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DERBY SEALERS

Overview
  • Total Patents
    48
About

DERBY SEALERS has a total of 48 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Canada and France. Its main competitors in its focus markets packaging and shipping are LANGGUTH GMBH & CO, VIANEN DE BINDERIJGROEP BV and SANSEI SEIKI CO.

Patent filings in countries

World map showing DERBY SEALERSs patent filings in countries
# Country Total Patents
#1 Canada 46
#2 France 2

Patent filings per year

Chart showing DERBY SEALERSs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Krueger Alfred P 38
#2 Erhardt Oscar P 10
#3 Aldrich John W 2
#4 West Michael J 1
#5 Bergmark John C 1

Latest patents

Publication Filing date Title
CA455170A Tape serving mechanism
CA417348A Tape-serving mechanism
CA484301A Tape-dispensing machine
CA484302A Tape-dispensing machine
CA530781A Dispenser for pressure-sensitive tape
CA538355A Machines for dispensing tape
CA541131A Dispensers for pressure-sensitive tape
CA471029A Moistening devices for tape-dispensing mechanism
CA539876A Machines for dispensing tape
CA493336A Tape-dispensing machine
CA518742A Tape-dispensing mechanisms
CA582527A Bag-tying machine
CA526526A Dispensers for pressure-sensitive tape
CA487768A Tape-serving device
CA491688A Tape-dispensing machines
CA556929A Hand tape dispenser
CA513558A Tape-dispensing mechanisms
CA493851A Tape-serving mechanism
CA404691A Moistening device for tapes, labels, envelopes and the like
CA514827A Tape-dispensing mechanism