Palmer; David G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Palmer; David G..The latest application filed is for "method and apparatus for monitoring biological activity and controlling aeration in an activated sludge plant".
- Palmer; David G. - Lincoln NE
- Palmer; David G - Lincoln NE
| Patent | Date |
|---|---|
| Method And Apparatus For Monitoring Biological Activity And Controlling Aeration In An Activated Sludge Plant App 20120292251 - Palmer; David G. | 2012-11-22 |
| Method for determining the chemical dosage required to reduce sulfides in wastewater to acceptable levels Grant 7,273,561 - Palmer September 25, 2 | 2007-09-25 |
| Portable water purification apparatus Grant 5,662,779 - Greene , et al. September 2, 1 | 1997-09-02 |
| Water distilling apparatus with vertically stacked components Grant 5,178,734 - Palmer January 12, 1 | 1993-01-12 |
| Water purification method and apparatus with conductivity sensing controls Grant 4,975,154 - Palmer , et al. December 4, 1 | 1990-12-04 |
| Water supply system Grant 4,906,337 - Palmer March 6, 1 | 1990-03-06 |
| Water purification method and apparatus Grant 4,888,097 - Palmer , et al. December 19, 1 | 1989-12-19 |
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