Petri AHOLA

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Gavle, SE

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Patents Grantslast 30 patents

Information Patent Grant
Drill rod or adaptor with strengthened spigot coupling
- Patent number 11,162,619
- Issue date Nov 2, 2021
- Sandvik Intellectual Property AB
- Petri Ahola
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shank adaptor with strengthened flushing hole
- Patent number 10,087,686
- Issue date Oct 2, 2018
- Sandvik Intellectual Property AB
- Anna Nordstrand
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill string component
- Patent number 9,593,541
- Issue date Mar 14, 2017
- Sandvik Intellectual Property AB
- Petri Ahola
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SHANK ADAPTOR WITH STRENGTHENED FLUSHING HOLE
- Publication number 20180171723
- Publication date Jun 21, 2018
- Sandvik Intellectual Property AB
- Anna NORDSTRAND
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL ROD OR ADAPTOR WITH STRENGTHENED SPIGOT COUPLING
- Publication number 20180135782
- Publication date May 17, 2018
- Sandvik Intellectual Property AB
- PETRI AHOLA
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL STRING COMPONENT
- Publication number 20160208561
- Publication date Jul 21, 2016
- Petri AHOLA
- E21 - EARTH DRILLING MINING