E21D

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Description

SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS (soil-conditioning or soil-stabilising materials C09K 17/00; cutting machines for mining or quarrying E21C; safety devices, transport, rescue, ventilation or drainage E21F)

Subclasses

Not Available
Subclass Title
1/00 Sinking shafts
1/02 Sinking shafts by hand
1/03 Sinking shafts mechanically (E21D 1/08 takes precedence)
1/04 Sinking shafts mechanically (E21D 1/08 takes precedence) with grabs
1/06 Sinking shafts mechanically (E21D 1/08 takes precedence) with shaft-boring cutters (drilling machines E21B)

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Recent Patents

Not Available
Patent #TitleFiling DateIssue DatePatent Owner
9,109,445 Shield canopy for a shield-type support Nov 16, 10 Aug 18, 15 CATERPILLAR GLOBAL MINING EUROPE GMBH, CATERPILLAR GLOBAL MINING EUROPE GMBH
9,097,112 Method for anchoring a device in multilayer soil Jan 26, 15 Aug 04, 15 SOCIETE INDUSTRIELLE DE PRODUITS MECANIQUES ANCR'EST, SOCIETE INDUSTRIELLE DE PRODUITS MECANIQUES ANCR'EST

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Recent Publications

Not Available
Publication #TitleFiling DatePub DatePatent Owner
2015/0232,280 Roof Mountable Support System Sep 13, 13 Aug 20, 15 , BULK SOLUTIONS PTY LTD
2015/0233,242 COMPREHENSIVE ADVANCED GEOLOGICAL DETECTION SYSTEM CARRIED ON TUNNEL BORING MACHINE Jan 26, 14 Aug 20, 15 , Not available
2015/0233,243 METHOD AND DEVICE FOR TRANSPORTING OVERBURDEN AWAY DURING TUNNELLING Oct 07, 13 Aug 20, 15 HERRENKNECHT AG,
2015/0233,244 ROCK BOLT Feb 18, 15 Aug 20, 15 MINE SUPPORT PRODUCTS (PTY) LTD,
2015/0225,173 TUNNELED GAS STORAGE Jul 17, 13 Aug 13, 15 ,
2015/0226,248 Torque Tension Breakaway Nut Feb 13, 15 Aug 13, 15 ,
2015/0218,944 Method Pertaining To A Rock Bolting Configuration, A Rock Bolting Configuration, A Vehicle Comprising A Rock Bolting Configuration And A Computer Program Product Aug 26, 13 Aug 06, 15 ATLAS COPCO ROCK DRILLS AB,
2015/0218,945 ROCK BOLTING MACHINE AND APPARATUS Dec 24, 14 Aug 06, 15 ,
2015/0218,946 TRAVELLING BOOM FOR ROCK BOLTING MACHINE AND APPARATUS Dec 24, 14 Aug 06, 15 ,
2015/0218,947 METHOD OF OPERATING A ROCK BOLTING MACHINE Dec 24, 14 Aug 06, 15 ,
2015/0211,205 CONSTRUCTION SYSTEM FOR SUBWAY STATION Jan 29, 15 Jul 30, 15 GUANGZHOU XINQIAO CONSTRUCTION SERVICE CO., LTD.,
2015/0211,367 DRILL AND BLAST METHOD AND APPARATUS FOR THE SAME Sep 27, 13 Jul 30, 15 CENTRE FOR EXCELLENCE IN MINING INNOVATION,

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Patents Issued To Date - By Filing Year

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