Assignee
TAMROCK OY
FI38 patents
Top patents by PatentIndex Score
US5351763AOct 4, 1994
Arrangement for an axial bearing in a drilling machine
TAMROCK OY32 citations92
US6186246B1Feb 13, 2001
Method for adjusting drilling of drilling machine and rock drill
TAMROCK OY28 citations91
US5884712AMar 23, 1999
Arrangement for a telescope feeder of a rock-drilling machine
TAMROCK OY22 citations91
US5699261ADec 16, 1997
Control arrangement for rock drilling equipment
TAMROCK OY23 citations91
US5979291ANov 9, 1999
Hydraulically operated percussion hammer
TAMROCK OY46 citations90
US5778990AJul 14, 1998
Arrangement in a hydraulically operated rock drilling equipment
TAMROCK OY32 citations90
US5458207AOct 17, 1995
Method and an equipment for adjusting rock drilling
TAMROCK OY55 citations90
US6073706AJun 13, 2000
Hydraulically operated impact device
TAMROCK OY35 citations89
USD420685SFeb 15, 2000
Cockpit for a drilling machine
TAMROCK OY38 citations89
US5806616ASep 15, 1998
Arrangement in a rock drilling equipment
TAMROCK OY34 citations89
USD394069SMay 5, 1998
Cabin for a drilling machine
TAMROCK OY25 citations89
US5297661AMar 29, 1994
Power supply means for electrically operated apparatuses and a switch for the power supply means
TAMROCK OY22 citations89
US6012707AJan 11, 2000
Arrangement for controlling tension in a winch cable connected to rock drilling equipment
TAMROCK OY33 citations88
US5934387AAug 10, 1999
Method for determining the position of a tool of a rock drill
TAMROCK OY24 citations88
US5383524AJan 24, 1995
Method and equipment for aligning the feeding beam of a rock drilling equipment
TAMROCK OY48 citations87
US5348106ASep 20, 1994
Method of drilling a hole in a rock
TAMROCK OY27 citations86
US5297642AMar 29, 1994
Apparatus for storing drill rods
TAMROCK OY26 citations86
US6135484AOct 24, 2000
Tow bar construction for transport vehicles and transport vehicle combinations, and a transport vehicle combination
TAMROCK OY29 citations84
US5409072AApr 25, 1995
Method and an arrangement for controlling the supply of air into a rock drilling machine
TAMROCK OY25 citations84
US6009957AJan 4, 2000
Arrangement in a feed beam of a rock drill
TAMROCK OY10 citations71
US5896935AApr 27, 1999
Arrangement in boom for rock drilling unit
TAMROCK OY7 citations71
US5784943AJul 28, 1998
Arrangement in a hydraulic cylinder
TAMROCK OY15 citations71
US5701962ADec 30, 1997
Arrangement for controlling the feed mechanism of a rock drill
TAMROCK OY13 citations70
US5687804ANov 18, 1997
Equipment for handling drill rods
TAMROCK OY13 citations70
US5279372AJan 18, 1994
Method of drilling holes in rock
TAMROCK OY7 citations68
US6158527ADec 12, 2000
Tool of a breaking apparatus
TAMROCK OY6 citations67
US6170317B1Jan 9, 2001
Arrangement for detecting a need for maintaining a hydraulic breaking apparatus
TAMROCK OY14 citations66
US5601148AFeb 11, 1997
Arrangement for measuring the position of a feed beam in a rock drilling apparatus and/or measuring the position of a rock drill
TAMROCK OY7 citations66
US5348105ASep 20, 1994
Method for aligning a feeding beam in a rock drilling equipment and a rock drilling equipment and a measuring device
TAMROCK OY14 citations66
US5310011AMay 10, 1994
Vertical drilling boom
TAMROCK OY16 citations66
US6119837ASep 19, 2000
Method and arrangement for controlling cable winding and unwinding in an electrically driven vehicle
TAMROCK OY15 citations65
US6015112AJan 18, 2000
Arrangement for leading flexible elements to a rock drill, and a hose reel structure
TAMROCK OY4 citations61
US5896936AApr 27, 1999
Arrangement for controlling boom for rock drilling unit
TAMROCK OY5 citations60
US5893421AApr 13, 1999
Arrangement for mounting swing cylinders in boom for rock drilling unit
TAMROCK OY5 citations59
US5799746ASep 1, 1998
Underground vehicle safety cab with safety bar
TAMROCK OY9 citations58
US5775458AJul 7, 1998
Support arrangement for a divided articulated shaft
TAMROCK OY3 citations57
US6086088AJul 11, 2000
Axle construction for a vehicle
TAMROCK OY5 citations54
US5307882AMay 3, 1994
Apparatus for feeding a drilling machine in extension rod drilling
TAMROCK OY0 citations34