Inventor
KESKINIVA MARKKU
FI26 patents
⚠️ This page may combine multiple inventors who share the name “KESKINIVA MARKKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANDVIK MINING & CONSTR OY
9 patentsUS7717190B2May 18, 2010
Method for controlling percussion device, software production, and percussion device
SANDVIK MINING & CONSTR OY16 citations83
US7322425B2Jan 29, 2008
Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device
SANDVIK MINING & CONSTR OY10 citations83
US7878263B2Feb 1, 2011
Pressure-fluid-operated percussion device
SANDVIK MINING & CONSTR OY9 citations82
US7290622B2Nov 6, 2007
Impact device with a rotable control valve
SANDVIK MINING & CONSTR OY14 citations82
US7836969B2Nov 23, 2010
Method for controlling pressure fluid operated percussion device, and percussion device
SANDVIK MINING & CONSTR OY4 citations61
US7441608B2Oct 28, 2008
Percussion device with a transmission element compressing an elastic energy storing material
SANDVIK MINING & CONSTR OY2 citations61
US7252154B2Aug 7, 2007
Percussion device with a transmission element compressing an elastic energy storing material
SANDVIK MINING & CONSTR OY4 citations61
US7895900B2Mar 1, 2011
Measuring device, rock breaking device and method of measuring stress wave
SANDVIK MINING & CONSTR OY3 citations57
US7743851B2Jun 29, 2010
Method and rock drilling rig for hole drilling
SANDVIK MINING & CONSTR OY0 citations51
SANDVIK TAMROCK OY
5 patentsUS7013996B2Mar 21, 2006
Impact device
SANDVIK TAMROCK OY21 citations91
US6938702B2Sep 6, 2005
Method and equipment for controlling operation of rock drilling apparatus
SANDVIK TAMROCK OY30 citations89
US7114576B2Oct 3, 2006
Method and arrangement of controlling of percussive drilling based on the stress level determined from the measured feed rate
SANDVIK TAMROCK OY15 citations84
US7178447B2Feb 20, 2007
Control valve and a method for a percussion device with a working cycle involving several coupling moments
SANDVIK TAMROCK OY4 citations61
US7051525B2May 30, 2006
Method and apparatus for monitoring operation of percussion device
SANDVIK TAMROCK OY6 citations61
KESKINIVA MARKKU
5 patentsUS8151901B2Apr 10, 2012
Impact device and method for generating stress pulse therein
KESKINIVA MARKKU8 citations82
US8061434B2Nov 22, 2011
Percussion device
KESKINIVA MARKKU5 citations61
US9108311B2Aug 18, 2015
Percussion device
KESKINIVA MARKKU3 citations60
US9067310B2Jun 30, 2015
Sealing arrangement in rotating control valve of pressure fluid-operated percussion device
KESKINIVA MARKKU2 citations60
US9138879B2Sep 22, 2015
Method and arrangement for lubricating drill shank of rock drilling machine
KESKINIVA MARKKU0 citations39
MINCON INT LTD
4 patentsUS11725456B2Aug 15, 2023
Hydraulic down-the-hole hammer and subsea pile
MINCON INT LTD0 citations61
US12252937B2Mar 18, 2025
Drilling device with fluid column resonator
MINCON INT LTD0 citations51
US12146387B2Nov 19, 2024
Flapper valve for percussion drill tools
MINCON INT LTD0 citations42
US12024950B2Jul 2, 2024
Flushing and connection arrangements for percussion drill tools
MINCON INT LTD0 citations42