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NAT TEA PACKING COMPANY INC

Overview
  • Total Patents
    20
About

NAT TEA PACKING COMPANY INC has a total of 20 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets packaging and shipping, consumer goods and machines are JANHONEN V, JOSEF BAYER and TURUNEN PENTTI.

Patent filings in countries

World map showing NAT TEA PACKING COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 16
#2 United Kingdom 4

Patent filings per year

Chart showing NAT TEA PACKING COMPANY INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Irmscher Hans O 14
#2 Irmscher Hans Otto 2
#3 Louis Barnett 1
#4 Max Hirschhorn 1
#5 Benjamin Hirschhorn 1
#6 Hirschhorn Mann Rosie 1

Latest patents

Publication Filing date Title
GB962379A Improvements in or relating to a compressible infusion package and method of making same
US3143834A Compressible infusion package
US3092242A Compressible infusion package
US3047397A Compressible infusion package
GB870800A Improvements in or relating to infusion bags and method of making the same
US3053665A Manufacture of infusion bags
US2969628A Charge control mechanism in infusion package manufacture
US2891867A Infusion packages with improved loop handle suspension constructions
US2791505A Infusion packages
US2819167A Infusion package with a non-tangling string-handle and tag
GB772951A Improvements in and relating to the manufacture of filled packages with string handles and tags
US2780042A Infusion package manufacture
US2818985A Apparatus for reclaiming contents of filled envelope packages
US2669813A Carton contents tamping and sealing apparatus
US2715807A Automatic inspection means control for infusion package manufacture
US2713410A Conveyor and transfer system with monitorized control
US2654195A Measured charge supply control flow mechanism for automatic packaging machine operations
GB698867A Manufacture of packages with string handles and tags
US2913860A Manufacture of packages with string handles and tags
US2671026A Manufacturing and filling of essence containing packages for brewing beverages