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CAMPBELL ROBERT HUNTER

Overview
  • Total Patents
    14
About

CAMPBELL ROBERT HUNTER has a total of 14 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, Austria and Switzerland. Its main competitors in its focus markets mechanical elements and packaging and shipping are PERMAFRESH CORP, SOROKIN KONSTANTIN VLADIMIROVICH and DAE RYUK CAN CO LTD.

Patent filings in countries

World map showing CAMPBELL ROBERT HUNTERs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 Austria 2
#3 Switzerland 2
#4 Spain 2
#5 United States 2
#6 Australia 1
#7 Canada 1

Patent filings per year

Chart showing CAMPBELL ROBERT HUNTERs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Campbell Robert Hunter 9
#2 Robert Hunter Campbell 2

Latest patents

Publication Filing date Title
GB191108144A Improvements in Means for Charging Syphons, or other Receptacles, with Gas from Capsules, or Containers, of Compressed, or Liquified, Gas.
US1038285A Capsule or container for compressed or liquefied gases.
GB191010609A Improvements in connection with Containers, or Cylinders, for Compressed, or Liquified, Gas.
US986135A Closure for gas-containers.
GB191009652A Improvements in Capsules, or Containers, for Compressed, or Liquified, Gases.
GB191008433A Improvements in Containers, or Capsules, for Compressed, or Liquified, Gas.
CA102498A Seltzogene and like containers of aerated liquids