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Ossi Kahra

SO Sandvik Mining And Construction Oy: 3 patents #49 of 271Top 20%
SO Sandvik Tamrock Oy: 2 patents #9 of 57Top 20%
RO Rautaruukki Oyj: 1 patents #8 of 62Top 15%
SA Sandvik Intellectual Property Ab: 1 patents #389 of 773Top 55%
TO Tamrock Oy: 1 patents #19 of 42Top 50%
📍 Kangasala, FI: #20 of 135 inventorsTop 15%
Overall (All Time): #643,923 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9777842 Seal of tool and method of sealing Jyrki Nissinen 2017-10-03
9095968 Tool for breaking hammer, breaking hammer, and use thereof 2015-08-04
8550180 Bearing of a breaking device tool 2013-10-08
D676061 Piston Philipp Beierer 2013-02-12
6929098 Arrangement for lubricating bearing surfaces of a tool of a hydraulic impact hammer Jouko Ilmarinen, Mika Oksman, Timo Sippus 2005-08-16
6561285 Breaking apparatus and tool Juha Intonen, Jari Korkeila, Ilkka Niemi, Timo Sippus 2003-05-13
5784943 Arrangement in a hydraulic cylinder 1998-07-28
5123358 Bogie construction of a railway car Markku Kemppainen, Aki Kauhanen 1992-06-23