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PERFECTING SERVICE COMPANY

Overview
  • Total Patents
    31
About

PERFECTING SERVICE COMPANY has a total of 31 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets mechanical elements, machines and textiles and paper are QUIKCOUP INC, SMITH TELFORD L and NORTON MCMURRAY MFG COMPANY.

Patent filings in countries

World map showing PERFECTING SERVICE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 5
#3 Switzerland 3
#4 Germany 3
#5 France 3
#6 United Kingdom 3

Patent filings per year

Chart showing PERFECTING SERVICE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shaw Harmon L 12
#2 Frost Frank E 5
#3 Williamson Jr John G 4
#4 Shaw Edwin C 4
#5 Service Company Perfecting 2
#6 Ferguson George R 2
#7 Bass Jr John E 2
#8 Farris Carl W 2
#9 Shaw Harmon Lee 2
#10 Carl W Farris 1

Latest patents

Publication Filing date Title
US3314696A Quick connect coupling
US3215158A Stack valve assemblies with interchangeable components
US3145738A Loom picker stick check
US3134217A Stop motion for fly frames
US3089302A Lay control transmission for roving frames
US3044574A Air line lubricator with measured lubrication
US3004563A Picker stick buffer for looms
US3085219A Improved composite fluid and electrical coupling
US3110537A Composite fluid and electrical coupling
US2985468A Rotary fluid connection with side delivery
US3061337A Rotary fluid connector with noncommunicating passageways
FR1120650A Steam trap
GB774561A Valve mechanism for a condensate trap
US2831709A Swing joint pipe coupling
US2760133A Electrical remote control apparatus
FR1089512A Swivel fitting
FR1088165A Rotary fitting
GB724948A Improvements in or relating to rotary joints or connections for the passage of fluidbetween stationary and rotary members
GB737810A Improvements in or relating to rotary connections for fluid conduits and the like
US2673748A Rotary connection