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CLARK GEORGE SHEFFIELD LTD

Overview
  • Total Patents
    15
About

CLARK GEORGE SHEFFIELD LTD has a total of 15 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United Kingdom, Australia and Germany. Its main competitors in its focus markets civil engineering, thermal processes and mechanical elements are YAMAGIWA KK, BULLDOG AS and COLLIS HOWARD GEOFFREY.

Patent filings in countries

World map showing CLARK GEORGE SHEFFIELD LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Australia 1
#3 Germany 1
#4 France 1
#5 Netherlands 1
#6 Sweden 1

Patent filings per year

Chart showing CLARK GEORGE SHEFFIELD LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Phinn Michael Anthony 1
#2 Phinn M A 1
#3 Smith Eric William 1
#4 Fallon John Brian 1

Latest patents

Publication Filing date Title
GB9219899D0 Fixing device
GB9216559D0 A support means
GB9207891D0 Wall tie
GB9116744D0 A support means
GB9111385D0 Shuttering
GB9104461D0 A support means
GB9100574D0 Cavity wall tie
GB9022430D0 Cam washer adjusting device
GB9003818D0 Support means
DE2549904A1 METHOD OF ANCHORING FIRE-RESISTANT MATERIAL TO A SUPPORTING STRUCTURE AND FIRE-RESISTANT ANCHORS
GB1256313A Improvements in or relating to the strengthening of structures formed from prefabricated reinforced concrete slabs