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EWALD WIEMANN MASCHF

Overview
  • Total Patents
    57
About

EWALD WIEMANN MASCHF has a total of 57 patent applications. Its first patent ever was published in 1933. It filed its patents most often in Germany, France and Belgium. Its main competitors in its focus markets civil engineering, mechanical elements and transport are LORENZ POLYGON AUSBAU GMBH, HOESCH BERGBAUTECHNIK GMBH and MINE SUPPORT SYST PTY LTD.

Patent filings in countries

World map showing EWALD WIEMANN MASCHFs patent filings in countries
# Country Total Patents
#1 Germany 52
#2 France 4
#3 Belgium 1

Patent filings per year

Chart showing EWALD WIEMANN MASCHFs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kaese Wilhelm 7
#2 Wiemann Ewald 6
#3 Wiemann Ewald Wilhelm 6
#4 Hohberg Karl 4
#5 Carow Heinz-Guenter 3
#6 Jun Ewald Wilhelm Wiemann 3
#7 Erenberg Horst 3
#8 Reinmoeller Heinrich 2
#9 Schindler Heinz 2
#10 Wengeler Fritz 2

Latest patents

Publication Filing date Title
DE1683300A1 Baseboard
DE1265515B Locking a coupling plug for a hose coupling
DE1156736B Pit stamp
DE1179531B Pit stamp
DE1154425B Pit stamp
DE1187862B Fastening device, in particular guide rod holder
DE1154424B Wandering longwall mining
DE1127300B Spindle head for pit punch
DE1105819B Pit stamp
DE1148511B Valve for hydraulic support devices
DE1150640B Limiting valve for hydraulic pit rams
DE1164350B Hydraulic setting device
DE1104139B Guide stick holder
DE1088902B Flexible extension of the route with deformation of a shoe-like abutment
DE1085479B Pit punch cap
DE1079572B Movable knee shoe with scissor-like parts
DE1033612B Device for limiting the extension length of hydraulic rams and for stealing and venting them
DE1102082B Offset cladding for striding longwall construction
DE1062120B Double-sided pressurized, pressure medium-operated back cylinder
DE1090159B Hydraulic migratory longwall mining