 |
| 10336533 | Collapsible particulate matter container | Jim B. Surjaatmadja, Tim H. Hunter, Calvin L. Stegemoeller, Austin Carl Schaffner, Bryan Chapman Lucas | 2019-07-02 |
| 10294045 | Bucket conveyor system on storage/delivery system | Bryan Chapman Lucas, Tim H. Hunter, Calvin L. Stegemoeller, Austin Carl Schaffner, Jim B. Surjaatmadja | 2019-05-21 |
| 10125594 | Pressure exchanger having crosslinked fluid plugs | Stanley V. Stephenson | 2018-11-13 |
| D780883 | Rigid proppant container | Austin Carl Schaffner, Glenn Ray Fowler, Bryan Chapman Lucas, Calvin L. Stegemoeller, Wesley John Warren +4 more | 2017-03-07 |