Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811888 | Method and apparatus for manufacturing small diameter, thick walled, cable sheaths | Harry Staschewski, Ewald Gunia | 1989-03-14 |
| 4760692 | Device for the stranding, or stranding-on, of stranding elements | Friedrich Schatz, Lothar Werwitzke | 1988-08-02 |
| 4749823 | Multi-wire electric power cable, particularly a supply cable for borehole units | Dimitri R. Stein, Victor A. Viggiano | 1988-06-07 |
| 4738734 | Method for the production of a flexible electric line | — | 1988-04-19 |
| 4734981 | Method and apparatus for manufacturing hollow tubular members | — | 1988-04-05 |
| 4674543 | Tube having an armoring consisting of a plurality of wires | Friedrich Schatz | 1987-06-23 |
| 4663954 | Method and apparatus for the corrugating of metal tubes | Herbert Kubiak, Klaus Tripke | 1987-05-12 |
| 4570678 | Conduit system for transporting low temperature fluids | Klausdieter Schippl | 1986-02-18 |
| 4558736 | Heat exchanger, particularly for solar collectors and method of manufacture therefor | — | 1985-12-17 |
| 4531991 | Heat-insulating tubing | Ingo H. Pahl | 1985-07-30 |
| 4520622 | Stranding device | Friedrich Schatz, Hermann Meyer | 1985-06-04 |
| 4506135 | Method and apparatus for manufacturing heat exchanger tubes | Friedrich Schatz, Dieter Muller, Douglas W. Rowell | 1985-03-19 |
| 4397081 | Making a superconductive tube | Herbert Kubiak | 1983-08-09 |
| 4351365 | Thermally insulated tube | Klaus Bauermeister, Bernd Eilhardt | 1982-09-28 |
| 4342190 | Stranding stock of large cross sections | Wolfram Klebl, Ernst Hoffmann, Reiner Brunn | 1982-08-03 |
| 4331281 | Process and apparatus for production of welded tubes | Wolfram Klebl, Friedrich Schatz | 1982-05-25 |
| 4283824 | Method for manufacturing heat exchanger tubing | Friedrich Schatz | 1981-08-18 |
| 4221670 | Filter for liquids | — | 1980-09-09 |
| 4220179 | Spacer for coaxial tube systems | Ernst Scheffler, Friedrich Schatz | 1980-09-02 |