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VALLEY IRON WORKS COMPANY

Overview
  • Total Patents
    16
About

VALLEY IRON WORKS COMPANY has a total of 16 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States and Canada. Its main competitors in its focus markets textiles and paper, machines and materials and metallurgy are LAWRENCE DUCK COMPANY, ANHUI HUAYU UNIVERSAL FABRIC CO LTD and NOVATECH SIEBE & TECH.

Patent filings in countries

World map showing VALLEY IRON WORKS COMPANYs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 4

Patent filings per year

Chart showing VALLEY IRON WORKS COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Peterson Emil A 4
#2 Graef John M 3
#3 Notbohm Willard C 2
#4 Everson Carl E 1
#5 De Noyer Donald B 1
#6 Hinzke Albert Gustav 1
#7 Boronow Paul 1
#8 Notbohm Williard C 1
#9 Wilson Pollock Samuel 1
#10 Hinzke Albert G 1

Latest patents

Publication Filing date Title
US3034578A Nozzle blade lip
US2700921A Method and apparatus for applying a wire to fourdrinier machines
US2617334A Pulper for paper stock
US1859034A Automatic take-up motion for looms
US1872275A Positive shuttle drive for looms
US1856450A Pulp strainer
US1890622A Jordan engine
US1712632A Deckling mechanism for paper-making machines
US1856081A Cylinder paper machine
US1229545A Beating-engine.
CA162349A Sulphur burner
US1149765A Sulfur-burner.
US843965A Flushing device for rag-engine vats.
CA554738A Secondary headbox
CA340322A Loom take-up motion
CA637254A Nozzle blade lip