Hector F.A. Van Drentham-Susman

Follow

Person

Aberdeenshire, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Speed governor
- Patent number 6,854,953
- Issue date Feb 15, 2005
- Rotech Holdings, Limited
- Hector F. A. Van Drentham-Susman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Window cutting tool for well casing
- Patent number 6,581,690
- Issue date Jun 24, 2003
- Rotech Holdings, Limited
- Hector F. A. Van Drentham-Susman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Turbine for down-hole drilling
- Patent number 6,527,513
- Issue date Mar 4, 2003
- Rotech Holdings Limited
- Hector F.A. Van Drentham-Susman
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Expandable downhole tool
- Publication number 20040112587
- Publication date Jun 17, 2004
- Hector Filippus Alexander Van Drentham Susman
- E21 - EARTH DRILLING MINING
Information Patent Application
Speed governor
- Publication number 20030029308
- Publication date Feb 13, 2003
- Hector F. A. Van Drentham-Susman
- E21 - EARTH DRILLING MINING
Information Patent Application
Guide apparatus
- Publication number 20020144815
- Publication date Oct 10, 2002
- Hector F.A. Van Drentham-Susman
- E21 - EARTH DRILLING MINING
Information Patent Application
Guide device
- Publication number 20020070021
- Publication date Jun 13, 2002
- Hector F.A. Van Drentham-Susman
- E21 - EARTH DRILLING MINING