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POPENOE CHARLES H

Overview
  • Total Patents
    21
About

POPENOE CHARLES H has a total of 21 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets measurement, machines and mechanical elements are SANNOHASHI CORP, WALTER ZIEHR and US GAUGE CO.

Patent filings per year

Chart showing POPENOE CHARLES Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Popenoe Charles H 19
#2 Wysong Ansel S 1
#3 Chiyaaruzu Eichi Popenoe 1

Latest patents

Publication Filing date Title
US2009092457A1 Method of making a fastening device for visually indicating tension
US5189979A Fluid pressure indicator
US4904132A Opti-mechanical displacement indicator with high sensitivity
US4114428A Radio-frequency tuned-circuit microdisplacement transducer
US3987668A Light reflective opti-mechanical displacement microindicator
US3987699A Opti-mechanical displacement microindicator
US3602186A Opti-mechanical stress-strain indicator
US3103886A Coiling fin for tube launched missiles
US1828518A Process for the preservation of fresh fruits and vegetables from mold and decay