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WHD ELEKTRON PRUEFTECH GMBH

Overview
  • Total Patents
    125
About

WHD ELEKTRON PRUEFTECH GMBH has a total of 125 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Germany, EPO (European Patent Office) and Hungary. Its main competitors in its focus markets control, machines and textiles and paper are WHD ELEKTRONISCHE PRUFTECHNIK, TRANSMARINE CORP and NL BANK NV.

Patent filings per year

Chart showing WHD ELEKTRON PRUEFTECH GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Puttkammer Frank 116
#2 Puttkammer Monika 29
#3 Wolf Torsten 19
#4 Zscherpe Gunther 6
#5 Metzig Ronald 2
#6 Torsten Wolf 1
#7 Puttkamer Frank 1
#8 Bogatz Andreas 1
#9 Frank Puttkammer 1
#10 Zscherpe Guenther 1

Latest patents

Publication Filing date Title
DE10111851A1 security features
DE10111848A1 security features
DE10111847A1 security features
DE10111850A1 safety device
PL344862A1 Marking substances and security markings, method for integrating these into the pulp line and method for testing the same
DE19928059A1 Security marking for document and banknote paper
DE19928060A1 Optically variable security feature and process for its manufacture
DE19915155A1 Material for producing security markings in paper, eg. bank notes, consists of an electrically conducting polymer.
DE19915440A1 Security marking for document and banknote paper
PL194190B1 Tear-off thread for use in packages
CZ420899A3 Tear band for packaging film comprising distinguishing markings
DE19836503A1 Method for producing a security feature
CZ2000396A3 Structure of flexible optically effective safety elements and apparatus for checking such flexible optically effective safety elements
DE19812811A1 Construction of security elements for documents and devices for checking documents with such security elements as well as methods for using these security elements and devices
DE19812812A1 Construction of security elements for documents and devices for checking documents with such security elements, as well as methods for use
DE19808288A1 Tear-off thread for foil packaging
DE19734855A1 Device for testing diffraction-optically effective security elements
DE19718916A1 Application and method for checking documents with diffractive optical security layers
HRP960421A2 Method and devices for checking security documents
DE19620309A1 Test system in machine for detection of security characteristics in object to be tested