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PARKER KNOLL LTD

Overview
  • Total Patents
    23
About

PARKER KNOLL LTD has a total of 23 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets furniture and games, electrical machinery and energy and basic materials chemistry are PLEDGE OFFICE CHAIRS, LIN YONGZHONG and HUESER SCHLARAFFIA WERKE.

Patent filings in countries

World map showing PARKER KNOLL LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 France 6
#3 Germany 2
#4 Belgium 1
#5 Canada 1
#6 United States 1

Patent filings per year

Chart showing PARKER KNOLL LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hopkins Reginald Arthur 5
#2 Howland Robin 3
#3 Howland Robert 1
#4 Fassnidge Kenneth Leslie 1
#5 Gomm Reginald Sidney 1
#6 Jourdan Charles Henry 1
#7 True Cyril John 1
#8 Travers Arthur George 1
#9 Jourdan Charles Henry Hans 1

Latest patents

Publication Filing date Title
GB1437678A Rocking mechanism for chairs
GB1324451A Rocking mechanism for chairs
GB1211807A Drop-end seat mechanism
GB1167949A Feed Mechanism for Coil Springs.
FR1349592A Furnishings related improvements
GB1011239A Sheet moulding method
GB988449A Method of forming upholstery covers
GB977742A Improvements in or relating to the construction of upholstered furniture
GB986794A Improvements in jointing and joints
GB998571A Improvements in or relating to upholstery
GB818760A Seat-springing
FR1070947A Improvements to chairs and similar furniture
GB702927A Improvements in or relating to the spring upholstery of furniture
GB699862A Improvements in or relating to cushions for upholstery
CA897048A Drop end seat mechanism