Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777716 | Dual displacement fluid level control pump | Richard E. Nelson, Robert K Dyas | 2017-10-03 |
| 7975572 | Methods and apparatus for make up and break out of tubular connections | — | 2011-07-12 |
| 6567675 | Programmable automatic prefix dialer for wireless | Howard Rosen | 2003-05-20 |
| 5890809 | Carrying bag with deployable bottle pouch | — | 1999-04-06 |
| 5806472 | Method and means for removal of used oil and blending with fuel for disposal in an engine | Robert E. Nelson | 1998-09-15 |
| 5163212 | Safety tool for handling of unitized jaw assembly in power sucker rod tongs | — | 1992-11-17 |
| 5009927 | Method for coating fabric surface with electrically conductive film | Willard C. Cloyd | 1991-04-23 |
| 4834133 | Control valve | Bernard L. LaCoste, Suryakant K. Dawawala | 1989-05-30 |
| 4784048 | Filter system incorporated with cab for orchard sprayer | — | 1988-11-15 |
| 4747300 | Sensing pump with improved discrimination between liquids and gases | Robert E. Nelson | 1988-05-31 |
| 4496287 | Sensors for detection of fluid condition, and control systems utilizing their signals | Robert E. Nelson | 1985-01-29 |
| 4376449 | Two reservoir system in which fluid is drawn from one to maintain a level in the other | Robert E. Nelson | 1983-03-15 |