HENNINGER JR ANDREW F has a total of 13 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and basic materials chemistry are RAINBOW LIGHT INC, SHIKOH TECH LLC and WALTER LUDWIG WILHELM SCHALLRE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Audio-visual technology | |
#3 | Basic materials chemistry | |
#4 | Machines | |
#5 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Electric discharge tubes | |
#2 | Special electric heating or lighting | |
#3 | Electric switches | |
#4 | Unspecified technologies | |
#5 | Toys | |
#6 | Advertising | |
#7 | Materials for miscellaneous applications |
# | Name | Total Patents |
---|---|---|
#1 | Henninger Jr Andrew F | 13 |
#2 | Henninger George D | 3 |
Publication | Filing date | Title |
---|---|---|
US2281579A | Manufacture of gaseous conduction lamps | |
US2219923A | Battery operated gaseous conduction lamp flasher | |
US2210718A | Electrical display device | |
US2108487A | Negative glow display | |
US2069308A | Negative glow device | |
US2057522A | Negative glow lamp | |
US2073062A | Animated figure negative glow device | |
US1938538A | Negative glow system for creating illusion of motion | |
US2020413A | Means for obtaining flame effects in negative glow devices | |
US1960245A | Flashing negative glow display device | |
US2069307A | Method of treating electrodes of negative glow devices | |
US2072622A | Circuit for negative glow devices | |
US2002775A | Cathode glowlamp |