Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D566144 | Stationary peg for a coal pulverizer | William Schmitz, Craig A. Penterson | 2008-04-08 |
| D565616 | Grinding and impeller clip for a coal pulverizer | William Schmitz, Craig A. Penterson | 2008-04-01 |
| 7311281 | Grinding and impeller clip for a coal pulverizer | William Schmitz, Craig A. Penterson | 2007-12-25 |
| 7309037 | Stationary peg for a coal pulverizer | William Schmitz, Craig A. Penterson | 2007-12-18 |
| 7240868 | Dynamic ring classifier for a coal pulverizer | Qingsheng Lin, Craig A. Penterson, Richard N. Du Verger | 2007-07-10 |
| 7172146 | Grinding and impeller clip for a coal pulverizer | William Schmitz, Craig A. Penterson | 2007-02-06 |
| D526226 | Foot scanner | David John Copeland, Justin W. Sirotin | 2006-08-08 |
| 7028931 | Dynamic ring classifier for a coal pulverizer | Qingsheng Lin, Craig A. Penterson, Richard N. Du Verger | 2006-04-18 |
| D511446 | Body for a hand-held fluid dispenser | Michael Pereira | 2005-11-15 |
| D511026 | Sport helmet | Thad M. Ide, Nelson Kraemer, Ralph Infusino, Michael Pereira | 2005-10-25 |
| 6922982 | Marine weedwaker | — | 2005-08-02 |
| 6273582 | Compact multiple function tool | John Merrick Taggart, A. Jeffrey Turner, Edward S. Richardson, Daniel Nelsen, Stephen Lane +3 more | 2001-08-14 |
| 5775897 | Gaseous flow reversing valve with distributed gas flow | — | 1998-07-07 |
| 5401165 | Regenerative furnace system with variable flue port control | — | 1995-03-28 |
| 5247166 | Form reader with linear CCD scanner and drum feed | Thomas C. Cannon, Jr., Mark Bowen | 1993-09-21 |
| 5084846 | Deep submergence hydrophone | — | 1992-01-28 |
| 4666403 | Air preheating system for continuous fired furnace | — | 1987-05-19 |
| 4593901 | Dual-suspension striking balls | Ryan Moore | 1986-06-10 |