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TUNG SOL IND INC

Overview
  • Total Patents
    31
About

TUNG SOL IND INC has a total of 31 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets electrical machinery and energy, transport and machines are BREV VEREECKE SOC D EXPL DES, E H KUEFFER and SCINTEX.

Patent filings in countries

World map showing TUNG SOL IND INCs patent filings in countries
# Country Total Patents
#1 Germany 14
#2 United Kingdom 13
#3 United States 4

Patent filings per year

Chart showing TUNG SOL IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 G Siiberg Hemming 3
#2 Kratochvil Harry 1
#3 Taylor Sidney 1
#4 Schmidinger Joseph 1
#5 Pottieger Robert S 1
#6 Mayer Donald W 1
#7 K Beecher Joel 1
#8 B Almassy William 1
#9 Merkl George G 1
#10 E Carpenter Walter 1

Latest patents

Publication Filing date Title
GB1106350A Voltage and load compensated flasher
US3291936A Time delay snap switch with bimetallic pull ribbon
GB1059016A Electronic relay flasher
US3327155A Sealed beam lamp with colored filter
US3313981A Sequential flasher
GB1042394A Sealed beam headlamps
US3274422A Colored sealed beam lamp and method of making the same