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FELL DEVELOPMENTS LTD

Overview
  • Total Patents
    50
About

FELL DEVELOPMENTS LTD has a total of 50 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets transport, engines, pumps and turbines and mechanical elements are GETRIEBE G M B H DEUTSCHE, OHIO MFG COMPANY and Beijing nankou railway transit machinery co ltd.

Patent filings in countries

World map showing FELL DEVELOPMENTS LTDs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 10
#3 France 8
#4 United Kingdom 8
#5 Germany 6
#6 Denmark 6

Patent filings per year

Chart showing FELL DEVELOPMENTS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fell Louis Frederick Rudston 13
#2 Rudston Fell Louis Frederick 9
#3 Fell Louis F R 9
#4 Cousins Richard Joseph Walsh 4
#5 Walsh Cousins Richard Joseph 3
#6 Bennett-Powell John Ambrose 2
#7 Ambrose Bennett-Powell John 2
#8 Cousins Richard J W 2
#9 Bennett-Powell John A 1
#10 Itt Henry Edward Merr 1

Latest patents

Publication Filing date Title
US2864265A Power units
US2779212A Power units
GB748386A Improvements in or relating to internal combustion engine power plants
GB761125A Internal combustion engine power plant
GB748552A Internal combustion engine power unit
US2779213A Multi-engine power plant
US2566601A Differential transmission gearing
US2619800A Internal-combustion engine power plant
GB679576A Power plant
GB677269A Improvements in or relating to internal combustion engine power plants
US2637169A Control for transmission gearing in multiengine power plants
US2746256A Controls for multiple engine power plants
GB665526A Improvements in and relating to cooling systems for the engines of a multi-engined vehicle
US2600983A Compression ignition power plant
US2624849A Compression ignition engine power plant
US2610526A Transmission gearing
GB661293A Transmission gearing for internal-combustion engine power plant
GB661280A Improvements in or relating to control means for compression ignition engine power plants
US2589788A Internal-combustion engine power plant
US2647372A Internal-combustion engine power unit for locomotives