JW

Johann Wlodkowski

DW Dyckerhoff & Widmann: 6 patents #7 of 81Top 9%
Overall (All Time): #896,504 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4469756 Method of and apparatus for forming an outwardly projecting bulge in a steel wire strand for forming an anchor in concrete Dieter Jungwirth, Lorenz Schnitzler, Alto Mannhart 1984-09-04
4410162 Recoverable form part for use in the region where a tendon is anchored in a prestressed concrete component Oswald Nutzel, Dieter Jungwirth 1983-10-18
4388014 Multiple part tapered collar for a tendon anchorage system Dieter Jungwirth 1983-06-14
4363462 Recoverable formwork part for forming the anchoring location of a tendon in a concrete structural component Dieter Jungwirth 1982-12-14
4343122 System for anchoring a tendon in a structural concrete unit Dieter Jungwirth 1982-08-10
4192114 Arrangement for interconnecting bundles of prestressing tendons for prestressed concrete Dieter Jungwirth, Josef Renoth 1980-03-11