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CROMPTON ROOKES EVELYN BELL

Overview
  • Total Patents
    31
About

CROMPTON ROOKES EVELYN BELL has a total of 31 patent applications. Its first patent ever was published in 1883. It filed its patents most often in United Kingdom, Spain and United States. Its main competitors in its focus markets civil engineering and transport are GOMACO CORP, DYNAPAC (CHINA) COMPACTION & PAVING EQUIPMENT CO LTD and GUNTERT & ZIMMERMAN CONST DIV INC.

Patent filings in countries

World map showing CROMPTON ROOKES EVELYN BELLs patent filings in countries
# Country Total Patents
#1 United Kingdom 29
#2 Spain 1
#3 United States 1

Patent filings per year

Chart showing CROMPTON ROOKES EVELYN BELLs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Crompton Rookes Evelyn Bell 30
#2 Pochin Edmund Arthur Norman 5
#3 Fox Edmund John 2
#4 Tapp Ernest Thomas James 2
#5 Dowsing Herbert John 1
#6 Crompton Nigel George 1
#7 Ashley Sidney Walter 1
#8 Brunton Sydney Linton 1
#9 Phillips Sidney William 1

Latest patents

Publication Filing date Title
GB127896A Improvements in Tractors Supported on Endless Tracks.
US1078538A Road-roller.
GB191212172A Improvements in Road Rollers.
GB191121999A Improvements in Machines for Laying Down and Spreading Road Materials.
GB191007489A Improvements relating to Road Locomotives or Tractors.
GB190922416A Improvements in Road Locomotives, Tractors, and the like.
GB190828521A Improvements in and relating to Instantaneous Steam Generators, Flash Boilers, and the like.
GB190806648A Improved Methods of Constructing Suspension Wheels
GB190727070A Improvements in Tube Joints
GB190620445A Improvements in Apparatus for Hardening or otherwise Modifying the Crystalline Structure of Articles of Steel
GB190205290A Improved Apparatus for Preparing Flattened Metallic Coils for Electrical Magnets, Solenoids, and other Purposes
GB189826610A Improvements in Electric Arc Lamps.
GB189824812A Improvements in Electrical Meters.
GB189806695A Improvements in Electrical Measuring Apparatus for use in Regulating Electric Currents.
GB189805898A Improvements in Pedals of Cycles, and Cyclists' Shoe Clips.
GB189711375A Improvements in Means for Attaching the Crank Axles and Pedal Spindles to the Cranks of Cycles, Motor-cars,or similar Vehicles.
GB189706276A Improvements in Electric Arc Lamps.
GB189628578A Improvements in the Bonding of Rails used for Electrical Railways or Tramways.
GB189627446A Improvements in Electrical Resistances.
GB189626267A Improvements in Enamelling Processes for Electric Heating Apparatus.