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ZWECKFORM WERK

Overview
  • Total Patents
    38
About

ZWECKFORM WERK has a total of 38 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Germany, EPO (European Patent Office) and France. Its main competitors in its focus markets audio-visual technology, packaging and shipping and textiles and paper are GEN OUTDOOR ADVERTISING CO INC, CHICAGO SHOW PRINTING COMPANY and MAGILL WEINSHEIMER COMPANY.

Patent filings in countries

World map showing ZWECKFORM WERKs patent filings in countries

Patent filings per year

Chart showing ZWECKFORM WERKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Will Rolf 10
#2 Ast Hans-Peter 9
#3 Will Rolf Dipl Ing 7
#4 Lang Josef 5
#5 Ast Hans Peter Ing Grad 4
#6 Pischetsrieder Albert 3
#7 Ast Hans-Peter Dipl Ing 3
#8 Ast Hans-Peter Ing Grad 2
#9 Ast H P 2
#10 Lorenz Horst 2

Latest patents

Publication Filing date Title
EP0195427A2 Multilayer stack comprising a label on a carrier
EP0191497A2 Device for storing and presenting note pads
DE3602991A1 CONTAINER CONTAINING PACKAGE
EP0176704A1 Multilayered adhesive label shrinkable onto the circumferential surface of an object
DE3431239A1 Security label for indicating the unauthorised opening of a package
DE3430627A1 Label carrier tape
DE3430162A1 Multi-layer adhesive label which is shrinkable onto a circumferential surface of a body
DE3417371A1 Device for checking proper closure of a folding box
DE3322309A1 MULTIPLE-LAYER ADHESIVE LABELS ON A SURFACE OF A BODY, IN PARTICULAR A DRY BATTERY
DE3127626A1 Picture reverse-side sticker
DE3031208A1 Plastics bag contg. coffee has pressure relief valve - with zone seal welded esp. with polyethylene to base of valve
DE3020295A1 MULTILAYER LOCKING
DE3015281A1 LABELING STATION FOR LABELING MACHINES
DE3009892A1 Form book made up of sheets of self carbonised paper - has carton sheet for insertion between any two sheets to determine number of copies
DE2931850A1 DEVICE FOR RELIEFING THE INTERIOR OF A ROASTED COFFEE OR THE LIKE. FILLED PLASTIC BAG OF INADMISSIBLE PRESSURE
DE2931852A1 Label fixed detachably to carrier for handling - and protected by transparent or opaque easily removed cover
DE2931853A1 MULTILAYERED LOCKING FOR A TUBE OPENING
DE2845168A1 Pocket holding photographs or stamps - includes self-adhesive labels having adhesive on both sides mounted on support base and covered by protective layer
DE2840269A1 Coded adhesive labels on strip backing - have separate peel-off strip carrying identifying bar chart coding for label
DE2753239A1 Laminated adhesive tape as anti-tamper device for bottle closures - is coated with acrylic! glue and incorporates strong PVC, polyester or acetate lamina