Inventor · disambiguated record
Erwin Siegfried
Also filed as: SIEGFRIED ERWIN
5 granted patents·118 citations·filing 1989–1993
82Inventor score
Top patents by PatentIndex Score
5 records- 0173US5345742AForce transfer body for an anchorageVSL INT AG·Filed 1993·Granted Sep 13, 1994·38 cites·15 claims
- 0271US5038834AEncasing tubing having continuous bonding enhancing propertiesVSL INT AG·Filed 1989·Granted Aug 13, 1991·28 cites·10 claims
- 0352US5493828AStressing anchorage for prestressing elements in a part of a structureVSL INT AG·Filed 1992·Granted Feb 27, 1996·26 cites·11 claims
- 0451US5066167APrestressed concrete lining in a pressure tunnelVSL INT AG·Filed 1991·Granted Nov 19, 1991·21 cites·13 claims
- 0521US5180253AArrangement of prestressing tendons in a pressure tunnelSIEGFRIED ERWIN·Filed 1991·Granted Jan 19, 1993·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →