Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5537019 | Switched reluctance motor providing rotor position detection at high speeds without a separate rotor shaft position sensor | Thomas G. Van Sistine, Ronald Bartos, William Louis Mehlhorn | 1996-07-16 |
| 5350202 | Method and apparatus for attaching lengths of fiberglass reinforced plastic pipe | Peter James Fritz, Michael Lee McCoy, Wayne Miller, Paul M. Nyberg | 1994-09-27 |
| 5256923 | Switched reluctance motor with sensorless position detection | Ronald Bartos, J. Herbert Johnson | 1993-10-26 |
| 5023928 | Apparatus for reducing the current drain on the sacrificial anode in a water heater | Daher T. Wardy | 1991-06-11 |
| 4975560 | Apparatus for powering the corrosion protection system in an electric water heater | Daher T. Wardy, Calvin O. Huber, James L. Chevalier | 1990-12-04 |
| 4972066 | Method and apparatus for reducing the current drain on the sacrificial anode in a water heater | Daher T. Wardy | 1990-11-20 |
| 4954233 | Combination anode mount and hot water outlet utilizing a cam lock | Robert M. Schurter | 1990-09-04 |
| 4954172 | Combination anode mount and hot water outlet for water heater | Robert M. Schurter | 1990-09-04 |
| 4910865 | Method of forming an anode cap assembly | — | 1990-03-27 |
| 4830724 | Stamped metal anode cap assembly | — | 1989-05-16 |
| 4786383 | Cathodic protection system for a water heater tank | — | 1988-11-22 |
| 4773977 | Anode mounting construction for a water heater | John D. Pfeffer | 1988-09-27 |
| 4707313 | Method of making a laminated structure for use in an electrical apparatus | — | 1987-11-17 |