Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371033 | Twin chuck drill with one drive shaft | — | 2008-05-13 |
| 6635153 | Air purification device | — | 2003-10-21 |
| 6210131 | Fluid intensifier having a double acting power chamber with interconnected signal rods | — | 2001-04-03 |
| 5823177 | Pumpless solar water heater with isolated pressurized storage | — | 1998-10-20 |
| 5741606 | Overcharge protection battery vent | Steven T. Mayer | 1998-04-21 |
| 5616005 | Fluid driven recipricating apparatus | — | 1997-04-01 |
| 5456282 | Pressure reducing regulator | Lemoyne W. Dilgard | 1995-10-10 |
| 5427507 | Valving for controlling a fluid-driven reciprocating apparatus | — | 1995-06-27 |
| 5222873 | Fluid-driven reciprocating apparatus and valving for controlling same | Hans G. Toews | 1993-06-29 |
| 5026259 | Miniaturized pressurization system | Don G. Swink | 1991-06-25 |
| 4951199 | Steering stabilizing method and apparatus for suppressing the weave mode | — | 1990-08-21 |
| 4197873 | Fluid operable valves | Michael I. Minogue, John Bennett | 1980-04-15 |