Assignee
BOART INT LTD
15 granted patents·310 citations·filing 1979–1992
Top patents by PatentIndex Score
15 records- 0178US4530527AConnection of drill tubesBOART INT LTD·Filed 1982·Granted Jul 23, 1985·64 cites·6 claims
- 0278US4295751AThread structure for percussion drill elementsBOART INT LTD·Filed 1979·Granted Oct 20, 1981·51 cites·20 claims
- 0373US5020612AWire line core drilling apparatusBOART INT LTD·Filed 1990·Granted Jun 4, 1991·80 cites·2 claims
- 0458US4458947AMining methodBOART INT LTD·Filed 1981·Granted Jul 10, 1984·24 cites·10 claims
- 0554US4793427ADisc cutters for rock working machinesBOART INT LTD·Filed 1987·Granted Dec 27, 1988·25 cites·3 claims
- 0645US5182971AButton sharpeningBOART INT LTD·Filed 1992·Granted Feb 2, 1993·10 cites·8 claims
- 0741US4419979ADressing and forming of grinding wheelsBOART INT LTD·Filed 1981·Granted Dec 13, 1983·6 cites·6 claims
- 0834US4284136APositioning deflection wedgesBOART INT LTD·Filed 1979·Granted Aug 18, 1981·9 cites·5 claims
- 0933US4867338AHigh temperature sealBOART INT LTD·Filed 1985·Granted Sep 19, 1989·6 cites·8 claims
- 1033US4593769ARotary rock drilling chuckBOART INT LTD·Filed 1984·Granted Jun 10, 1986·5 cites·8 claims
- 1133US4491457ADrilling bitBOART INT LTD·Filed 1983·Granted Jan 1, 1985·5 cites·3 claims
- 1229US4299298ADown-the-hole drillingBOART INT LTD·Filed 1980·Granted Nov 10, 1981·11 cites·6 claims
- 1327US4427062APositioning of deflection wedgesBOART INT LTD·Filed 1982·Granted Jan 24, 1984·7 cites·10 claims
- 1425US4432422ABorehole guide and method of boring interpenetrating holesBOART INT LTD·Filed 1981·Granted Feb 21, 1984·3 cites·18 claims
- 1522US4305462AApparatus for positioning deflection wedgesBOART INT LTD·Filed 1979·Granted Dec 15, 1981·4 cites·2 claims
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