VOLKMANN GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 3131
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
  
 
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

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0296,960 OPERATING AND CHANGE APPARATUS FOR FILTER BODIES; FILTER BODIES AND PROCEDURE FOR FILTER CHANGE AS WELL AS A CONVEYOR WITH FILTERSApr 19, 17Oct 19, 17[B01D]
2017/0297,060 SCREENING SYSTEM WITH FEEDING SYSTEM, CONVEYING SYSTEM AND CONVEYING METHODApr 17, 17Oct 19, 17[B07B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8967422 Multilevel sheet metal container with outwardly beaded end facesJan 17, 14Mar 03, 15[B65D]
8349048 Filter arrangementMay 16, 08Jan 08, 13[B01D]
8157483 Method and device for rendering vacuum conveyors inertApr 20, 05Apr 17, 12[B65G]
7368671 Vacuum conveying apparatus with a weighing or metering deviceAug 05, 04May 06, 08[B65G]
7354469 Vacuum conveyor device with a multi-stage filter systemAug 05, 04Apr 08, 08[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0197,130 Multilevel sheet metal container with outwardly beaded end facesAbandonedApr 18, 08Aug 21, 08[B65D]
2004/0238,536 Multilevel sheet metal container with outwardly beaded end facesAbandonedMay 13, 04Dec 02, 04[B65D]
6681554 Yarn wetting apparatus particularly suitable for a two-for-one twisting spindle as well as two-for-one twisting spindle having such a yarn wetting apparatusExpiredNov 16, 01Jan 27, 04[D01H]
2003/0209,001 Twisting Spindle and Use of a Self-Threading Thread Guide or Centering Eye in the Area of a Protective Hood of a Twisting SpindleAbandonedMay 06, 03Nov 13, 03[D01H]
6484963 Winding frameExpiredMay 26, 00Nov 26, 02[B65H]
2002/0170,283 Method for restoring the operation of a yarn twist apparatus following a yarn breakAbandonedMay 16, 02Nov 21, 02[D01H]
6425236 Cable and yarn double-twisting spindleExpiredNov 20, 00Jul 30, 02[D01H]
6401443 Yarn brake and a two-for-one twisting spindle having such a yarn brakeExpiredJun 29, 01Jun 11, 02[D01H]
6363705 METHOD FOR JOINING FIBERS ONTO THE FREE ENDS OF TWO THREADS OF A YARN PRODUCED BY AN INTEGRATED OPEN END SPINNING AND TWISTING PROCESS AND A TWO-FOR-ONE SPINNING AND TWISTING APPARATUS FOR PERFORMING THE METHODExpiredApr 30, 01Apr 02, 02[D01H]
2002/0033,012 Method and apparatus for the simultaneous centralized control of the yarn brakes of twist spindles of a two-for-one twisting machineAbandonedSep 14, 01Mar 21, 02[D01H]
6347505 Yarn brake and a two-for-one twisting spindle having such a yarn brakeExpiredJun 29, 01Feb 19, 02[D01H]
2001/0037,640 Apparatus for temporarily retaining a thread segment having a pre-existing twistAbandonedApr 30, 01Nov 08, 01[B65H]
2001/0038,025 Yarn delivery apparatus having two delivery rollersAbandonedApr 30, 01Nov 08, 01[B65H]
6311468 Device for producing a twisted yarn by an integrated spinning and twisting process as well as fiber feed tubeExpiredFeb 07, 00Nov 06, 01[D01H]
6244028 SpindleExpiredApr 16, 99Jun 12, 01[D01H]
6196491 Method and device for winding yarn onto a conical spool bodyExpiredFeb 12, 99Mar 06, 01[B65H]
6052985 Device for producing a twisted yarn in a combined spinning and twisting processExpiredSep 08, 98Apr 25, 00[D01H]
6047535 Method for contact-free energy and signal transmission on textile machines, especially twisting machines as well as device for performing the methodExpiredAug 17, 98Apr 11, 00[D01H]
6047537 Method for producing a twisted yarn by an integrated spinning and twisting process according to the two-for-one principle as well as device for performing the methodExpiredFeb 25, 99Apr 11, 00[D01H]
6035620 Twisting spindle, especially two-for-one or direct cabling spindleExpiredSep 08, 98Mar 14, 00[D01H]

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