ROCKTEK LIMITED
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 23, 2006 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 277 Total Citation Count
- Aug 09, 1990 Earliest Filing
- 17 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7047886 Method and apparatus for removing obstructions in the minesExpiredNov 02, 01May 23, 06[F42B]
6708619 Cartridge shell and cartridge for blast holes and method of useExpiredFeb 26, 01Mar 23, 04[F42B]
2004/0007,911 Apparatus and method for fracturing a hard materialAbandonedFeb 19, 03Jan 15, 04[E21C]
2002/0178,955 Controlled electromagnetic induction detonation system for initiation of a detonatable materialAbandonedMay 22, 02Dec 05, 02[F42C]
6435096 Method and apparatus for controlled small-charge blasting by decoupled explosiveExpiredNov 10, 00Aug 20, 02[F42B]
6422145 Controlled electromagnetic induction detonation system for initiation of a detonatable materialExpiredJul 10, 00Jul 23, 02[F42B]
6347837 Slide assembly having retractable gas-generator apparatusExpiredApr 09, 99Feb 19, 02[F24D, E21C]
6339992 Small charge blasting apparatus including device for sealing pressurized fluids in holesExpiredApr 09, 99Jan 22, 02[F42B]
6332401 Method and apparatus for pressure wave suppression in small-charge blastingExpiredApr 09, 99Dec 25, 01[F42D, F42B]
6321655 Method and apparatus for flyrock control in small charge blastingExpiredApr 09, 99Nov 27, 01[F42D]
6148730 Method and apparatus for controlled small-charge blasting by pressurization of the bottom of a drill holeExpiredJan 22, 99Nov 21, 00[F42B, E21B]
6145933 Method for removing hard rock and concrete by the combination use of impact hammers and small charge blastingExpiredJun 11, 99Nov 14, 00[E21C]
6035784 Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill holeExpiredAug 02, 96Mar 14, 00[F42B, E21B]
5803550 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blastingExpiredAug 07, 96Sep 08, 98[F42D, E21C]
5098163 Controlled fracture method and apparatus for breaking hard compact rock and concrete materialsExpiredAug 09, 90Mar 24, 92[F42D, F21C]
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