John Barry

Follow

Person

Merewether Hts, AU

People

Patents Grantslast 30 patents

Information Patent Grant
Drill bit and drill tip having a tip-locating structure
- Patent number 7,051,822
- Issue date May 30, 2006
- Sandvik Intellectual Property AB
- John Barry
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILLING STRING, THREADED COUPLING, AND ROD ADAPTOR FOR ROTARY DRIL...
- Publication number 20220074273
- Publication date Mar 10, 2022
- Sandvik Mining and Construction G.m.b.H.
- Manoj Kumar SURYADEVARA
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill bit and drill tip having a tip-locating structure
- Publication number 20040245023
- Publication date Dec 9, 2004
- SANDVIK AB
- John Barry
- E21 - EARTH DRILLING MINING