BALLANTINE LAB has a total of 12 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets measurement, basic communication technologies and electrical machinery and energy are VOLTECH INSTR LTD, GUILDLINE INSTRUMENTS LTD and DOBLE ENG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 1 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | United Kingdom | 1 | |
#5 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Basic communication technologies | |
#3 | Electrical machinery and energy | |
#4 | Audio-visual technology | |
#5 | Computer technology |
# | Technology | |
---|---|---|
#1 | Measuring electric variables | |
#2 | Amplifiers | |
#3 | Analogue computers | |
#4 | Emergency protective circuit arrangements | |
#5 | Code conversion | |
#6 | Casings and printed circuits |
# | Name | Total Patents |
---|---|---|
#1 | Katzmann Fred L | 5 |
#2 | Harper Jerry | 3 |
#3 | Harrison Jr Archie J | 2 |
#4 | Harrison Archie J | 2 |
#5 | Cannara Alexander B | 1 |
#6 | Muller Alfred B | 1 |
#7 | Soojian Haig | 1 |
#8 | Endel Uiga | 1 |
#9 | Sauber James W | 1 |
#10 | Duckworth James J | 1 |
Publication | Filing date | Title |
---|---|---|
US4733322A | AC-DC transfer standard overload protection circuit | |
WO8606496A1 | Ac-dc transfer standard temperature sensor reversal error compensation circuit | |
US4695793A | Resistive sensing thermal device for current measurement | |
US4255706A | Broadband voltmeter | |
US4090632A | Adjustable instrument case | |
US4000463A | Direct-reading decibel meter | |
US3701142A | Integrating converters with synchronous starting | |
GB817331A | Low level wide band voltage measurement system | |
US2810107A | Electrical measuring instrument | |
US2879474A | Low level wide band voltage measurement system |