NW

Nicolaas T. van der Walt

CR Crucible: 2 patents #3 of 28Top 15%
Overall (All Time): #891,783 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5198765 Method of and apparatus for simultaneously testing a wire rope for multiple defects 1993-03-30
5036277 Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations 1991-07-30
4827215 Method of and apparatus for magnetic saturation testing a wire rope for defects 1989-05-02
4606219 Gas detectors Bernardus J. Bout, Ernest Van Eeden 1986-08-19
4459583 Alarm system Bernardus J. Bout 1984-07-10
4423411 Ionization type fire detector Bernardus J. Bout, Timothy J. Newington 1983-12-27