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BERKOWITZ ENVELOPE COMPANY

Overview
  • Total Patents
    15
About

BERKOWITZ ENVELOPE COMPANY has a total of 15 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States. Its main competitors in its focus markets packaging and shipping, consumer goods and machines are CURTIS 1000 INC, MANUF ALSACIENNE D ENVELOPPES and SIGMA SHIGYO KK.

Patent filings in countries

World map showing BERKOWITZ ENVELOPE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing BERKOWITZ ENVELOPE COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Packaging and shipping
#2 Consumer goods
#3 Machines

Top inventors

# Name Total Patents
#1 Berkowitz Eugene B 14
#2 Berkowitz Walter J 1

Latest patents

Publication Filing date Title
US2347075A Envelope or similar container for use in connection with c. o. d. transactions
US2330666A Quick-opening envelope
US2316757A Mailing piece
US2207142A Envelope
US2268795A Money compartment envelope
US2251391A Quick opening envelope
US2139654A Moistureproof envelope
US2129192A Bank deposit envelope
US2112227A Bank deposit or like envelope
US2092149A Envelope
US2116230A Combination letter or order form, check, and return envelope
US2114367A Self-sealing envelope
US2112748A Double sealed safety envelope
US2132012A Tuck flap envelope
US2062776A Envelope