FOREST RADIO TELEPHONE AND TEL has a total of 15 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States. Its main competitors in its focus markets basic communication technologies, electrical machinery and energy and audio-visual technology are ARTHUR KENNETH MACRORIE, TERMAN FREDERICK E and JOHN SCOTT TAGGART.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies | |
#2 | Electrical machinery and energy | |
#3 | Audio-visual technology | |
#4 | Telecommunications | |
#5 | Digital networks | |
#6 | Machines | |
#7 | Transport | |
#8 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Generation of oscillations | |
#2 | Modulation | |
#3 | Amplifiers | |
#4 | Electric discharge tubes | |
#5 | Transmission | |
#6 | Guiding railway traffic | |
#7 | Unspecified technologies | |
#8 | Loudspeakers and microphones | |
#9 | Sound-producing devices | |
#10 | Digital information transmission |
# | Name | Total Patents |
---|---|---|
#1 | De Forest Lee | 11 |
#2 | Gowen Robert F | 1 |
#3 | Logwood Charles V | 1 |
#4 | Veyne Logwood Charles | 1 |
#5 | De Forest Ler | 1 |
#6 | Garity William E | 1 |
Publication | Filing date | Title |
---|---|---|
US1604986A | Alternating-current generator | |
US1398372A | Coil-mounting | |
US1525941A | Radio signaling system | |
US1515152A | Communication system for railway trains | |
US1348213A | Radiotelephone system | |
US1437498A | Oscillion | |
US1329758A | Oscillating-current generator | |
US1680207A | Radio signaling system | |
US1365157A | Apparatus for use in telegraphy or telephony | |
US1507016A | Radiosignaling system | |
US1348157A | Apparatus for amplifying pulsating electric currents | |
US1554795A | Radio signaling system | |
US1397575A | Selective audion-amplifier | |
US1375447A | Means for amplifying currents |