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ROBERT FRANKLIN RINGLE

Overview
  • Total Patents
    12
About

ROBERT FRANKLIN RINGLE has a total of 12 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany and United Kingdom. Its main competitors in its focus markets materials and metallurgy and electrical machinery and energy are KUENKEL WAGNER GERMANY GMBH, BEREZIN NIKOLAJ A and KLOTH SENKING EISEN METALL.

Patent filings in countries

World map showing ROBERT FRANKLIN RINGLEs patent filings in countries
# Country Total Patents
#1 Germany 6
#2 United Kingdom 6

Patent filings per year

Chart showing ROBERT FRANKLIN RINGLEs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Foundry moulding
#2 Electric switches

Latest patents

Publication Filing date Title
GB376532A Improvements in valves or electric switches operated automatically after a predetermined interval
GB358670A Improvements in foundry moulding machines
GB355044A Improvements in foundry moulding machines
GB362851A Improvements in foundry-moulding machines
GB362384A Improvements in turnover devices for foundry flasks
GB361456A Improvements in valve mechanism for moulding machines