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JAMES BLACKLOCK HENDERSON

Overview
  • Total Patents
    59
About

JAMES BLACKLOCK HENDERSON has a total of 59 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets measurement, optics and weapons are ARCHIBALD BARR, SOLA MESSWERKZEUGE GMBH and PRIMORDIAL INC.

Patent filings in countries

World map showing JAMES BLACKLOCK HENDERSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 40
#2 France 11
#3 Germany 8

Patent filings per year

Chart showing JAMES BLACKLOCK HENDERSONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henderson James Blacklock 9
#2 Henderson James-Blacklock 1

Latest patents

Publication Filing date Title
GB586273A Improvements in sighting apparatus for navigation and bomb aiming on aircraft
GB586271A Improvements in aircraft sights for use in aiming bombs during a dive
GB428533A Improvements in and relating to automatic steering
GB320355A Improvements in universal joints or gimbal systems or the like for supporting a pivoted element on an oscillating element
GB301278A Improvements in and relating to gyroscopic navigational instruments
GB306603A Improvements in and relating to gyroscopes
GB299407A Improvements in artificial horizons
GB273546A Improvements in golf clubs and golf practice devices
GB266189A Improvements in bearings
GB261982A Improvements in bearings for knife-edge pivots
GB272630A Improvements in gun mountings
GB269280A Improvements in apparatus for integrating accelerations
GB263530A Improvements in methods of signalling on board ships
GB258646A Improvements in and relating to supports for gyroscopes and other sensitive elements
GB247633A Improvements in the automatic steering of ships and other craft
GB246573A Improvements in relays for electric motor control and other purposes
GB245546A Improvements in gyro-compasses
GB229403A Improvements in the connection between a gyroscope, long period pendulum or equivalent sensitive element and its follower
GB223610A Improvements in and relating to gyroscopic stabilisation as applied to cameras and other optical instruments
GB219082A Improvements in or relating to the control of cameras and optical instruments used in aircraft