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HADLEY BENJAMIN H

Overview
  • Total Patents
    11
About

HADLEY BENJAMIN H has a total of 11 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, mechanical elements and measurement are MEISENHEIMER JR DANIEL T, BOLENDER KUBITZ MASCH BKM and EMCO WHEATON DTM INC.

Patent filings in countries

World map showing HADLEY BENJAMIN Hs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing HADLEY BENJAMIN Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hadley Benjamin H 11

Latest patents

Publication Filing date Title
US5172477A Method of producing a flexible hose assembly for a manometer mercury line
US5069253A Flexible hose assembly
US2866366A Drilling machine
US2773724A Thrust block
US2670511A Method of lining bearings
US2670509A Apparatus for lining bearings
US2431117A Backup warning device
US2580677A Vehicle switch for back-up warning
US2427453A Vehicle backup warning device
CA13791A Improvements in belt shippers
CA510862A Method and apparatus for lining bearings