POTTER & BRUMFIELD INC has a total of 17 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Canada and Czechia. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are DELTA SCHOELLER LTD, SERRAS PAULET EDOUARD and CUNNINGHAM CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 3 | |
#3 | Czechia | 1 | |
#4 | Germany | 1 | |
#5 | EPO (European Patent Office) | 1 | |
#6 | Japan | 1 | |
#7 | Singapore | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machines | |
#3 | Audio-visual technology | |
#4 | Basic communication technologies |
# | Name | Total Patents |
---|---|---|
#1 | Lueneburger Klaus | 3 |
#2 | Cambreleng Paul | 3 |
#3 | Kropp Karl R | 3 |
#4 | Moalem Fred | 2 |
#5 | Learned Edward B | 2 |
#6 | Vaughn Thomas H | 1 |
#7 | Furetsudo Mooremu | 1 |
#8 | Liao Shangshyan | 1 |
#9 | Jiyon Aaru Jiyoisu Jiyunia | 1 |
#10 | Joyce John R | 1 |
Publication | Filing date | Title |
---|---|---|
SG30366A1 | Switchable circuit breaker | |
US5343365A | PCB relay having an improved terminal structure | |
US5289144A | Electromagnetic relay and method for assembling the same | |
US5274348A | Electromagnetic relay | |
US5223813A | Circuit breaker rocker actuator switch | |
US5146386A | Electronic monitoring and redundant control circuit for a power switch | |
US5075642A | Oscillator circuit | |
US4984123A | Latching switching device having current responsive release | |
US4835502A | Secure magnet blowout mounting for relays | |
US4611392A | Method of manufacturing relays |