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DOWTY ROTOL LTD

Overview
  • Total Patents
    443
About

DOWTY ROTOL LTD has a total of 443 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets engines, pumps and turbines, transport and environmental technology are GALLET FRANCOIS, IRELAND PETER and CORRIGAN JOHN.

Patent filings in countries

World map showing DOWTY ROTOL LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chilman John Alfred 52
#2 Knights Richard Northam 26
#3 Davies Stuart Duncan 20
#4 Poucher Michael 15
#5 Cameron-Johnson Alan 14
#6 Chilman John A 12
#7 Wood Sidney William Henry 11
#8 Knights Richard N 11
#9 Alfred Chilman John 10
#10 Willitt Arthur Adrian John 8

Latest patents

Publication Filing date Title
GB9006936D0 A propeller hub assembly
GB8920252D0 A landing gear arrangement
GB8918687D0 An aircraft landing gear arrangement
GB8916714D0 A propeller blade pitch control mechanism
GB8818155D0 Assembly for determining the longitudinal displacement of a rotating shaft
GB8816593D0 Propeller blade assembly
GB8812981D0 Propeller blade hub assembly
GB8810538D0 Hydraulic shock absorber
GB8807891D0 Suspension arrangement
GB8806557D0 Hydraulic flow system
GB8800932D0 Propeller blade assembly
GB8723247D0 Propeller blade systems
GB8723246D0 Bladed rotor assemblies
GB8625505D0 Locking mechanisms
GB8615643D0 Variable-pitch bladed rotors
GB8609554D0 Bladed rotor assembly
GB8609364D0 Rotary transmission
GB8529476D0 Fluid-pressure-operable servo systems
GB2180892A A control system for a bladed rotor assembly
GB8517474D0 Variable-pitch bladed rotors