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SPRACO INC

Overview
  • Total Patents
    16
About

SPRACO INC has a total of 16 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, textiles and paper and electrical machinery and energy are FOX JEFFREY D, VICTOR AIR TOOLS CO LTD and MUNZ ELMER G.

Patent filings in countries

World map showing SPRACO INCs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 2
#3 Germany 1

Patent filings per year

Chart showing SPRACO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thompson Wayne B 4
#2 Hofmann Hans J 4
#3 Huffman David C 3
#4 Livingston Stebbins 3
#5 Livingston Stebbines 1
#6 Dennison Frank G 1

Latest patents

Publication Filing date Title
US4504013A Apparatus for discharging two commingled fluids
US4505431A Apparatus for discharging three commingled fluids _
US4706889A Spray-shower with nozzles, particularly flat fan nozzles
US4471913A Spray shower with flat fan nozzles
US1942379A Fluid current conveyer
US1821694A Spray table
US1950828A Induced draft unit for spray booths
US1939151A Separator
US1705680A Filter-cell-washing machine
US1705679A Spray nozzle
US1706006A Apparatus or tool for applying coating material
US1819116A Apparatus or tool for applying coating
US1705534A Air cooling and cleaning apparatus