Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934421 | Biaxial wheel test assembly | Timothy G Olex, David Zander, Christian R. Ritchey, Martin R. Scherzer, David D. Friske +1 more | 2011-05-03 |
| D585365 | Solar tube dimmer housing | Dale A. Gort, Gang Zhong | 2009-01-27 |
| 6322326 | Modular condensate pump assembly | D. W. Hearn, Jr., David Thomas Springer, James J. Coffey, Jon David Currier | 2001-11-27 |
| D414500 | Condensate pump | D. W. Hearn, Jr., David Thomas Springer, James J. Coffey, Jon David Currier | 1999-09-28 |
| D376370 | Combined pump and motor | DeForest W. Hearn, Jr., James J. Coffey, Lindell Gay | 1996-12-10 |
| 5494417 | Shaft sealing and alignment assembly for a pump assembly | Randy Karbs, Ron L. Baumgarner | 1996-02-27 |
| D288325 | Vertical pump | Kenneth L. Doughty, James S. Hollingsworth, III | 1987-02-17 |
| D268412 | Submersible pump | Bobby G. Graham, John M. Walker | 1983-03-29 |