Inventor
SWANSON GREGORY DAVID
US4 patents
Patents
4 patentsUS9476266B2Oct 25, 2016
Hydraulic cable-skate drive system for catwalk
FORUM US INC4 citations69
US9404323B2Aug 2, 2016
Emergency cylinder lowering circuit with regenerative hydraulics and burst protection
FORUM US INC2 citations57
US9506302B2Nov 29, 2016
System for attaching a gullwing to a catwalk
FORUM US INC2 citations50
US9410567B2Aug 9, 2016
System for connecting and aligning a multiple piece catwalk trough
FORUM US INC0 citations48