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JOHN HENRY WIGGINS

Overview
  • Total Patents
    59
About

JOHN HENRY WIGGINS has a total of 59 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom, Germany and Canada. Its main competitors in its focus markets packaging and shipping, mechanical elements and civil engineering are GATX TANK ERECTION CORP, WIGGINS JOHN HENRY and WIGGINS JOHN H.

Patent filings in countries

World map showing JOHN HENRY WIGGINSs patent filings in countries
# Country Total Patents
#1 United Kingdom 41
#2 Germany 16
#3 Canada 2

Patent filings per year

Chart showing JOHN HENRY WIGGINSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wiggins John Henry 15
#2 Allen John Winfield 5
#3 Horner Frank Walter 2

Latest patents

Publication Filing date Title
GB1092791A Apparatus for raising a stiff horizontal frame
GB1092792A Tension responsive power driven winch
GB849190A Automatic emergency drain mechanisms for floating roofs of field storage tanks
GB846630A Improvements relating to metal storage tanks for liquids
GB810184A Improvements relating to the roofs of storage tanks
GB819236A Floating tank roof
GB815565A Floating roof for a tank of the liquid storage type
GB802199A A movable piston structure for a fluid storage tank
GB796529A Improvements in or relating to double deck floating roofs for liquid storage tanks
GB803827A Improvements in or relating to floating roofs for liquid-containing tanks
GB799265A Metal storage tank
GB799266A Method of building metal storage tanks
GB772772A Vent valve for gas or liquid storage container
GB752794A Sealing mechanism for floating tank roofs
GB725491A Dry seal piston type gas holder
GB716837A Dry seal pressure type gas holder
GB691664A Dry seal gas holder
GB685507A Fluid storage apparatus
GB641480A Gas storage apparatus
GB641174A Fluid storage apparatus