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METROMAIL CORP

Overview
  • Total Patents
    13
About

METROMAIL CORP has a total of 13 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping and machine tools are WEN ZHIFENG, BAUMANN MASCHB SOLMS GMBH & CO and RAUMASTER PAPER OY.

Patent filings in countries

World map showing METROMAIL CORPs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 6

Patent filings per year

Chart showing METROMAIL CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Packaging and shipping
#2 Machine tools

Top inventors

# Name Total Patents
#1 Gieson Clarence L 4
#2 Lunt Reginald F J 3
#3 Barton Delmar O 3
#4 Marsh Randy J 2
#5 Watson Virgil A 2
#6 Simpson Loran R 2
#7 Szewczyk Richard 1
#8 Bornstein Michael 1
#9 Bornstein Michael A 1
#10 Koch Keith C 1

Latest patents

Publication Filing date Title
US5288063A Multi-length sheet material conveyor and collator
US5033727A In-line chopper to trim backbone of multiple page signatures collated on an inserter
CA1245680A Paper sheet separator
CA1238349A Bow string detector for gripper mechanism
CA1240348A Phase controlled gripper operating system for collator
US4571141A Pallet unloading fixture
US4511130A Phase controlled gripper operating system for collator
US4531726A Bow spring detector for gripper mechanism
US4462585A Thickness adjustable material detector for gripper mechanism
US4531723A Paper sheet separator
CA1193535A Package forming web folder