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WARREN BROTHERS COMPANY

Overview
  • Total Patents
    39
About

WARREN BROTHERS COMPANY has a total of 39 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and Spain. Its main competitors in its focus markets civil engineering, basic materials chemistry and chemical engineering are SHAANXI ZHONGDA LIDING TECH CO LTD, ETS RICHIER and FOOTE COMPANY INC.

Patent filings in countries

World map showing WARREN BROTHERS COMPANYs patent filings in countries
# Country Total Patents
#1 United States 24
#2 Canada 7
#3 Spain 6
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing WARREN BROTHERS COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ash Horace W 11
#2 Schutte August E 4
#3 Howard Perkins George 3
#4 Wallace Edwin Corby 3
#5 Slemmer William B 3
#6 Shoemaker Robert C 2
#7 Wallace Edwin C 2
#8 Gersham Cutter Frank 1
#9 Warren Ralph L 1
#10 Schutte August Eduard 1

Latest patents

Publication Filing date Title
US3195869A Mixer for abrasive aggregates
US1918155A Road surfacing
US1934646A Cement handling apparatus
US1902145A Apparatus designed for handling cement and like material
US1794318A Dumping body
US1937417A Method of impregnating concrete bodies and porous ceramic products with bituminous material
US1794317A Machine for spreading bituminous mixtures
US1766188A Method of spreading bituminous mixtures
US1677600A Consturction of street pavements
US1670785A Machine for making concrete roadways
US1654358A Combustion chamber
US1067210A Heating and mixing plant.
US1187959A Heating and mixing plant.
FR357839A Improvements made to the paving of streets or roadways
US887906A Heater and drier.
CA93903A Bituminous pavament
US791726A Apparatus for spreading bitumen or material of a similar character.
CA87255A Pavement ingredients
US757387A Still for crude bituminous material.
US916070A Pavement.