DYWIDAG-SYSTEMS INTERNATIONAL GMBH

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 818
 
  
 
E01D BRIDGES 69
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 419
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 412
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B25G HANDLES FOR HAND IMPLEMENTS 113
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
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
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

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
2016/0168,855 CORROSION-PROTECTED TENSION MEMBER AND PLASTICALLY DEFORMABLE DISC OF CORROSION PROTECTION MATERIAL FOR SUCH A TENSION MEMBERJul 30, 14Jun 16, 16[E04C, E01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879397 Strand pressure-pipe anchorDec 30, 14Jan 30, 18[E02D]
9062421 Protection system for tension members of a structure for collecting ice accumulations detaching from a tension memberJul 29, 14Jun 23, 15[E04C, H02G, E01D]
9009899 Arrangement for supporting a brace, in particular a stay cable, transversely to the longitudinal extent thereofJan 06, 14Apr 21, 15[E04C, E01D]
8702066 Device and method for controlling a prestressing jack when tensioning a tendonJan 14, 11Apr 22, 14[E04C, B66F]
8142109 Corrosion-protected, self-drilling anchor and anchor subunit and method for the production thereofSep 20, 10Mar 27, 12[E21D]
7967532 Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head designJan 28, 09Jun 28, 11[E21D, E04C, E02D]
7950093 Tension member for structures and method for manufacturing the sameApr 14, 08May 31, 11[E01D]
7200886 Construction of a corrosion-resistant tension member in the area where it enters a structure, particularly an inclined cable on the pylon of a cable stayed bridgeJun 01, 05Apr 10, 07[E01D]
7181890 Anchoring device for a corrosion-resistant tension member, particularly an inclined cable for a cable-stayed bridgeOct 04, 04Feb 27, 07[E04C]
7174684 Corrosion-resistant tension member, particularly a tendon for prestressed concreteAug 02, 04Feb 13, 07[E04C]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0204,152 METHOD FOR DRILLING HOLES IN SOIL OR ROCK MATERIAL AND FOR FIXING AN ANCHOR IN A BOREHOLE AND APPARATUS THEREFORAbandonedApr 03, 13Jul 23, 15[E21D, E02D, E21B]
2013/0098,689 TWO-PART DRILLING TOOL FOR THE PERCUSSIVE OR ROTARY PERCUSSIVE DRILLING OF HOLES IN SOIL MATERIAL OR ROCK MATERIALAbandonedApr 06, 11Apr 25, 13[E21B]
2012/0247,835 METHOD FOR THE DRILLING, IN PARTICULAR PERCUSSION OR ROTARY PERCUSSION DRILLING, OF HOLES IN SOIL OR ROCK MATERIAL AND DEVICE THEREFORAbandonedNov 05, 10Oct 04, 12[E21B]
2012/0139,237 PIPE CONNECTION AND DEVICE FOR FORMING A PIPE CONNECTIONAbandonedJul 14, 10Jun 07, 12[F16L, B21D]
2010/0282,513 METHOD AND DEVICE FOR DRILLING A HOLE IN GROUND OR ROCK MATERIAL AND FORMING A BRACEAbandonedJun 17, 08Nov 11, 10[E21D, E21B]
7553108 Method and arrangement for stressing a staggered anchorageExpiredMar 10, 06Jun 30, 09[E02D]
7299516 Construction of a corrosion-resistant tension member in the area of a rerouting point arranged on a support, particularly an inclined cable on the pylon of a cable stayed bridgeExpiredJun 01, 05Nov 27, 07[E01D]
6360501 Guide unit for a tension member at a structural componentExpiredAug 02, 99Mar 26, 02[E04B, E04C]
6322281 Corrosion-protected tension member of steelExpiredJul 22, 99Nov 27, 01[E01D]
5924250 Sealing arrangement in a bundled tension member for prestressed concreteExpiredAug 14, 97Jul 20, 99[E04C]
4953379 Hot-rolled steel bar with helically extending ribs, method of and apparatus for producing the steel barExpiredOct 25, 88Sep 04, 90[B21H]
4904122 Anchoring device, such as a rock anchorExpiredAug 01, 88Feb 27, 90[E21D]
4878327 Corrosion protected tension member for use in prestressed concrete and method of installing sameExpiredMar 14, 88Nov 07, 89[E04C]
4877463 Method for producing rolled steel products, particularly threaded steel tension membersExpiredJun 07, 88Oct 31, 89[C21D]
4850746 Rock anchor assembly for securing roadways and wall surfaces of open cuts and tunnelsExpiredApr 18, 88Jul 25, 89[E21D]
4718209 Wedge anchorage for a tension member in a prestressed concrete structureExpiredOct 22, 85Jan 12, 88[E04C]
4648146 Apparatus for and method of assembling a tension tie memberExpiredApr 30, 85Mar 10, 87[E01D]
4648147 Support for a tension tie member, such as a diagonal cable in a stayed girder bridgeExpiredApr 30, 85Mar 10, 87[E01D]
4633540 Tension tie memberExpiredApr 30, 85Jan 06, 87[E01D]

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!.