UNIROC AB innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	Sweden	19
#2	Australia	14
#3	Canada	14
#4	United States	13
#5	EPO (European Patent Office)	12
#6	Finland	9
#7	South Africa	8
#8	Japan	5
#9	WIPO (World Intellectual Property Organization)	5
#10	Norway	4

#	Technology
#1	Earth drilling
#2	Unspecified technologies
#3	Percussive tools
#4	Venting or aerating devices
#5	Grinding or polishing devices
#6	Accessories for machine tools
#7	Shafts
#8	Grinding tools
#9	Punching metal

Publication	Filing date	Title
WO0192679A1	2001-05-18	Device for raise boring
AU1192500A	1999-09-22	Thread coupling for a drill string for percussive rock drilling
CA2345707A1	1999-09-22	Thread coupling for a drill string for percussive rock drilling
EP0889195A2	1998-05-13	Downhole hammer
US6003622A	1997-12-04	Drill tube for use in upward rock drilling
AU4542097A	1997-11-27	Three prong borer
ZA9710492B	1997-11-21	Rock drill bit
ZA9602910B	1996-04-12	Bit
EP0793764A1	1995-11-21	Thread coupling for drill string elements for percussive drilling
ZA9505301B	1995-01-01	Tool for working solid materials
CA2126027A1	1994-06-16	Thread coupling for drill string elements for percussion drilling
SE9302073L	1993-06-16	Fishing tool for freeing boring tool located in borehole - comprises coupling piece with spined hole in which splined striker bar moves forwards and backwards
EP0648155A1	1993-06-09	Vibration dampening grinding cup and grinding cup holder for handheld grinding machines
CA2091022A1	1993-03-04	Down-the-hole drilling machine
EP0549549A1	1992-12-01	Down-the-hole drill
EP0534919A1	1992-08-14	Rock drilling device
EP0516599A1	1992-04-13	Device in hammer machines
CA2096838A1	1991-11-20	Twisted percussion drill rod and manufacturing method
US5259469A	1991-01-17	Drilling tool for percussive and rotary drilling
CA2074076A1	1991-01-17	Drilling tool for percussive and rotary drilling