PD

Pieter Dirk Melis Van Duivendijk

IB Itrec B.V.: 3 patents #3 of 25Top 15%
📍 Schiedam, TX: #1 of 1 inventorsTop 100%
Overall (2020): #73,624 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10718162 Servicing a top drive device of a wellbore drilling installation Diederick Bernardus Wijning, Nicolaas Thijs Pieter MAX, Jasper Hendrik Frank Bakker, Adriaan Van Swieten, Joop Roodenburg 2020-07-21
10703448 Offshore drilling system, vessel and method Joop Roodenburg, Diederick Bernardus Wijning 2020-07-07
10633938 Tubular product clamp Theodorus Cornelis Joanes Maria Stijnman, Joop Roodenburg 2020-04-28