PK

Pieter Kalkman

📍 Waddinxveen, NL: #4 of 45 inventorsTop 9%
Overall (All Time): #1,183,079 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9915044 Walkway installation, as well as a vessel with such a walkway installation 2018-03-13
9797101 Walkway installation, as well as a vessel with such a walkway installation 2017-10-24
9315244 Hold crane as well as pipefeeder vessel with such hold crane Hans Wouter Valk, Hendrik Alblas 2016-04-19
9045201 Cork watersports board Tadas Kuzmarskis 2015-06-02