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KEEFE & MERRITT COMPANY O

Overview
  • Total Patents
    13
About

KEEFE & MERRITT COMPANY O has a total of 13 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, thermal processes and semiconductors are NAKAMURA SHIGENOBU, MITSUI HIGH TEC and VANTEC CO LTD.

Patent filings in countries

World map showing KEEFE & MERRITT COMPANY Os patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing KEEFE & MERRITT COMPANY Os patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brainard Maurice W 8
#2 Ralph Bury 1
#3 Durant Wilbur G 1
#4 Hamilton Sylvester J 1
#5 Davis George O 1
#6 Merritt Robert J 1

Latest patents

Publication Filing date Title
US3011850A Power operating adjustable broiler for cooking ranges
US2854918A Rotisserie for kitchen ranges
US2811658A Field construction for electric machines
US2806160A Rotor and method of making the same
US2740924A Dry plate type rectifier
US2680822A Rotor for dynamoelectric machines
US2665334A Dry plate type rectifier
US2665398A Dry plate type rectifier
US2634379A Rotating rectifier for electric machines
US2722652A Excitation system for electrical machines
US2632511A Method and apparatus for making apertured manifolds for gas stoves
US2674990A Stove with folding cover
US2664878A Adjustable broiler for cook stoves