Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667105 | Portion control valve and system and method utilizing the same | E. Dale Hartley, Gary F. McKee, Christopher J. Taylor-McCune | 1997-09-16 |
| 5505593 | Reciprocable device with switching mechanism | E. Dale Hartley | 1996-04-09 |
| 5500113 | Reverse osmosis water system | E. Dale Hartley | 1996-03-19 |
| 5470209 | Offset reciprocable device | E. Dale Hartley | 1995-11-28 |
| 5379795 | Venting apparatus | E. Dale Hartley | 1995-01-10 |
| 5242281 | Wobble plate pump | E. Dale Hartley | 1993-09-07 |
| 5125809 | Wobble plate pump | E. Dale Hartley | 1992-06-30 |
| 4827831 | Reciprocating device and switching mechanism therefor | E. Dale Hartley | 1989-05-09 |
| 4827832 | Valve system for a reciprocating device | E. Dale Hartley | 1989-05-09 |
| 4797069 | Pump with variable angle wobble plate | E. Dale Hartley | 1989-01-10 |
| 4684332 | Ratio pump and method | E. Dale Hartley | 1987-08-04 |
| 4645426 | Bilge pump | E. Dale Hartley | 1987-02-24 |
| 4610192 | Reciprocable device | E. Dale Hartley | 1986-09-09 |