Inventor

GUEGEL SIEGFRIED

DE4 patents

⚠️ This page may combine multiple inventors who share the name “GUEGEL SIEGFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KRAFTWERK UNION AG

2 patents

US4698474AOct 6, 1987

Welding tongs for connecting two abutting pipe ends by arc welding

KRAFTWERK UNION AG22 citations79

US4757935AJul 19, 1988

Method and device for flushing the inside surface of a pipe in the vicinity of a welded seam

KRAFTWERK UNION AG9 citations71

BRUECKNER ERHARD

1 patent

US8217295B2Jul 10, 2012

Method for producing a welded connection for use in a corrosive environment

BRUECKNER ERHARD3 citations54

GUEGEL SIEGFRIED

1 patent

US8539673B2Sep 24, 2013

Method and device for machining a sealing seat of a shut-off valve

GUEGEL SIEGFRIED1 citations35