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WESTFALIA DINNENDAHL

Overview
  • Total Patents
    130
About

WESTFALIA DINNENDAHL has a total of 130 patent applications. Its first patent ever was published in 1930. It filed its patents most often in France, United Kingdom and United States. Its main competitors in its focus markets chemical engineering, machines and packaging and shipping are WESTFALIA DINNENDAHL GROEPPEL, GEORGE NORTON and CHEHE DRESSING PLANT OF CHINA TIN GROUP CO LTD.

Patent filings in countries

World map showing WESTFALIA DINNENDAHLs patent filings in countries
# Country Total Patents
#1 France 85
#2 United Kingdom 23
#3 United States 14
#4 Belgium 3
#5 Spain 3
#6 Canada 2

Patent filings per year

Chart showing WESTFALIA DINNENDAHLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heinz Jager 4
#2 Jager Heinz 3
#3 Mayer Friedrich Wilhelm 3
#4 Rudolf Kus 2
#5 Stern Hanns 1
#6 Ruhl Heinz 1
#7 Hanns Stern 1
#8 Jager H 1
#9 Smits Lambert 1
#10 Hedwig Mornigkeit 1

Latest patents

Publication Filing date Title
US3913848A Process and means for cooling cement
US3592453A System for drying and preheating fine-grained material, such as cement raw material particularly
US3419968A Apparatus for drying and pre-heating of pulverulent material, particularly raw cement material
FR1517831A Installation for drying and reheating fine-grained substances, in particular ground raw cement
FR1465130A Washing machine for the preparation of coal or other mineral materials
FR1430003A Helical chute
GB1042694A Improvements in and relating to helical chutes
GB1102834A Grinding plant for and method of grinding limestone and similar materials
FR1420282A Device for monitoring the bearings of rotating drums
US3308657A Journalling structure for rotatable processing drums such as rotary kilns, tube mills
FR1415179A Device for suspending the pressure rollers of rotary drums mounted on track rollers, in particular of rotary kilns, tube-crushers, or similar apparatus
US3344920A Settling jig with settling compartments on both sides of a compressed air supply
ES294946A1 Screening machine (Machine-translation by Google Translate, not legally binding)
GB991535A Jig with jig compartments symmetrically arranged on both sides of a central compressed air chamber
FR1388037A Hydro-pneumatic screening machine with screening compartments arranged on either side of a central compressed air chamber
ES294681A1 Device for pre-heating of gross cement dust (Machine-translation by Google Translate, not legally binding)
FR1377250A Plant for preheating raw cement powder
ES294458A1 Device for pre-heating of gross cement dust (Machine-translation by Google Translate, not legally binding)
FR1364246A A method of standardizing a product obtained by means of a wet grading device, for example, a sizing machine or a dense liquor separation machine
US3168357A Journalling device for supporting rollers