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DIGGING TRADING

Overview
  • Total Patents
    13
About

DIGGING TRADING has a total of 13 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Netherlands, EPO (European Patent Office) and United States. Its main competitors in its focus markets civil engineering, mechanical elements and electrical machinery and energy are HARMSTORF RUDOLF, GEODIA and FRANK FOECKERSPERGER GMBH.

Patent filings in countries

World map showing DIGGING TRADINGs patent filings in countries
# Country Total Patents
#1 Netherlands 5
#2 EPO (European Patent Office) 3
#3 United States 2
#4 Germany 1
#5 France 1
#6 United Kingdom 1

Patent filings per year

Chart showing DIGGING TRADINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hofman Arie Anthonie 3
#2 Hofman Arie A 2
#3 De Waard Willem 2
#4 Steenbergen Bastiaan G 2
#5 Steenbergen Bastiaan Goris 2

Latest patents

Publication Filing date Title
NL8700147A Method for grounding a screen of flexible material
NL8500421A Method and apparatus for grounding a screen
NL8300052A Machine for grounding a flexible pipe or cable.
NL7710739A Excavating arm for sand raising plant - has endless digging chain and buckets, rear removal chute for excavated earth, and displaceable sand elevator
NL7506691A Method for grounding a relatively little flexible tube or cable using a flip-up conductive tube support construction to be used and when carrying out that method.