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DEMMLER HENRY L

Overview
  • Total Patents
    13
About

DEMMLER HENRY L has a total of 13 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy, engines, pumps and turbines and civil engineering are MADONO OSAMU, BEREZIN NIKOLAJ A and CHIZHOU HUAXING TAINQI PREC MACHINERY CASTING CO LTD.

Patent filings in countries

World map showing DEMMLER HENRY Ls patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 3

Patent filings per year

Chart showing DEMMLER HENRY Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Demmler Henry L 13

Latest patents

Publication Filing date Title
US2126097A Means for venting core boxes
US1822205A Core booking apparatus
US1480750A Method of and machine for making molds
US1480749A Molding machine
US1480748A Molding apparatus
US1480747A Means for venting core boxes
US1560145A Molding machine
CA141592A Valve
US1042094A Automatic valve mechanism for bumping-machines.
US910651A Molding apparatus.
US1045956A Bumping-machine.
CA248602A Method for making moulds and cores
CA294216A Core booking apparatus