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REYROLLE A & CO LTD

Overview
  • Total Patents
    1,092
About

REYROLLE A & CO LTD has a total of 1,092 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets electrical machinery and energy, measurement and environmental technology are EATON IND (AUSTRIA) GMBH, TAVRIDA ELECTRIC HOLDING AG and SPRECHER & SCHUH AG.

Patent filings in countries

World map showing REYROLLE A & CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 713
#2 United States 117
#3 France 99
#4 Germany 54
#5 Denmark 50
#6 Canada 44
#7 Switzerland 8
#8 Belgium 3
#9 Austria 2
#10 Spain 1
#11 Sweden 1

Patent filings per year

Chart showing REYROLLE A & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Young Austin Frederick Brabant 27
#2 Amer Donald Foster 24
#3 Christie John 22
#4 Gray William 19
#5 Archibald Allan 19
#6 Ellis Norman Sadler 17
#7 William Clothier Henry 12
#8 Hamer Leeson Bruce 12
#9 Chrisp George Francis 12
#10 Dean John Raymond 11

Latest patents

Publication Filing date Title
GB1255401A Improvements relating to circuit-breaker tripping means
GB1262974A Improvements relating to safety devices for nuclear reactors
GB1246175A Improvements relating to contacts for electric circuit-breakers
GB1243521A Improvements relating to sealing tube ends
GB1221690A Improvements relating to suspension means for the control rods of nuclear reactors
GB1241684A Improvements relating to arc control devices
GB1278782A Improvements relating to high-voltage multi-break switchgear
GB1262079A Improvements relating to the injection testing of current transformers in electric switchgear
GB1217926A Improvements relating to gas-blast circuit-breakers
GB1203861A Improvements relating to low-voltage electric fuses
GB1242865A Improvements relating to silencing devices for gas-blast circuit-breakers
GB1247662A Improvements relating to glands for terminating electric cables
GB1237771A Improvements relating to high-voltage electric switchgear
GB1237772A Improvements relating to high-voltage electric switchgear
GB1236916A Improvements relating to electro-magnetic tripping devices
GB1216994A Improvements relating to winding mechanisms for raising and lowering suspended control rods of nuclear reactors
GB1223833A Improvements relating to vacuum circuit-breakers
GB1216993A Improvements relating to control systems for nuclear reactors
GB1221291A Improvements relating to the synthetic testing of circuit-breakers
GB1223671A Improvements relating to high-voltage electric cable terminations