Learn more

FROUDE ENG LTD

Overview
  • Total Patents
    20
About

FROUDE ENG LTD has a total of 20 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets measurement, engines, pumps and turbines and machines are ROADS & TRAFFIC AUTHORITY OF N, FROUDE CONSINE LTD and JODON ENG ASS.

Patent filings in countries

World map showing FROUDE ENG LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 Germany 3
#3 United States 1

Patent filings per year

Chart showing FROUDE ENG LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hitchcock Keith Norman 4
#2 Sandel Robert J 1
#3 Merry Bernard John 1
#4 Howells Denis James 1
#5 Ward Samuel F 1
#6 Sandford Robert Jennings 1
#7 Jackson Philip Norman 1

Latest patents

Publication Filing date Title
GB2122252A Stroboscopic engine fuel-injection timing
GB2112936A Measuring the speed of a piston engine ultrasonically
GB2093186A Indicating a predetermined position of a piston or crankshaft of a piston engine
GB2089986A Detecting fuel injector opening
GB2104010A >Tyre testing apparatus
DE3124042A1 Dynamometer
GB2078984A Dynamometers
GB2096776A Improvements in or relating to thrust stands
GB2093184A Improvements in or relating to piston rings in piston engines
GB2090347A Improvements in or relating to gear change actuators
GB2089982A Detecting leaks in engines
GB2089469A Rotary coupling system
GB1601135A Liquid meter
GB1601134A Engine fuel or engine lubrication meter
GB1584798A Dynamometer mounting
GB1571250A Hydraulic dynamometers
GB1571249A Hydraulic dynamometers
DE2650147A1 Eddy current machine with field system - has disc rotor with loss elements and magnetic field generated by field system