Herrenknecht AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 126
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL466
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES 125
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
E21C MINING OR QUARRYING121

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0290,135 Protective element, concrete element, and method for producing a concrete elementJun 15, 16Oct 06, 16[E21D, B28B, B29C]
2016/0053,614 PROTECTIVE ELEMENT, CONCRETE ELEMENT, AND METHOD FOR PRODUCING A CONCRETE ELEMENTFeb 18, 15Feb 25, 16[E21D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909418 Protective element, concrete element, and method for producing a concrete elementJun 15, 16Mar 06, 18[E21D, B28B, B29C, B29L]
9732613 Roller cutter arrangement and cutting wheel equipped with said roller cutter arrangementJun 15, 15Aug 15, 17[E21D]
9518465 Method and device for transporting overburden away during tunnellingOct 07, 13Dec 13, 16[E21D]
9388691 Protective element, concrete element, and method for producing a concrete elementJan 12, 10Jul 12, 16[E21D]
9222233 Method and device for creating an underwater foundation of a buildingApr 07, 10Dec 29, 15[E02D]
9181800 Device for monitoring the state of rotation of a disk cutter arrangement of a shield tunnel boring machine and disk cutter arrangement for a shield tunnel boring machineSep 14, 12Nov 10, 15[E21D]
8757731 Method for introducing a vertical shaft and shaft driving machineJun 14, 13Jun 24, 14[E21D]
8613568 Method and device for laying pipelines in the groundOct 24, 12Dec 24, 13[F16L]
8568059 Method and device for laying pipelines in the groundDec 20, 07Oct 29, 13[F16L]
8534765 Method for introducing a vertical shaft and shaft driving machineJul 31, 08Sep 17, 13[E21D, E21C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0308,265 DEVICE FOR EXCAVATING A SHAFTAbandonedOct 10, 13Oct 29, 15[E21C]
2015/0285,073 CUTTING RING FOR A CUTTING ROLLER FOR QUARRYING AND CUTTING ROLLER FOR QUARRYINGAbandonedOct 09, 13Oct 08, 15[E21C]
6923597 Tail shield for a shield tunneling apparatusExpiredAug 13, 03Aug 02, 05[E21D]

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