Welz, Jr.; Albert W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welz, Jr.; Albert W..The latest application filed is for "intelligent valve actuator".
- Welz, Jr.; Albert W. - Westford MA
| Patent | Date |
|---|---|
| Intelligent valve actuator Grant 6,279,870 - Welz, Jr. , et al. August 28, 2 | 2001-08-28 |
| Intelligent burner control system Grant 6,247,919 - Welz, Jr. , et al. June 19, 2 | 2001-06-19 |
| Intelligent burner control system Grant 5,997,280 - Welz, Jr. , et al. December 7, 1 | 1999-12-07 |
| Method and apparatus for communication over electric power lines Grant 4,400,688 - Johnston , et al. August 23, 1 | 1983-08-23 |
| Cycloconverter apparatus and method for working into an active load Grant 4,105,897 - Stratton , et al. August 8, 1 | 1978-08-08 |
| Electronic timer switch Grant 3,939,361 - Aidala , et al. February 17, 1 | 1976-02-17 |
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