Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8414675 | Air cleaner; air filter cartridge and method of manufacturing | Douglas Iddings, Jian Xu, James R. Scott | 2013-04-09 |
| 7901343 | Methods and apparatus for centrifuging dry solids | Denis J. Dudrey, James N. Gehrking, Adelbert Gorham, Ronald L. Jorgenson, Rodger I. Spears | 2011-03-08 |
| 7077799 | Apparatus and method for a high-efficiency self-cleaning centrifuge having concentrate cylinders | Adelbert Gorham, Denis J. Dudrey, James N. Gehrking, Ronald L. Jorgenson, David S. Paulson +1 more | 2006-07-18 |