Inventor
LANGWADT OTMAR
DE7 patents
⚠️ This page may combine multiple inventors who share the name “LANGWADT OTMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DYCKERHOFF & WIDMANN AG
4 patentsUS4633540AJan 6, 1987
Tension tie member
DYCKERHOFF & WIDMANN AG73 citations93
US4449855AMay 22, 1984
Anchor head for a corrosion-protected injected anchor
DYCKERHOFF & WIDMANN AG36 citations91
US5603589AFeb 18, 1997
Method for manufacturing an anchor element for a soil anchor for a rock anchor, rock bolt or the like, from a strand of twisted steel wire
DYCKERHOFF & WIDMANN AG23 citations87
US4473936AOct 2, 1984
Process for manufacturing a protection against corrosion for cables of high-strength steel wires
DYCKERHOFF & WIDMANN AG26 citations80
DYWIDAG SYSTEMS INT GMBH
2 patentsUS7967532B2Jun 28, 2011
Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head design
DYWIDAG SYSTEMS INT GMBH14 citations83
US7553108B2Jun 30, 2009
Method and arrangement for stressing a staggered anchorage
DYWIDAG SYSTEMS INT GMBH7 citations73