Inventor · disambiguated record
Ossi Kahra
Also filed as: KAHRA OSSI
8 granted patents·1 pending application·63 citations·filing 1990–2017
85Inventor score
Files withKAHRA OSSI2SANDVIK MINING & CONSTRUCTION OY2SANDVIK TAMROCK OY2RAUTARUUKKI OY1SANDVIK INTELLECTUAL PROPERTY1
Top patents by PatentIndex Score
9 records- 0172US9777842B2Seal of tool and method of sealingSANDVIK MINING & CONSTRUCTION OY·Filed 2015·Granted Oct 3, 2017·2 cites·14 claims
- 0261US6929098B2Arrangement for lubricating bearing surfaces of a tool of a hydraulic impact hammerSANDVIK TAMROCK OY·Filed 2002·Granted Aug 16, 2005·16 cites·4 claims
- 0357US5784943AArrangement in a hydraulic cylinderTAMROCK OY·Filed 1997·Granted Jul 28, 1998·15 cites·9 claims
- 0455US9095968B2Tool for breaking hammer, breaking hammer, and use thereofKAHRA OSSI·Filed 2012·Granted Aug 4, 2015·2 cites·9 claims
- 0555US8550180B2Bearing of a breaking device toolKAHRA OSSI·Filed 2007·Granted Oct 8, 2013·4 cites·22 claims
- 0646US6561285B2Breaking apparatus and toolSANDVIK TAMROCK OY·Filed 2001·Granted May 13, 2003·9 cites·12 claims
- 0745US2017361445A1Arrangement in impact unitSANDVIK MINING & CONSTRUCTION OY·Filed 2017·Application pending·0 cites
- 0838US5123358ABogie construction of a railway carRAUTARUUKKI OY·Filed 1990·Granted Jun 23, 1992·12 cites·13 claims
- 0932USD676061SPistonSANDVIK INTELLECTUAL PROPERTY·Filed 2011·Granted Feb 12, 2013·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →