Inventor
SEDGEMAN ROBERT DONALD JOHN
GB7 patents
⚠️ This page may combine multiple inventors who share the name “SEDGEMAN ROBERT DONALD JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMART STABILIZER SYSTEMS LTD
3 patentsUS9140067B2Sep 22, 2015
Braking mechanism for a downhole tool
SMART STABILIZER SYSTEMS LTD2 citations59
US8051928B2Nov 8, 2011
Downhole assembly and cutter assembly
SMART STABILIZER SYSTEMS LTD1 citations48
US7766102B2Aug 3, 2010
Downhole assembly and cutter assembly
SMART STABILIZER SYSTEMS LTD1 citations48
ROCKATEK LTD
3 patentsUS12497844B2Dec 16, 2025
High frequency torsional oscillation mitigation tool
ROCKATEK LTD0 citations56
US12345157B2Jul 1, 2025
Piston and cylinder assembly of a downhole tool, downhole tool with a piston and cylinder assembly, and method of assembling the piston and cylinder
ROCKATEK LTD0 citations56
US11993985B2May 28, 2024
Downhole assembly to mitigate high frequency torsional oscillation, and oscillation mitigation tool suitable for use in a downhole assembly
ROCKATEK LTD1 citations56