DSI UNDERGROUND SYSTEMS, INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 203
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 361
 
  
 
A01C PLANTING; SOWING; FERTILISING 129
 
  
 
A62C FIRE-FIGHTING 126
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 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
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 112
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0149,045 STACKABLE MINE ROCK SHIELDSFeb 08, 13Jun 13, 13[E21D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9376912 Apparatus and method for anchor bolt groutingAug 21, 13Jun 28, 16[E21D, E21F, F16B, B65B]
9120614 Method for preserving the firmness and internal pressure of a resin cartridge and improving the shelf-life of a resin cartridgeOct 12, 11Sep 01, 15[E21D, B65D, B65B]
8883868 Rock dusting compositions and methods of use thereofAug 11, 11Nov 11, 14[C08J, A62C, C08L]
8801337 Method of using a dome headed roof boltMar 20, 13Aug 12, 14[E21D, F16B]
8584974 Rock dusting apparatusAug 12, 11Nov 19, 13[B05B, B65G, A01C]
D669772 Coated mine roof boltApr 05, 11Oct 30, 12[0808]
D653680 Cable pusherJun 22, 10Feb 07, 12[1503]
7896581 Re-tensionable cable bolt apparatus and related methodDec 02, 05Mar 01, 11[E21D]
7780377 Friction stabilizers and roof bolt head markingsAug 06, 08Aug 24, 10[E21D]
7722295 Expansion shell assemblyApr 12, 04May 25, 10[E21D]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0056,023 MINE ROOF AND RIB SUPPORTAbandonedAug 21, 14Feb 26, 15[E21D]
2014/0308,081 TENSIONABLE ELONGATED BOLT DISPOSED WITH A SLEEVE AND METHOD OF USE THEREOFAbandonedApr 03, 14Oct 16, 14[E21D]
8550751 Non-tensionable cable bolt apparatus and related methodExpiredAug 03, 10Oct 08, 13[E21D]
8539992 Apparatus and method for anchor bolt groutingExpiredApr 27, 11Sep 24, 13[B65B]
8523494 Expansion shell assemblyExpiredMay 21, 10Sep 03, 13[E21D]
8277148 Re-tensionable cable bolt apparatus and related methodExpiredFeb 25, 11Oct 02, 12[E21D]
2010/0196,103 STACKABLE MINE ROCK SHIELDSAbandonedJan 28, 10Aug 05, 10[E02D]
2010/0080,649 Cable Coupler Having Retained WedgesAbandonedDec 07, 09Apr 01, 10[F16G]
7588394 Low profile mine roof supportExpiredMar 28, 08Sep 15, 09[E21D]
2009/0180,840 Dome headed roof boltAbandonedJan 11, 08Jul 16, 09[E21D]
6881015 Wedge barrel for a mine roof cable boltExpiredOct 01, 03Apr 19, 05[E21D, F16B]
6545068 Grouting compositionsExpiredFeb 09, 00Apr 08, 03[C09J, C08L]
6541545 Grouting compositionsExpiredMar 19, 99Apr 01, 03[C08L]
6499916 Compressible support columnExpiredMay 16, 01Dec 31, 02[E21D]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.