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FRANK BERNARD HALFORD

Overview
  • Total Patents
    23
About

FRANK BERNARD HALFORD has a total of 23 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and environmental technology are META MOTOREN ENERGIETECH, META MOTOREN & ENERG TECHNIK G and JORDAN EDGAR R.

Patent filings in countries

World map showing FRANK BERNARD HALFORDs patent filings in countries
# Country Total Patents
#1 United Kingdom 19
#2 Germany 4

Patent filings per year

Chart showing FRANK BERNARD HALFORDs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB578770A Improvements in or relating to the starting of turbo-compressor units
GB578766A Improvements in or relating to means for controlling the temperature of gases
GB578765A Improvements in or relating to shaft bearings
GB578190A Improvements in or relating to rotary compressors
GB578191A Improvements in or relating to turbines
GB578189A Improvements in jet propulsion plant
GB578549A Improvements in jet propulsion plant
GB578009A Improvements in or relating to turbines
GB578010A Improvements in jet propulsion plant
GB573399A Improvements in or relating to aircraft propulsion
GB572724A Improvements in or relating to aircraft propulsion
GB517268A Improvements in or relating to means for damping torsional vibrations in transmission apparatus
GB470492A Improvements in or relating to control systems for the power units of aircraft
GB394777A Improvements in or relating to valve gear for internal combustion engines
GB396355A Improvements in or relating to valve gear for internal combustion engines
GB398833A Improvements in or relating to mechanism for driving the impeller of a supercharger for an internal combustion engine
GB335568A Improvements in or relating to variable speed transmission mechanism
GB307771A Improvements in or relating to valve gear for internal combustion engines
GB306591A Improvements in or relating to internal combustion engines