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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Chemical engineering | |
#3 | Thermal processes | |
#4 | Digital networks | |
#5 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Selecting | |
#2 | Cleaning | |
#3 | Cleaning heat-exchanger internal surfaces | |
#4 | Telephonic communication | |
#5 | Digital information transmission | |
#6 | Physical training equipment |
# | 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 |
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 |