Solinst Canada Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6758274 Sample extraction system for boreholesMar 20, 02Jul 06, 04[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7222668 Sample extraction system for boreholesExpiredJul 01, 04May 29, 07[E21B]
6843119 Apparatus for measuring and recording data from boreholesExpiredDec 30, 02Jan 18, 05[E21B]
6581682 Expandable borehole packerExpiredSep 28, 00Jun 24, 03[E21B]
6550321 Apparatus for measuring and recording data from boreholesExpiredOct 05, 00Apr 22, 03[E21B]
6286603 Packing system and method for boreholesExpiredFeb 03, 00Sep 11, 01[E21B]
6158276 Apparatus for measuring and recording data from boreholesExpiredSep 18, 98Dec 12, 00[E21B]
5526879 Introduction of particulate material into a boreholeExpiredJun 21, 93Jun 18, 96[E21B]
5255945 End-to-end jointing system for tubes and pipesExpiredDec 02, 91Oct 26, 93[F16L]
5237857 Down-hole liquid detecting apparatusExpiredFeb 23, 90Aug 24, 93[G01N, E21B]
5195583 Borehole packerExpiredSep 25, 91Mar 23, 93[E21B]
5031452 Water level probeExpiredFeb 23, 90Jul 16, 91[G01F]
4989452 Liquid-level detectorExpiredJun 23, 89Feb 05, 91[G01N, G01F]
4928541 Groundwater sampling apparatusExpiredFeb 02, 89May 29, 90[E21B]
4902976 Probe for detecting the presence of magnetic material in a ground holeExpiredJun 24, 88Feb 20, 90[G01N, G01V]

Top Inventors for This Owner

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