Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968863 | Non-return valve | — | 2005-11-29 |
| 6926069 | Method for manufacturing a double-walled heat exchanging tube with leak detection | — | 2005-08-09 |
| 6526921 | Method for operating a closed hot-water installation and apparatus to be used therewith | — | 2003-03-04 |
| 6192583 | Heat exchanger tube and method of manufacturing same | — | 2001-02-27 |
| 6119951 | Expansion control for a closed fluid circulation system | — | 2000-09-19 |
| 5601635 | Method and apparatus for deaerating a liquid in a substantially closed liquid circulation system | — | 1997-02-11 |
| 5456409 | Method and device for maintaining a fluid at a working pressure in a substantially closed fluid circulation system | — | 1995-10-10 |
| 4747737 | Fixing device for mounting objects on supports | — | 1988-05-31 |
| 4718922 | Method of and apparatus for the deaeration of liquid flowing in a closed circulation system | — | 1988-01-12 |
| 4655282 | Heat exchanger duct with heat exchange wiring | — | 1987-04-07 |
| 4646823 | Pipe for utility or service systems | — | 1987-03-03 |
| 4645518 | Method and apparatus for reducing the gas content of a liquid | — | 1987-02-24 |
| 4456172 | Method of and apparatus for the degasification of circulation systems for liquids | — | 1984-06-26 |
| 4381928 | Apparatus for venting and/or degassing a pipeline system | — | 1983-05-03 |