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CALTHROP EVERARD RICHARD

Overview
  • Total Patents
    69
About

CALTHROP EVERARD RICHARD has a total of 69 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets transport, mechanical elements and civil engineering are LIAO SHUEH-CHIH, NORTHCOAST TECHNOLOGIES and CLOTH HELMUT.

Patent filings in countries

World map showing CALTHROP EVERARD RICHARDs patent filings in countries
# Country Total Patents
#1 United Kingdom 53
#2 Canada 8
#3 United States 8

Patent filings per year

Chart showing CALTHROP EVERARD RICHARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Calthrop Everard Richard 69
#2 Lynde Francis Gascoigne 4
#3 Churchill Richard 3
#4 Taite John Charles 3
#5 Godfrey Edward 1
#6 Hill Leonard Erskine 1
#7 Brewer Edward Godfrey 1
#8 Calthrop Frederick Cecil 1
#9 Child Herbert William 1

Latest patents

Publication Filing date Title
GB134369A An Improved Grommet.
GB135884A Improvements relating to Parachutes.
GB131027A Improvements relating to Parachutes.
GB129329A Improvements relating to Means for Destroying Aerial Craft.
CA186858A Parachute launching device
CA186859A Parachute launching device
US1274679A Parachute-launching device.
US1302898A Parachute-launching device.
GB128636A Improvements relating to Aeroplanes and Parachute Launching Devices therefor.
GB117667A Improvements relating to Cellular Concrete Structures.
GB128293A Improvements relating to Bomb Dropping and Operating Devices.
GB128294A Improved Method of and Apparatus for Destroying Aerial Craft.
GB116534A Improvements relating to Parachute Launching Devices.
GB127881A Improvements relating to Parachutes.
GB118860A Improvements relating to Safety Spring Slings or Suspension Devices particularly adapted for use with Parachutes.
GB118859A Improvements relating to Parachutes.
US1263372A Parachute.
GB117092A Improvements relating to Parachutes.
CA174462A Parachute
GB111498A Improvements relating to Parachutes.