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WALHALLA KALK ENTWICKLUNGS UND

Overview
  • Total Patents
    19
About

WALHALLA KALK ENTWICKLUNGS UND has a total of 19 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Germany, EPO (European Patent Office) and Czechoslovakia. Its main competitors in its focus markets environmental technology, chemical engineering and materials and metallurgy are TAIZHOU JIURUN ENVIRONMENTAL PROTECTION TECH CO LTD, Wuxi sifang group co ltd and LONGKING COALOGIX ENVIRONMENTAL PROTECTION TECH SHANGHAI CO LTD.

Patent filings in countries

World map showing WALHALLA KALK ENTWICKLUNGS UNDs patent filings in countries
# Country Total Patents
#1 Germany 6
#2 EPO (European Patent Office) 5
#3 Czechoslovakia 2
#4 Poland 2
#5 Austria 1
#6 Canada 1
#7 Czechia 1
#8 United States 1

Patent filings per year

Chart showing WALHALLA KALK ENTWICKLUNGS UNDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schuster Georg 6
#2 Schuster Georg Dipl Ing 4
#3 Schuster Georg Dipl-Ing Fh 3
#4 Schuster Georg Dipl-Ing 2
#5 Lauterbach Norbert 2
#6 Kaestle Hans Dipl-Ing Fh 2
#7 Brueggemann Simone 2
#8 Peschen Norbert 1
#9 Kastle Hans 1
#10 Endress Juergen 1

Latest patents

Publication Filing date Title
DE19824237A1 Exhaust gas cleaning reagents, their manufacture and their use
DE4331546A1 Nutrient-enriched sewage sludge and its production and use
DE4325535A1 Process for the separation of phosphates from waste water
EP0582174A1 Additives and process for dewatering and/or solidification of sludge
DE4034417A1 Highly reactive reagents and compositions for exhaust gas and wastewater treatment, their manufacture and their use
DE4021525A1 Sedimentation-stable aqueous suspensions of calcium hydroxide, hydrated lime or dolomitic lime hydrate, process for their preparation and solid mixtures suitable for this purpose
EP0389661A1 Process for removing arsenic from waste waters
DE3709950A1 Process for the treatment of waste water containing sulfate
EP0250626A1 Process for the separation of sulfate ions from waste water