Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138693 | Electric fluid heater with thermosphonic fluid circulation | — | 1992-08-11 |
| 4998007 | Electrically heated reservoir having a preassembled plural tube continuous flow heating unit | — | 1991-03-05 |
| 4980537 | Electric heating device | — | 1990-12-25 |
| 4949556 | Heating means for washing solutions in cleaning machines | — | 1990-08-21 |
| 4926030 | End piece for tubular heater | — | 1990-05-15 |
| 4825043 | Electric continuous flow heater for liquid containers | — | 1989-04-25 |
| 4754119 | Temperature regulating device, particularly for liquids or gases | — | 1988-06-28 |
| 4691096 | Electrically heated deep fat fryer | — | 1987-09-01 |
| 4599993 | Temperature sensor | — | 1986-07-15 |
| 4574183 | Electrically heated deep fryer | — | 1986-03-04 |
| 4410793 | Electric hotplate | Karl Fischer, Felix Schreder | 1983-10-18 |