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CHARLES DAY

Overview
  • Total Patents
    26
About

CHARLES DAY has a total of 26 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machine tools are VEULLE FREDERICK HENRY DE, RENE TONDEUR and ROBERT CONRAD.

Patent filings in countries

World map showing CHARLES DAYs patent filings in countries
# Country Total Patents
#1 United Kingdom 20
#2 United States 5
#3 France 1

Patent filings per year

Chart showing CHARLES DAYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Day 5
#2 Windeler George Edward 1
#3 Grant Peter 1
#4 Day Charles 1

Latest patents

Publication Filing date Title
GB526391A Improvements in or relating to means for controlling the feed rate of automatic stokers of the underfeed type
GB518335A Improvements in or relating to means for lubricating and cooling bearings
US2171211A Machine for grinding articles to predetermined forms
GB486725A Improvements in or relating to fuel stokers of the underfeed type
GB485835A Improvements in or relating to power transmission mechanisms
GB498078A Improvements in or relating to variable drives for plunger pumps
GB491676A Improvements in or relating to machines for grinding articles to predetermined forms
GB448286A Improvements in or relating to the passages leading to and from the cylinders of internal combustion engines and air compressors
GB449405A Improvements in or relating to the starting and stopping of internal combustion engines
GB339018A Improvements in or relating to indicator means for use in connection with the controlling of reciprocating engines
GB336072A Improvements in or relating to pistons
US1675925A Timer brush
GB294394A Improvements in means for transmitting motion
US1594498A Means for use in sinking tube wells
GB259065A Improvements relating to crank shafts
GB240387A Improvements relating to centrifugal pumps
GB242328A Improvements in water distilling apparatus utilising exhaust gases
US1652562A Joint and jointing tool for tube wells
GB244832A Improvements in the construction of rollers for sugar cane crushing mills
GB238974A Improvements in means for fixing pulleys, wheels, cranks, couplings, and so forth to shafts or the like