Knoop; Donald E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Knoop; Donald E..The latest application filed is for "automatic water level control system for an automatic washer".
- Knoop; Donald E. - Longview TX
- Knoop; Donald E. - Royalton Township Berrien County
- Knoop; Donald E. - St. Joseph MI
- Knoop; Donald E. - Benton Harbor MI
| Patent | Date |
|---|---|
| Automatic water level control system for an automatic washer Grant 4,835,991 - Knoop , et al. June 6, 1 | 1989-06-06 |
| Pressure sensing automatic water level control Grant 4,697,293 - Knoop October 6, 1 | 1987-10-06 |
| Automatic temperature control for automatic washers Grant 4,528,709 - Getz , et al. July 16, 1 | 1985-07-16 |
| Automatic liquid control system for a clothes washing machine Grant 4,503,575 - Knoop , et al. March 12, 1 | 1985-03-12 |
| Adaptive defrost control system Grant 4,327,557 - Clarke , et al. May 4, 1 | 1982-05-04 |
| Method and apparatus for testing electric motors Grant 3,967,199 - Knoop , et al. June 29, 1 | 1976-06-29 |
| Heating System Control Grant 3,665,159 - Becker , et al. May 23, 1 | 1972-05-23 |
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