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RAPHAELS LTD

Overview
  • Total Patents
    24
About

RAPHAELS LTD has a total of 24 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets machine tools, optics and surface technology and coating are SEIKO OPTICAL PRODUCTS CO LTD, WERNICKE & CO KG and CONTINENTAL OPTICAL CORP.

Patent filings in countries

World map showing RAPHAELS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 France 3
#3 United States 3
#4 Germany 1

Patent filings per year

Chart showing RAPHAELS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gravell George William 2
#2 Townrow Wilfred Albert 1
#3 Barnett C 1
#4 Franklin Ronald William James 1
#5 Raphael Osmond Philip 1
#6 Birch Frederick 1
#7 Frederick Birch 1
#8 Dorkings Charles Horace 1
#9 Norvill William Harold 1
#10 Albert Townrow Wilfred 1

Latest patents

Publication Filing date Title
GB1516936A Adjustment means for optical lens edge grinding machines
GB1492985A Lens edgers
GB1420450A Devices for mounting lenses for edge grinding
GB1420502A Lens edging machine
GB1356208A Monowheel plastic lens edger
GB1155719A Lens Embracer
US3153883A Grinding machines
US3135072A Tool and tool holder assemblies for lens surfacing machines
GB946718A Polishing devices
GB948683A Grinding machines
GB947947A Tool and tool holder assemblies for lens surfacing machines
GB855268A Spectacle frames
GB813475A Applying metal members to plastic articles
GB788471A Machines for bevelling the edges of lenses
GB749360A Mechanism for producing equal and opposite motions of two members
GB727003A Improvements relating to spectacles
GB590094A Improvements in spectacle frames
GB588539A Improvements in spectacle frames
GB128418A An Improvement in Spectacles or Goggles.