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HARDMAN INC

Overview
  • Total Patents
    16
About

HARDMAN INC has a total of 16 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machines, surface technology and coating and engines, pumps and turbines are R H WINDSOR LTD, YAMASHIRO SEIKI SEISAKUSHO KK and TONGLING GREAT EXTRUSION TECH CO LTD.

Patent filings in countries

World map showing HARDMAN INCs patent filings in countries
# Country Total Patents
#1 United States 6
#2 United Kingdom 4
#3 Canada 3
#4 Germany 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Wolfrom Norman S 5
#2 Anderson Alfred J 4
#3 Hardman James V 4
#4 Hardman Kenneth V 3
#5 Wolfrom N 1
#6 Wolfman Norman S 1
#7 Koehler Harold W 1
#8 J Anderson Alfred 1
#9 Finelli Alfred A 1
#10 V Hardmann Kenneth 1

Latest patents

Publication Filing date Title
US5005731A Hand-held extruder
CA1059372A Positive displacement metering pump
US4013386A Positive displacement metering pump
US3750905A Hand-held extruding apparatus
US3700215A Mixing and dispensing device
GB1168734A A Metering Pump.
US3373903A Self-purging mixing and dispensing apparatus
US3472809A Curable composition for flexible molds