Inventor

ZIMBELMANN GEORG

DE4 patents

Patents

4 patents

US10337264B2Jul 2, 2019

Movable tong assembly

WEATHERFORD TECH HOLDINGS LLC4 citations70

US10472906B2Nov 12, 2019

Apparatus and methods for tong operation

WEATHERFORD TECH HOLDINGS LLC4 citations69

US11970915B2Apr 30, 2024

Spider load indicator

WEATHERFORD TECH HOLDINGS LLC0 citations59

US10822893B2Nov 3, 2020

Apparatus and methods for tong operation

WEATHERFORD TECH HOLDINGS LLC0 citations48