HULIT JOHN A has a total of 12 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets digital networks, electrical machinery and energy and telecommunications are KINSLEY CARL, CELOX NETWORKS INC and IRONBRIDGE NETWORKS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Digital networks | |
#2 | Electrical machinery and energy | |
#3 | Telecommunications | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Digital information transmission | |
#2 | Electric switches | |
#3 | Guiding railway traffic | |
#4 | Selecting |
# | Name | Total Patents |
---|---|---|
#1 | Hulit John A | 12 |
Publication | Filing date | Title |
---|---|---|
US1718784A | Telegraphic sending apparatus | |
US1555211A | Telegraph sending instrument | |
US1555210A | Telegraph sending instrument | |
US1519840A | Telegraph sounder | |
US1442474A | Recording telegraphic receiving instrument | |
US1428033A | Recording telegraph machine | |
US1399429A | Recording telegraphic receiving instrument | |
CA163590A | Signal system | |
CA170235A | Selective signalling system | |
US896832A | Selective call apparatus. | |
US850837A | Selective call apparatus. | |
US795836A | Selective call apparatus. |