Patents/Inventors

Richard Johnston

West LothianGB5 patents

5 Patents

US120440932024
Apparatus and Method Relating to Managed Pressure Drilling
OIL STATES INDUSTRIES (UK) LIMITED
0 cites
US118281112023
Apparatus and Method Relating to Managed Pressure Drilling
Oil States Industries (UK) Limited
0 cites
US118135342023
Computerized Method and Computing Platform for Centrally Managing Skill-based Competitions
METAFLO LLC
0 cites
US117087272023
Connection System for a Marine Drilling Riser
OIL STATES INDUSTRIES (UK) LIMITED
0 cites
US116543572023
Computerized Method and Computing Platform for Centrally Managing Skill-based Competitions
METAFLO, LLC
0 cites