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WILLIAM EDRINGTON GRAY

Overview
  • Total Patents
    13
About

WILLIAM EDRINGTON GRAY has a total of 13 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets transport, environmental technology and measurement are HIROBO LTD, ZEPPELINWERK LINDAU G M B H and FANWING LTD.

Patent filings in countries

World map showing WILLIAM EDRINGTON GRAYs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 Germany 1

Patent filings per year

Chart showing WILLIAM EDRINGTON GRAYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Environmental technology
#3 Measurement

Latest patents

Publication Filing date Title
GB579681A Means for studying air-flow
GB530508A Aeroplane stabilizing and control means
GB475500A Aeroplane wing flaps
GB475163A Aeroplane wing flaps
GB476673A Aeroplane wing flaps
GB460636A Aeroplane stabilising means
GB355348A Improvements in undercarriages for aeroplanes
GB350475A Air brakes for aeroplanes
GB350028A Air brakes for aeroplanes
GB338514A Undercarriage for aeroplanes
GB338515A Undercarriage for aeroplanes
GB289109A Undercarriages for aeroplanes