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H A HADLEY ASSOCIATES INC

Overview
  • Total Patents
    14
About

H A HADLEY ASSOCIATES INC has a total of 14 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets measurement, machines and mechanical elements are L R MURPHY SCALE COMPANY, TOLEDO SCALE CO and TOLEDO COMPUTING SCALE COMPANY.

Patent filings in countries

World map showing H A HADLEY ASSOCIATES INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 United Kingdom 5

Patent filings per year

Chart showing H A HADLEY ASSOCIATES INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Machines
#3 Mechanical elements

Focus technologies

# Technology
#1 Weighing
#2 Unspecified technologies
#3 Shafts

Top inventors

# Name Total Patents
#1 Hadley Harlan A 7
#2 Singleton Lester D 1
#3 Holt Harold P 1

Latest patents

Publication Filing date Title
GB704652A Dampening devices
US2685482A Pivot and bearing assembly
US2692771A Check link for weighing scales
GB683925A Weighing apparatus
US2659593A Weighing scale
US2692772A Weighing scale
GB669719A Improvements in weighing scales
GB668787A Improvements in pivot and bearing assemblies
GB671709A Improvements in pivot and bearing assemblies
US2611662A Pivot and bearing assembly
US2594157A Weighing scale
US2611661A Pivot and bearing assembly
US2611659A Pivot and bearing assembly
US2611660A Pivot and bearing assembly