Inventor
FOERNER SIEGFRIED
DE11 patents
⚠️ This page may combine multiple inventors who share the name “FOERNER SIEGFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KRAFTWERK UNION AG
10 patentsUS4460920AJul 17, 1984
Automatically traveling tube-interior manipulator for remotely controlled transportation of testing devices and tools along given feedpaths, preferably for nuclear reactor installations
KRAFTWERK UNION AG66 citations94
US4598738AJul 8, 1986
Tube closing device, especially for heat-exchanger tubes
KRAFTWERK UNION AG32 citations92
US4473921AOct 2, 1984
Cleaning device for the internal peripheral surfaces of pipelines or hollow cylindrical vessels, especially for manipulators for the interior of pipes
KRAFTWERK UNION AG45 citations92
US4698474AOct 6, 1987
Welding tongs for connecting two abutting pipe ends by arc welding
KRAFTWERK UNION AG22 citations79
US4657450AApr 14, 1987
Machining tool for pipes
KRAFTWERK UNION AG12 citations71
US4639351AJan 27, 1987
Repair device for a reactor pressure vessel
KRAFTWERK UNION AG9 citations71
US4617444AOct 14, 1986
Burner for wig welding
KRAFTWERK UNION AG14 citations71
US4601133AJul 22, 1986
Manipulator head with grinding device for pipes or pipelines
KRAFTWERK UNION AG19 citations69
US4577795AMar 25, 1986
Device for overlay-welding pipes bends
KRAFTWERK UNION AG14 citations65
US4689863ASep 1, 1987
Fixture for machining the cutting line of a pipe
KRAFTWERK UNION AG3 citations56