Inventor · disambiguated record
Ralf Grief
Also filed as: GRIEF RALF
5 granted patents·5 pending applications·11 citations·filing 2002–2024
70Inventor score
Files withSANDVIK MINING AND CONSTRUCTION GMBH3VOEST ALPINE BERGTECHNIK3SANDVIK INTELLECTUAL PROPERTY2GERER ROMAN1GRIEF RALF1
Top patents by PatentIndex Score
10 records- 0155US2025314172A1Roadheader and cutter head thereforSANDVIK MINING AND CONSTRUCTION GMBH·Filed 2024·Application pending·0 cites
- 0252US7175237B2Hewing or cutting rollVOEST ALPINE BERGTECHNIK·Filed 2005·Granted Feb 13, 2007·1 cites·14 claims
- 0348US7198332B2Device for producing a gas-liquid mixture in the vicinity of cutting toolsVOEST ALPINE BERGTECHNIK·Filed 2003·Granted Apr 3, 2007·7 cites·15 claims
- 0444US6785988B2Driving or mining machineVOEST ALPINE BERGTECHNIK·Filed 2002·Granted Sep 7, 2004·3 cites·23 claims
- 0539US2025052155A1Wear protection cap and a bit holder arrangementSANDVIK MINING AND CONSTRUCTION GMBH·Filed 2022·Application pending·0 cites
- 0637US11299987B2Heading machine with cusp cutterSANDVIK MINING AND CONSTRUCTION GMBH·Filed 2018·Granted Apr 12, 2022·0 cites·17 claims
- 0735US2012068528A1Cutting device for a mining machineGRIEF RALF·Filed 2010·Application pending·0 cites
- 0835US2020378253A1Rotary cutting head with fluid supply ductingSANDVIK INTELLECTUAL PROPERTY·Filed 2017·Application pending·0 cites
- 0932US10781641B2Rotary claw drill bitSANDVIK INTELLECTUAL PROPERTY·Filed 2016·Granted Sep 22, 2020·0 cites·12 claims
- 1031US2012056465A1Cutting tool for a mining machineGERER ROMAN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →