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SONORA PHONOGRAPH CORP

Overview
  • Total Patents
    56
About

SONORA PHONOGRAPH CORP has a total of 56 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets audio-visual technology, consumer goods and civil engineering are ALEX FISCHER, WIEDER HENRY GEORGE and LANDON JOSEPH MARGULIES.

Patent filings in countries

World map showing SONORA PHONOGRAPH CORPs patent filings in countries
# Country Total Patents
#1 United States 29
#2 Canada 14
#3 Switzerland 5
#4 France 4
#5 United Kingdom 2
#6 Australia 1
#7 Germany 1

Patent filings per year

Chart showing SONORA PHONOGRAPH CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Farb Pincus 9
#2 Wolff Joseph 8
#3 Malocsay Frank 5
#4 Phonograph Corporation Sonora 5
#5 Joseph Wolff 5
#6 Frank Oberst 4
#7 Pincus Farb 3
#8 Oberst Frank 2
#9 Malonsay Frank 1
#10 Hoschke William E 1

Latest patents

Publication Filing date Title
AU1560020B An improved lid support for talking machines
GB166733A Improvements in lid or cover supports
DE338529C Lid holder for boxes, housings or the like, especially of speaking machines
US1395350A Lid-support
GB145315A Improvements in or relating to speed regulators for talking machines and the like
US1392077A Automatic stop
US1392055A Filing-cabinet
US1461829A Tone arm
US1459743A Tone arm
US1517813A Sound conveyer for talking machines
US1383613A Chuck for talking-machine needles and the like
CA191604A Speed regulation
US1350796A Automatic stop
US1289065A Amplifying device for talking-machines.
US1409369A Talking machine
US1350763A Indicator for phonograph-reproducers
US1302342A Motor.
US1294643A Jig.
US1270278A Sound-modifier for talking-machines.
US1270260A Filing-cabinet.