Inventor · disambiguated record
Otmar Langwadt
Also filed as: LANGWADT OTMAR
7 granted patents·218 citations·filing 1981–2009
88Inventor score
Top patents by PatentIndex Score
7 records- 0188US4633540ATension tie memberDYCKERHOFF & WIDMANN AG·Filed 1985·Granted Jan 6, 1987·73 cites·18 claims
- 0283US4473936AProcess for manufacturing a protection against corrosion for cables of high-strength steel wiresDYCKERHOFF & WIDMANN AG·Filed 1981·Granted Oct 2, 1984·26 cites·12 claims
- 0379US7967532B2Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head designDYWIDAG SYSTEMS INT GMBH·Filed 2009·Granted Jun 28, 2011·14 cites·17 claims
- 0479US7381013B1Rock bolt post grouting apparatusDYWIDAG SYSTEMS INTERNATIONALP·Filed 2003·Granted Jun 3, 2008·39 cites·23 claims
- 0579US4449855AAnchor head for a corrosion-protected injected anchorDYCKERHOFF & WIDMANN AG·Filed 1982·Granted May 22, 1984·36 cites·3 claims
- 0675US7553108B2Method and arrangement for stressing a staggered anchorageDYWIDAG SYSTEMS INT GMBH·Filed 2006·Granted Jun 30, 2009·7 cites·31 claims
- 0750US5603589AMethod for manufacturing an anchor element for a soil anchor for a rock anchor, rock bolt or the like, from a strand of twisted steel wireDYCKERHOFF & WIDMANN AG·Filed 1995·Granted Feb 18, 1997·23 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →