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HARDER GEORG MASCHINENFABRIK

Overview
  • Total Patents
    28
About

HARDER GEORG MASCHINENFABRIK has a total of 28 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets agriculture, packaging and shipping and civil engineering are JIANGSU YUNMA AGRICULTURAL MACHINERY CO LTD, PORTABLE ELEVATOR MFG CO and SATTLEY STACKER COMPANY.

Patent filings in countries

World map showing HARDER GEORG MASCHINENFABRIKs patent filings in countries
# Country Total Patents
#1 Germany 16
#2 France 7
#3 United Kingdom 2
#4 Austria 1
#5 Spain 1
#6 United States 1

Patent filings per year

Chart showing HARDER GEORG MASCHINENFABRIKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kummerow Rolf 5
#2 Dederichs Knut 2
#3 Graubner Karl 2
#4 Petersen Dr Ralf O 1
#5 Stasch Henry 1
#6 Jens Jensen 1
#7 Nupnau Traugott 1
#8 Forke Willi 1
#9 Jacob Rudolf 1
#10 Schmitt Helwig 1

Latest patents

Publication Filing date Title
DE1557988A1 Mixer and agitator on fertilizer spreaders
GB1056218A Portable milling machine for the mechanical removal of silage
DE1259246B Front or rear loader
DE1255042B Charger for receiving stored goods, especially coal
DE1217858B Conveyor device
DE1225561B Device for removing waste heaps
DE1278781B Centrifugal disc fertilizer spreader
DE1230608B Maetrommel- or Schlegelfeldhaecksler with cutouts in the Maehwerkgehaeuse
ES213505A1 Improvements in the spacers of plates for fertilizers (Machine-translation by Google Translate, not legally binding)
DE838665C Bearing of the drive shafts in potato sorting machines with a tubular frame
DE620114C Adjusting device
DE425956C Plant chopping machine with relief device for the chopping frame
DE431631C Spring arrangement with constant effect to relieve the hoe frame of hoeing machines
US1554282A Agricultural implement
DE419102C Plant chopper
DE446077C Chopping machine
DE512661C Fertilizer spreader
DE416138C Till or plow
DE400443C Centrifugal wheel with adjustable scope for potato harvesters