Inventor · disambiguated record
Helmut Lieske
Also filed as: LIESKE HELMUT
5 granted patents·42 citations·filing 1977–1993
78Inventor score
Files withDYCKERHOFF & WIDMANN AG5
Top patents by PatentIndex Score
5 records- 0149US4905896ARailroad roadway for high speed rail-mounted vehiclesDYCKERHOFF & WIDMANN AG·Filed 1988·Granted Mar 6, 1990·19 cites·14 claims
- 0247US4105382AApparatus for the production of finished prestressed concrete membersDYCKERHOFF & WIDMANN AG·Filed 1977·Granted Aug 8, 1978·10 cites·16 claims
- 0337US5439629AMethod and apparatus for producing prefabricated components from pretensioned prestressed concreteDYCKERHOFF & WIDMANN AG·Filed 1993·Granted Aug 8, 1995·7 cites·12 claims
- 0431US5135164APrestressed concrete railroad tieDYCKERHOFF & WIDMANN AG·Filed 1990·Granted Aug 4, 1992·5 cites·3 claims
- 0521US4489024AMethod of and apparatus for the manufacture of prefabricated prestressed concrete membersDYCKERHOFF & WIDMANN AG·Filed 1981·Granted Dec 18, 1984·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →