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HACKMACK ALFRED

Overview
  • Total Patents
    37
About

HACKMACK ALFRED has a total of 37 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets civil engineering, machines and agriculture are HAGELSTEIN ALFRED MASCHINENFAB, SIMEX ENG S R L and LAYTON MFG CO.

Patent filings in countries

World map showing HACKMACK ALFREDs patent filings in countries

Patent filings per year

Chart showing HACKMACK ALFREDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hackmack Alfred Dr 29
#2 Hackmack Alfred 8

Latest patents

Publication Filing date Title
DE4040366A1 Earth-moving machine loosening mechanism - has buckets and shutters in wheel extending to central shaft
EP0402619A2 Continual digging-transport-loading accessory for earth moving equipment
DE4003641A1 Excavator optional accessory with release mechanism
DE4003642A1 Excavator optional accessory with release mechanism
DE3942983A1 Excavator optional accessory with release mechanism
DE3930590A1 Enclosed conveyor belt for earth or loose material - has horizontal belt and two fixed vertical side walls of low frictional resistance
DE3943515A1 Excavator optional accessory with release mechanism
DE3943536A1 Excavator optional accessory with release mechanism
DE3919467A1 Excavator optional accessory with release mechanism
DE3919469A1 Excavator optional accessory with release mechanism
DE3919470A1 Excavator optional accessory with release mechanism
WO8901077A1 Lateral finisher/distributor
WO8900631A1 Rock excavating shovel
WO8900629A1 Bucket scoop with endless screw evacuator
US4861199A Slit trencher
EP0233369A1 Device for constructing trench walls and the like and method for construction of same
DE3611305A1 Material guiding and metering device for tipping vehicles
DE3611306A1 Rock cutter with supporting device
DE3603675A1 COMBINATION OF A MILL AND A CONTAINER DESIGNED AS EARTHMOVER
DE3601039A1 Trenching machine - trenching method