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GRAVINER MANUFACTURING CO

Overview
  • Total Patents
    316
About

GRAVINER MANUFACTURING CO has a total of 316 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets civil engineering, control and electrical machinery and energy are KIDDE TECH INC, KIDDE IP HOLDINGS LTD and MINIMAX GMBH & CO KG.

Patent filings in countries

World map showing GRAVINER MANUFACTURING COs patent filings in countries

Patent filings per year

Chart showing GRAVINER MANUFACTURING COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mathisen Anders 51
#2 Anders Mathisen 46
#3 Griffiths Rupert 8
#4 Rupert Griffiths 7
#5 Salmond Hubert Mackenzie 6
#6 Hansom Bernard Stephen 6
#7 Collins Jack Bertram 6
#8 Mackenzie Salmond Hubert 5
#9 Abigail Walter Leonard 5
#10 Thurlby Leslie Thorpe 4

Latest patents

Publication Filing date Title
GB1134845A Improvements in or relating to containers for fluids and the like
GB1099352A Improvements in or relating to temperature responsive devices
GB1096992A Improvements in radiation detectors
US3233783A Fluid containers
GB977769A Improvements in or relating to electrical circuits for use with temperature responsive devices
GB1065371A Improvements in or relating to means for indicating the discharge of the contents of containers for fluids and the like
GB1067676A Improvements in or relating to electrical interrogation circuits for use with means capable of receiving a substantial electrical charge
GB1061384A Improvements in or relating to fire or overheat detectors
GB1057243A Improvements in or relating to viewers of fluid for determining the presence therein of smoke and like light dispersing suspensions
GB1048004A Improvements in temperature change detectors and method of manufacture thereof
GB1043536A Improvements in or relating to electrical testing apparatus
GB985938A Improvements in or relating to containers for fluid under pressure
GB1012268A Apparatus for detecting the presence of oil in a gas flow
GB1008519A Improvements in and relating to die parts and punches
GB1057680A Improvements in or relating to electrical circuits
US3202883A Electrical circuits particularly for use with temperature detectors
GB1027821A Improvements in or relating to temperature sensitive controllers for use with gas turbines
US3207026A Apparatus and method for determining the individual and average content of light absorbing fluids
GB984571A Improvements in or relating to detectors of smoke and other fluid suspensions
GB922855A Improvements relating to electrical circuits adapted for use with temperature responsive devices