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SERVICEMASTER IND

Overview
  • Total Patents
    26
About

SERVICEMASTER IND has a total of 26 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Sweden and United Kingdom. Its main competitors in its focus markets furniture and games, machines and audio-visual technology are FLOOROLA CORP, FINNELL WALTER S and CITIZENS TRUST COMPANY.

Patent filings in countries

World map showing SERVICEMASTER INDs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Sweden 3
#3 United Kingdom 2
#4 Canada 1
#5 Switzerland 1
#6 Germany 1
#7 France 1
#8 Japan 1

Patent filings per year

Chart showing SERVICEMASTER INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Blomgren Roland A 6
#2 Copeland William M 4
#3 Shallenberg Robert L 4
#4 Hufton Austen B 4
#5 Blomgren R A 3
#6 Cannan Bernard M 3
#7 Blomgren Roland Axel 2
#8 Shallenberg Robert Lloyd 2
#9 Copeland William Mac 2
#10 Hufton Austen Bryce 2

Latest patents

Publication Filing date Title
US4601954A Disinfectant formulation
US4656765A Apparatus for bedding control in health care institutions
FR2536265A1 Rotary apparatus for cleaning floors.
GB2130475A Rotary floor cleaner
US4400843A Rotary floor cleaner
US4429432A Sanitizer attachment for a mobile floor cleaner
US4270238A Cleaning tool
US4198721A Combination motor and auxiliary mechanism actuator
US4174977A Apparatus and method for mopping floors
US4102462A Tip device for a vacuum cleaner tank
US4028827A Sign
US3992747A Cleaning tool
US3971643A Vacuum cleaner including dust bag and filter
US3922833A Fastener
US3958298A Cleaning nozzle
US3919729A Method for cleaning carpets
US3882961A Muffler for vacuum-inducing motor
US3728075A Method of shampooing carpet on location