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HEIDENAU ZELLSTOFF & PAPIER

Overview
  • Total Patents
    49
About

HEIDENAU ZELLSTOFF & PAPIER has a total of 49 patent applications. Its first patent ever was published in 1982. It filed its patents most often in German Democratic Republic, Bulgaria and Germany. Its main competitors in its focus markets textiles and paper, measurement and environmental technology are LI CHENZHONG, SHEN JING and AFC LTD.

Patent filings in countries

World map showing HEIDENAU ZELLSTOFF & PAPIERs patent filings in countries
# Country Total Patents
#1 German Democratic Republic 46
#2 Bulgaria 1
#3 Germany 1
#4 Hungary 1

Patent filings per year

Chart showing HEIDENAU ZELLSTOFF & PAPIERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 George Juergen 5
#2 Nicke Rolf 5
#3 Tappe Monika 5
#4 Borchers Bernhard 5
#5 Alber Wolfgang 4
#6 Voelkel Hans-Georg 4
#7 Tristram Holger 4
#8 Berger Herbert 3
#9 Killenberg Ernst 3
#10 Pensold Sabine 3

Latest patents

Publication Filing date Title
DD291985A5 Method for improving the rheological properties of kaolinsuspensions
DD291840A5 Device for determining the white level or bzw. the spectral remissionengrade of moisture fibrous materials or bzw. of fibrous suspensions on fiber cake
DD301567A7 Suction device with particle separator
DD289040A5 Process for producing organic intermediate products from deposits or lignines of the cellulose closure and the backpack of wood hydrolysis
DD277393A1 Method for reducing sulfur dioxide content in smoke gas for the chemical recovery of the magnesium bisulfit process
DD277099A1 Arrangement for single loop sorting of wooden slip
DD274279A1 Device for the rheological evaluation of fluid paper mixtures
DD270284A1 Mounting device for foorder and working gates with horizontal and vertical adjusting devices
DD300564A5 A camouflage means
DD265893A1 Method for producing nitrogen devices from ammonium bisulfite pulp waste
DD266810A1 Traiter medium for the growing, reproduction and conservation of cultural plants and bacteria
DD266746A1 Method for the pointful application of adhesives to paper webs or bows
DD266820A1 Method for glueing paper, carton and paper in neutral ph-value area
DD264246A1 Process for reducing the content of harmful resin in pulp
DD263547A1 Process for the production of special viscose oreegenerate fibers
DD274750A3 Method for producing two-stage paper for labeling purposes
DD262255A1 Method for reducing the chloride content in the chemical circuit in the magnesium bisulfite circuit
DD261006A1 Regulatory structure for regulating the absolutely dry fluid mass and paper humidity
DD260098A1 Process for producing sealing special papers
DD261133A1 Attachment unit for loading schuettgut and dgl.