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BLACK PRODUCTS CO

Overview
  • Total Patents
    118
About

BLACK PRODUCTS CO has a total of 118 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, measurement and machines are SLIDELL INC, VELTEKO S R O and VERPACKUNGS UND SCHOKOLADENMAS.

Patent filings in countries

World map showing BLACK PRODUCTS COs patent filings in countries
# Country Total Patents
#1 United States 44
#2 Canada 26
#3 United Kingdom 22
#4 France 13
#5 Germany 11
#6 Ireland 2

Patent filings per year

Chart showing BLACK PRODUCTS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lau Erwin M 53
#2 Lorimer George W 7
#3 M Lau Erwin 6
#4 Zenke Herbert J 5
#5 Pernis John M Van 3
#6 Lau Erwin Martin 2
#7 Fairchild Clifford J 1
#8 Lau Edwin M 1
#9 Bingham Samuel H Jr 1
#10 Jun Samuel H Bingham 1

Latest patents

Publication Filing date Title
CA1067050A Filling sleeve for valve bags
IE44081B1 Valve bag packer
US4003188A Valve bag filler, handling and sealing system
US3964650A Bag filling machine having combined inlet valve and level control
CA998024A Bag filling machine having door-type inlet valve
GB1367142A Bag settler for bag filling machines
US3645301A Bag venting device for valve bag filling machines
US3633692A Inlet means for bag-filling machine
US3540539A Bag filling machine having improved scale mechanism
US3572714A Flying target for trap shooting
DE1786020A1 Method and device for filling bags
US3568733A Method and apparatus for filling bags
US3366190A Bag filling machines
FR1482665A Bagging machine
GB1141886A Bag filling machines
US3396763A Bag filling machine
US3376905A Bag settler for bag filling machine
US3322219A Bag filling machines
GB1093842A Expandable spout for bag filling machine
DE1461795A1 Expandable leadpipe for bag filling machines