Stemlock, Incorporated

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 591
 
  
 
F42D BLASTING 212
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
F42B EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION 138

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9677358 Fluid release mechanism for a chemically-inflatable bagJan 28, 14Jun 13, 17[F42D, B01J, B01F, E21B]
8152418 Deploying a chemically-inflatable bag with an unfurling actionJul 16, 09Apr 10, 12[B65D]
6722105 Method of making an inflatable gas bag for use as a borehole plugMar 20, 03Apr 20, 04[B65B]
6619387 Inflatable gas bag for use as a borehole plugSep 12, 01Sep 16, 03[E21B]
6213212 Spherical stemming plug and method of useJul 23, 99Apr 10, 01[E21B]
5346005 Inflatable borehole plug assembliesDec 23, 92Sep 13, 94[E21B]
5198613 Waterproof device for holding explosives in a borehole and method for using the sameFeb 04, 91Mar 30, 93[F42B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0007,147 Inflatable gas bag for use as a borehole plugAbandonedJul 09, 03Jan 15, 04[F42D]
4846278 Borehole plug and methodExpiredMay 26, 87Jul 11, 89[E21B]

Top Inventors for This Owner

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