NAT ELECTRIC SIGNALING COMPANY innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	33
#2	France	1

#	Industry
#1	Basic communication technologies
#2	Digital networks
#3	Telecommunications
#4	Measurement
#5	Electrical machinery and energy
#6	Audio-visual technology

#	Technology
#1	Digital information transmission
#2	Demodulation
#3	Antennas
#4	Transmission
#5	Generation of oscillations
#6	Magnets and transformers
#7	Radio navigation
#8	Measuring electric variables
#9	Loudspeakers and microphones
#10	Electric discharge tubes

Publication	Filing date	Title
US1239114A	1914-08-31	Circuit-breaker.
US1192909A	1914-08-31	Spark-gap.
US1039717A	1911-01-07	High-frequency electrical conductor.
US1014002A	1910-09-09	Apparatus for wireless signaling.
US1016564A	1910-09-09	Break-key.
US1045781A	1910-01-29	Wireless telegraphy.
US1045782A	1910-01-29	Wireless telegraphy.
US1035334A	1909-07-19	Wireless telegraphy.
US1022584A	1909-06-12	Method of determining frequency of periodic impulses.
US1002052A	1907-12-23	Electrical signaling.
US1022540A	1907-04-05	Wireless signaling.
US941565A	1907-03-18	Method for determining positions of vessels.
US1002051A	1907-02-08	Signaling by electromagnetic waves.
US1015881A	1906-12-19	Means for the transmission of energy by electromagnetic waves.
US998567A	1906-12-17	Signaling by electromagnetic waves.
US846081A	1906-10-27	Receiver.
US916429A	1906-07-03	Receiver for electromagnetic waves.
US962015A	1906-01-06	Receiver for electric signaling.
US1019236A	1905-11-03	Signaling.
US1002141A	1905-08-21	Determining position of vessels.