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DOWTY EQUIPMENT LTD

Overview
  • Total Patents
    318
About

DOWTY EQUIPMENT LTD has a total of 318 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets mechanical elements, transport and engines, pumps and turbines are MENASCO MFG COMPANY, CLAVERHAM LTD and ELECTRO HYDRAULICS LTD.

Patent filings in countries

World map showing DOWTY EQUIPMENT LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 166
#2 United States 66
#3 Canada 46
#4 France 29
#5 Germany 10
#6 Belgium 1

Patent filings per year

Chart showing DOWTY EQUIPMENT LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Carey Frederick Henry 21
#2 Knights Richard Northam 13
#3 Henry Carey Frederick 11
#4 Knights Richard N 10
#5 Dowty George H 6
#6 Nicholl Edward James 6
#7 Snell Maurice S 6
#8 Simmons Harold Cuthbert 5
#9 Bingham Arthur Edward 5
#10 Nicholl Edward J 5

Latest patents

Publication Filing date Title
GB844023A Improvements in fuel supply systems
US2938684A Aircraft retractable undercarriage
GB844642A Improvements in aircraft undercarriages
US2879987A Liquid springs
GB829592A Improvements relating to ground-engaging friction brakes for aircraft and other vehicles
GB845018A Improvements relating to hydraulic servo-motor systems
FR1170212A Hydraulic pulsation attenuator
GB828161A Improvements relating to variable delivery pumps
GB815807A Improvements in steering control systems for aircraft retractable nose or tail wheelmountings
GB837702A Improvements in aircraft retractable undercarriages
GB809865A Improvements in liquid springs
GB836010A Improvements in spool valves and their manufacture
GB809682A Improvements relating to spring devices
GB805683A Improvements in snap-action electric switches
GB801631A Improvements in pipe couplings
GB813912A Improvements relating to aircraft nosewheel steering devices
GB831949A Improvements in devices for reducing hydraulic pressure ripples
GB794926A Improvements in and relating to aircraft braking mechanism
GB794758A Improvements in retractable undercarriages for aircraft
GB797296A Improvements relating to pressure-loaded reservoirs and charging devices therefor