FOREST RADIO TELEPHONE & TELEG has a total of 29 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, telecommunications and audio-visual technology are ARISTOTE MAVROGENIS, ERNEST YEOMAN ROBINSON and BINNEWEG JR ABRAHAM.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 28 | |
#2 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Telecommunications | |
#3 | Audio-visual technology | |
#4 | Basic communication technologies | |
#5 | Semiconductors | |
#6 | Control | |
#7 | Machines | |
#8 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Electric discharge tubes | |
#2 | Transmission | |
#3 | Casings and printed circuits | |
#4 | Unspecified technologies | |
#5 | Antennas | |
#6 | Machines for artistic work | |
#7 | Semiconductor devices | |
#8 | Alarm systems | |
#9 | Magnets and transformers | |
#10 | Generation of oscillations |
# | Name | Total Patents |
---|---|---|
#1 | Hunter Jr Frederick L | 6 |
#2 | Crowley Sylvester W | 5 |
#3 | Logwood Charles V | 3 |
#4 | De Forest Lee | 3 |
#5 | Frederick Holborn | 2 |
#6 | Gowen Robert F | 2 |
#7 | Squire Frank M | 2 |
#8 | Llewellyn Bradford James | 1 |
#9 | Dieges Robert T | 1 |
#10 | William Garity | 1 |
Publication | Filing date | Title |
---|---|---|
US1696928A | Antenna | |
US1740577A | Wireless telegraph and telephone system | |
US1849527A | Electron discharge device and process of making the same | |
US1751485A | Frequency-changing method and means | |
US1828884A | Wire bending machine | |
US1722468A | Electron-discharge device | |
US1840284A | Electron discharge device | |
US1720453A | Means for reducing interfering voltages in radio apparatus | |
US1855760A | Electron discharge device | |
US1587321A | Pump | |
US1585159A | Thermal generator | |
US1672483A | Electron-discharge device | |
US1647996A | Electron-discharge device | |
US1695687A | Filament | |
US1612967A | Engraving apparatus | |
US1672482A | Electron-discharge device | |
US1897480A | Process of making electron discharge device | |
US1835051A | Electron discharge device | |
US1720544A | Radio receiving apparatus | |
US1567260A | Audion electrode structure |