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AC SPHINX SPARKING PLUG COMPAN

Overview
  • Total Patents
    42
About

AC SPHINX SPARKING PLUG COMPAN has a total of 42 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy, chemical engineering and engines, pumps and turbines are FRAM GROUP IP LLC, DESIRE ZIMMERMANN and VICTOR JOLY.

Patent filings in countries

World map showing AC SPHINX SPARKING PLUG COMPANs patent filings in countries
# Country Total Patents
#1 United Kingdom 38
#2 Germany 2
#3 France 2

Patent filings per year

Chart showing AC SPHINX SPARKING PLUG COMPANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Browne Donald Bennion 1
#2 Corbin Douglas Haynes 1

Latest patents

Publication Filing date Title
GB614684A Improvements in or relating to oil or like filter elements
GB594860A Improved moulding machine for plastic materials
GB593770A Improved spark plug
GB588395A Improved electrical indicator system
GB581677A Improved spark plug
GB588224A Improved oil filter
GB576461A Improvements in or relating to air intake silencers
GB581105A Improvements in or relating to oil or like filter elements
GB577510A Improvements in or relating to oil filters
GB579486A Improvements in clock mechanisms
GB562449A Improvements in air cleaners
GB563688A Improved air cleaner
GB562801A Improved rubber sealing rings
GB559805A The manufacture of spark plugs
GB562064A Improved spark plug
GB561118A Improved spark plug manufacture
GB561303A Improved screening device for spark plugs
GB550292A Improvements in air cleaners
GB551286A Improved fuel pump for internal combustion engines
GB548841A Improved spark plug and method of making same