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CLARKE CHAPMAN LTD

Overview
  • Total Patents
    307
About

CLARKE CHAPMAN LTD has a total of 307 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United Kingdom, Germany and United States. Its main competitors in its focus markets thermal processes, machine tools and packaging and shipping are CLARKE CHAPMAN JOHN THOMPSON L, CLARKE and JOHN LOUIS COLTMAN.

Patent filings in countries

World map showing CLARKE CHAPMAN LTDs patent filings in countries

Patent filings per year

Chart showing CLARKE CHAPMAN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hryniszak Waldemar 12
#2 Henderson Leslie 9
#3 Hasson Leslie 5
#4 Tyler Terence 4
#5 Jones Emyr 4
#6 Beetham Stanley 4
#7 Cummings R J 3
#8 Robson John 3
#9 Thompson Thomas 3
#10 Thompson Adrian 3

Latest patents

Publication Filing date Title
BE878608R Method and plant for regenerating ion exchange materials
ZA7802998B Methods of and apparatus for,regenerating ion exchange materials
DE2753729A1 VERTAEU WINCH DEVICE WITH A WINDING DRUM OPERATED IN NORMAL OPERATION BY A MULTI-PHASE AC MOTOR SUPPLIED BY A MULTI-PHASE AC MAINS
GB1535443A Treatment of water
GB1545591A Grab
GB1527799A Tanks
GB1538126A Hoist mechanism
GB1527795A Brake mechanism
GB1529611A Coke oven machine
NZ183083A Ion exchange; method and apparatus; cellulosic ion exchange medium and liquid containing proteinaceous materials
GB1517061A Tubular heat exchanger
GB1533482A Method and apparatus for steam/water separation
GB1520674A Joining tubes to members
DE2645722A1 Friction welding machine using high press.
US4043496A Friction welding machine
GB1519489A Method of regenarting ion exchange material
US4055151A Waste heat boiler
GB1496030A Clamp
GR59334B Dock gate
GB1500975A Friction welding methods and articles for use therein