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BUTTERFIELD GROUP

Overview
  • Total Patents
    20
About

BUTTERFIELD GROUP has a total of 20 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets medical technology and packaging and shipping are EQUIDYNE SYSTEMS INC, STEYN RICARDO SHEATH OXFORD and ZHOU YUBIN.

Patent filings in countries

World map showing BUTTERFIELD GROUPs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 6
#3 United Kingdom 6

Patent filings per year

Chart showing BUTTERFIELD GROUPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Medical technology
#2 Packaging and shipping

Focus technologies

# Technology
#1 Syringes
#2 Containers for goods storage

Top inventors

# Name Total Patents
#1 Butterfield Ida M 14
#2 Butterfield Ida May 6

Latest patents

Publication Filing date Title
US4713056A Non-reusable hypodermic syringe
US4493703A Hypodermic syringe cartridge with non-retractable drive piston
US4447229A Tamper-resistant hypodermic syringe
US4531940A Tamper-resistant hypodermic syringe
CA1195895A Hypodermic syringe cartridge with non-retractable drive piston
CA1195199A Tamper-resistant hypodermic syringe
US4392852A Tamper-alerting hypodermic syringe
US4439187A Hypodermic syringe
US4418827A Tamper-alerting device for vials and syringes
US4429803A Broken seal detector