Siegfried Forner
11Patents
7h-index
20Co-inventors
58Inventor score
Filing activity: Oct 30, 1981 → Feb 13, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4460920A | Automatically traveling tube-interior manipulator for remotely controlled transportation of testing devices and tools along given feedpaths, preferably for nuclear reactor installations | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4473921A | Cleaning device for the internal peripheral surfaces of pipelines or hollow cylindrical vessels, especially for manipulators for the interior of pipes | Performing Operations; Transporting | 26 | Expired |
| US4598738A | Tube closing device, especially for heat-exchanger tubes | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4657450A | Machining tool for pipes | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4601133A | Manipulator head with grinding device for pipes or pipelines | Performing Operations; Transporting | 8 | Expired |
| US4639351A | Repair device for a reactor pressure vessel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4617444A | Burner for wig welding | Performing Operations; Transporting | 7 | Expired |
| US4905546A | Twist-proof mechanical connecting assembly | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4698474A | Welding tongs for connecting two abutting pipe ends by arc welding | Performing Operations; Transporting | 6 | Expired |
| US4577795A | Device for overlay-welding pipes bends | Performing Operations; Transporting | 3 | Expired |
| US4689863A | Fixture for machining the cutting line of a pipe | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.