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GREENBERG ELMER H

Overview
  • Total Patents
    12
About

GREENBERG ELMER H has a total of 12 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement, machine tools and materials and metallurgy are CLEANING TECH LTD, PANGBORN CORP and MACOHO CO LTD.

Patent filings in countries

World map showing GREENBERG ELMER Hs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing GREENBERG ELMER Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Greenberg Elmer H 12
#2 Greenberg William B 8

Latest patents

Publication Filing date Title
US3283450A Method for surface-finishing metalwork
US3138900A Metal-plate-treating apparatus
US3188859A Apparatus for scanning test heads over large objects
US3209582A Apparatus for scanning large objects with a test-unit probe
US3103767A Metal-plate-treating apparatus
US3055150A Metal-plate-treating method and apparatus
US2924771A Method and apparatus for identifying metals
US2284317A Method for scrubbing gases
US2148020A Process for treating metals
US2214612A Chlorinating device and lining therefor
US2214611A Apparatus for treating metals
CA706607A Abrasive blasting of metal plates