Learn more

GARDNER JOHN E

Overview
  • Total Patents
    11
About

GARDNER JOHN E has a total of 11 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States and Canada. Its main competitors in its focus markets telecommunications, chemical engineering and thermal processes are WEINLAND HENRY FORRY, SANDBLOM GIDEON EFRAIM and BERGEMANN GMBH.

Patent filings in countries

World map showing GARDNER JOHN Es patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing GARDNER JOHN Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gardner John E 11
#2 Howard William Stamps 3
#3 Amador Pedro E 3
#4 Stoner James A 3
#5 Sutton Benjamin 1

Latest patents

Publication Filing date Title
US2009255557A1 Automated heat exchanger tube cleaning assembly and system
US3889949A Football blocking sled
US1952369A Selecting system
US1982290A Selecting system
US1870621A Automatic telephone system
US1761115A Automatic telephone system
US1952368A Selecting system
US1736283A Automatic telephone system
CA26015A Shield for street car drivers