Joost W. Jansz

HN Hollandsche Beton Groep N.V.: 4 patents #1 of 20Top 5%

📍 The Hague, NL: #137 of 926 inventorsTop 15%

Overall (All Time): #1,310,016 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4362216	Pile driving apparatus	—	1982-12-07
4288178	Apparatus for generating a retropulsive force on a body such as a pile	—	1981-09-08
4279313	Under water pile driver	—	1981-07-21
4226287	Apparatus for pile driver cushion recoil	—	1980-10-07