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RHEINSTAHL WANHEIM GMBH

Overview
  • Total Patents
    63
About

RHEINSTAHL WANHEIM GMBH has a total of 63 patent applications. Its first patent ever was published in 1955. It filed its patents most often in Germany, United States and Switzerland. Its main competitors in its focus markets civil engineering, foods and drinks and mechanical elements are RHEINSTAHL GMBH WANHEIM, DOBSON LTD W E & F and LAN CHUANWEN.

Patent filings in countries

World map showing RHEINSTAHL WANHEIM GMBHs patent filings in countries
# Country Total Patents
#1 Germany 28
#2 United States 11
#3 Switzerland 7
#4 United Kingdom 7
#5 Belgium 6
#6 France 2
#7 Austria 1
#8 Canada 1

Patent filings per year

Chart showing RHEINSTAHL WANHEIM GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Neubert Gerhart 8
#2 Wilhelm Wilkenloh 5
#3 Schultz Rolf 3
#4 Erich Jager 3
#5 Wilkenloh Wilhelm 3
#6 Koppers Manfred 3
#7 Karl Froehlich 2
#8 Karl-Heinz Brettner 2
#9 Heinrich Wilke Dipl-Ing 2
#10 Karl Froehlich Dipl-Ing 2

Latest patents

Publication Filing date Title
US3730846A Apparatus for malting grain
DE1936629A1 Self-filling and emptying malting drum
GB1221750A Installation for producing malt
US3484071A Mobile mine roof support
DE1289775B Stair step
GB1065559A Improvements in hydraulic pit props
GB985401A Improvements in advanceable mine roof support assemblies
GB982595A A tubular section for pit props
GB980443A Improvements in roof bar arrangements and self-advancing roof supports
GB943139A Improvements in self-advancing mine-roof support units
US2910281A Prop and conveyer arrangement for mines
US2911181A Pit props
CA707516A Composite cap for mine roof supports