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RHEINISCHE KALKSTEINWERKE

Overview
  • Total Patents
    426
About

RHEINISCHE KALKSTEINWERKE has a total of 426 patent applications. Its first patent ever was published in 1939. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, thermal processes and machines are JINGZHOU XINQIU IND CO LTD, YONGPING TAIDA WASTE RESIDUE DEV UTILIZATION CO LTD and NIPPON ELECTRODE CO LTD.

Patent filings per year

Chart showing RHEINISCHE KALKSTEINWERKEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Willmann Karl 22
#2 Eigen Dr-Ing Hans 22
#3 Wuhrer J 14
#4 Ottenheym Adrian 12
#5 Hoffmann Dipl-Ing Friedrich 11
#6 Wuhrer Josef Dipl-Chem Dr 9
#7 Lunau Wigand 8
#8 Wuhrer Josef 8
#9 Bessing Reinhold 7
#10 Schwertmann Thomas 7

Latest patents

Publication Filing date Title
DE19727979A1 Process for the production of alumina cement
DE19652071A1 Prefabricated wall element
DE19532248A1 Device for measuring the properties of bulk goods
DE19521808A1 Granules based on alkaline earth carbonates with absorbent and adsorptive substances
DE19510122C1 Process for the production of milk of lime
DE4303450A1 Means for dry cleaning of exhaust gases
EP0520327A1 Method of consolidating dust residues
EP0476312A1 Process for production of chlorosilicates
DE4030349A1 Process for the harmless dumping of solidified inorganic residues and waste in abandoned quarries
EP0385493A2 Process for the production of chlorosilicates, and their use
EP0327902A1 Process for the production of dry highly disperse calcium hydroxide
DE3720948A1 METHOD FOR TREATING TREATMENT OF DEPOSIT BODIES WITH LOW PENCILITY
DE3718692A1 GRANULES BASED ON EARTH ALKALINE CARBONATES
DE3607819C1 Process for preparing calcium hydroxide
DE3433228C1 Process for the production of calcium hydroxide
DE3409644A1 Heat-insulating facade cladding
DE3333341A1 METHOD FOR BURNING CARBONATIC RAW STONE IN A CHAMBER
DE3302657A1 VESSEL CONVEYOR FOR THE PNEUMATIC CONVEYING OF SCHUETTGUT FROM A STORAGE SILO
DE3245103A1 Process for the preparation of a mixture of calcium carbonate and magnesium carbonate having a mainly lamellar crystal form
DE3000329A1 DEVICE FOR CONTINUOUSLY MIXING AND GRANULATING SLUDGE WITH A SOLID