WH

William B. Hark

PL Pandrol Limited: 1 patents #25 of 79Top 35%
TA The British Hydromechanics Research Association: 1 patents #5 of 11Top 50%
Overall (All Time): #1,309,452 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4409901 Apparatus for performing operations on a railway track 1983-10-18
4406162 Apparatus for creating waves in a body of liquid 1983-09-27
4229969 Apparatus for making waves in a body of liquid 1980-10-28
4207018 Fluid pressurizing station for a pipeline conveyor Peter J. Baker, Alan Headford, Barry E. A. Jacobs 1980-06-10