Patents per Year
Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7214905 | Cover for a welding-type power source | James R. Brook, David Edwin Radtke | 2007-05-08 | $26,720,000 |
| 5037454 | Coalescing apparatus and method | — | 1991-08-06 | |
| 5029633 | Cooling pond enhancement | — | 1991-07-09 | |
| RE32989 | Air line vapor trap | — | 1989-07-18 | |
| 4801313 | Gas purification apparatus | — | 1989-01-31 | |
| 4708120 | Apparatus and method for treating air from a turbocharger | — | 1987-11-24 | |
| 4600416 | Air line vapor trap | — | 1986-07-15 | |
| 4487618 | Airline vapor trap | — | 1984-12-11 | |
| 4483417 | Airline lubricator | — | 1984-11-20 | |
| 4464186 | Pneumatic filter and liquid evaporator | — | 1984-08-07 | |
| D258075 | Gas pressure regulator | — | 1981-01-27 |