Ossi Kahra

Follow

Person

Lahti, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Seal of tool and method of sealing
- Patent number 9,777,842
- Issue date Oct 3, 2017
- Sandvik Mining and Construction Oy
- Ossi Kahra
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Tool for breaking hammer, breaking hammer, and use thereof
- Patent number 9,095,968
- Issue date Aug 4, 2015
- Sandvik Mining and Construction Oy
- Ossi Kahra
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Bearing of a breaking device tool
- Patent number 8,550,180
- Issue date Oct 8, 2013
- Sandvik Mining and Construction Oy
- Ossi Kahra
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Arrangement for lubricating bearing surfaces of a tool of a hydraul...
- Patent number 6,929,098
- Issue date Aug 16, 2005
- Sandvik Tamrock Oy
- Jouko Ilmarinen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Breaking apparatus and tool
- Patent number 6,561,285
- Issue date May 13, 2003
- Sandvik Tamrock Oy
- Juha Intonen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Arrangement in a hydraulic cylinder
- Patent number 5,784,943
- Issue date Jul 28, 1998
- Tamrock OY
- Ossi Kahra
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
SEAL OF TOOL AND METHOD OF SEALING
- Publication number 20160123472
- Publication date May 5, 2016
- SANDVIK MINING AND CONSTRUCTION OY
- Ossi KAHRA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Tool for breaking hammer, breaking hammer, and use thereof
- Publication number 20140346840
- Publication date Nov 27, 2014
- SANDVIK MINING AND CONSTRUCTION OY
- Ossi Kahra
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Bearing of a breaking device tool
- Publication number 20080173457
- Publication date Jul 24, 2008
- SANDVIK MINING AND CONSTRUCTION OY
- Ossi Kahra
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Arrangement for lubricating bearing surfaces of a tool of a hydraul...
- Publication number 20030121725
- Publication date Jul 3, 2003
- Jouko Ilmarinen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Breaking apparatus and tool
- Publication number 20020040798
- Publication date Apr 11, 2002
- Juha Intonen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING