DR

David Louis Richard

WC Weatherford Canada: 1 patents #21 of 44Top 50%
📍 Calgary, CA: #771 of 5,407 inventorsTop 15%
Overall (All Time): #959,784 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11519228 Jointed pipe injector trigger mechanism Harold James Miller, Ivan Amic, Christopher Jason Serran, Jason Brent Schroeder, Alejandro Chavez 2022-12-06
11078735 Passive rotating jointed tubular injector Harold James Miller, Ivan Amic, Christopher Jason Serran, Jason Brent Schroeder 2021-08-03
7967541 Apparatus for handling and racking pipes William John Stroshein, Monte Neil Wright, Leon Keith Jantzen, Imad Assaf 2011-06-28
7794192 Apparatus for handling and racking pipes Monte Neil Wright, William John Stroshein, Andrew Scott Banister 2010-09-14
7331746 Apparatus for handling and racking pipes Monte Neil Wright, William John Stroshein, Andrew Scott Banister 2008-02-19