BERTRAND JOSEPH TETU has a total of 12 patent applications. Its first patent ever was published in 1907. It filed its patents most often in Canada and United States. Its main competitors in its focus markets thermal processes and civil engineering are MATSUI KENJI, DOO WOO TECHNOLOGY CORPS INC and FARKAS GYOERGY GEZA.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 10 | |
#2 | United States | 2 |
# | Industry | |
---|---|---|
#1 | Thermal processes | |
#2 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Air-conditioning | |
#2 | Foundations and excavations | |
#3 | Refrigerators |
# | Name | Total Patents |
---|---|---|
#1 | Bertrand Joseph Tetu | 12 |
Publication | Filing date | Title |
---|---|---|
US1267840A | Knockdown isothermal shipping-box. | |
CA180160A | Isothermal shipping box | |
CA153941A | Breakwater | |
CA170291A | Isothermal box | |
US884354A | Marine concrete construction. | |
CA361448A | Refrigerator | |
CA214212A | Apparatus for the curing and desiccating of fish | |
CA204048A | Isthermal shipping box | |
CA268342A | Bee-hive packing device | |
CA262863A | Control of sand and alluvial movement | |
CA264368A | Breakwater | |
CA261231A | Fish curing apparatus |