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SAUNDERS ROE DEV LTD

Overview
  • Total Patents
    35
About

SAUNDERS ROE DEV LTD has a total of 35 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, basic materials chemistry and measurement are CHEN GUOWEI, EBERHARD LENZE and BOLTA CHARLES.

Patent filings in countries

World map showing SAUNDERS ROE DEV LTDs patent filings in countries

Patent filings per year

Chart showing SAUNDERS ROE DEV LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ault John Douglas 2
#2 Tyler David Bruce Valentine 2
#3 Hegarty William 2
#4 Graham Guthrie David 2
#5 Bright Alfred Nicholas 2
#6 Bright Alfred N 2
#7 Wills Kenneth Frank 1
#8 Jordan Brian Jerrold 1
#9 Guthrie David Graham 1
#10 Wills Kenneth F 1

Latest patents

Publication Filing date Title
US4931910A Lighting devices
GB8812496D0 Light emitting devices
GB8807674D0 Portable identification devices
GB8807031D0 Portable identification devices
GB8802749D0 Self luminous signs
GB8725925D0 Self luminous characters
GB8709040D0 Mercury type switches
GB8501340D0 Vehicle passenger seat
GB1580058A Instrument dial cover and instrument incorporating same
GB1434735A Warning device
GB1426330A Indicating devices
IL32785D0 Improvements in self-luminous apparatus
IL32220D0 Illumination systems
GB1197261A Improvements in or relating to Illumination Systems
GB1197471A Improvements in or Relating to Luminous Compounds
GB1171173A Improvements in or relating to Instruments for Radiation Measurement
GB1129582A Improvements in or relating to torque meters
GB1129583A Improvements in or relating to torque meters
CA907583A Illumination systems
CA816254A Self-luminous light source