DH

Douglas A. Hunter

P( Prostar Energy Technologies (Usa): 2 patents #1 of 6Top 20%
📍 Calgary, CA: #92 of 737 inventorsTop 15%
Overall (2020): #178,080 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10738545 Pipe handler and pipe loader for a well rig Jason Peter Clarke, Daniel Harvard Kusler, Mark Charles Taggart 2020-08-11
10711523 Automated drilling/service rig apparatus Mark Charles Taggart, Daniel Harvard Kusler, Colin Knapp 2020-07-14