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HANNOVERSCHE MASCHB AG

Overview
  • Total Patents
    197
About

HANNOVERSCHE MASCHB AG has a total of 197 patent applications. Its first patent ever was published in 1918. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and transport are KITAMURA SHUICHI, GUADALAJARA DE LA FUENTE and GLOTUR TRUST REG.

Patent filings in countries

World map showing HANNOVERSCHE MASCHB AGs patent filings in countries
# Country Total Patents
#1 Germany 96
#2 United Kingdom 41
#3 France 25
#4 Canada 20
#5 Austria 13
#6 Denmark 1
#7 Finland 1

Patent filings per year

Chart showing HANNOVERSCHE MASCHB AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kremser Johann 14
#2 Rohrbach Dipl-Ing Hans 12
#3 Rohrbach Hans 9
#4 Pollich Carl 7
#5 Lefnaer Dipl-Ing Otto 6
#6 Spicker Ludwig 5
#7 Wessendorf Hermann 5
#8 Zuelch Rudolf 4
#9 Brandt Dr-Ing Richard 4
#10 Schargorodsky Lazar 4

Latest patents

Publication Filing date Title
DE935893C Signaling device for caterpillar vehicles to indicate the threat of a chain jumping off
DE925152C Manual transmission, especially for wheeled or caterpillar tractors
GB737969A Improvements relating to two-stroke internal combustion engines
GB730363A Improvements relating to internal combustion engines
GB747426A Improvements relating to internal combustion engines
GB735087A Improvements in crankshaft arrangements for internal combustion engines
GB736058A Improvements relating to two-stroke blower-scavenged internal combustion engines
GB739119A Improvements relating to liquid-cooled two-stroke internal combustion engines
GB739305A Improvements relating to two-stroke internal combustion engines
DE940212C Spare wheel arrangement in motor vehicles, in particular in trucks
DE934514C Gearbox for motor vehicles, especially tractors, tractors or the like.
DE925572C Roller or support roller for caterpillar vehicles
DE934934C Hitching device on caterpillar vehicles
GB734323A Improvements in or relating to hydraulic installations more especially for mounting on towing vehicles, tractors or the like
GB762574A Improvements in or relating to tractors or the like
DE924229C Process for the manufacture of rotary pistons for Roots blowers
GB736521A Improvements in or relating to tractors or the like and auxiliary gear units therefor
DE927739C Fork for loading purposes, especially for loading tubers such as beetroot, potatoes or the like.
DE932349C Gear change transmission for wheeled tractors or caterpillar vehicles
GB728924A New or improved speed-change gear unit for motor-vehicles, especially tractors