PURCELL EDWARD M has a total of 11 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States and Switzerland. Its main competitors in its focus markets telecommunications, measurement and machines are CHARLES WALTER MILLER, HENDRY DAVID ROBERT and WAVE TECH CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Switzerland | 1 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Measurement | |
#3 | Machines | |
#4 | Electrical machinery and energy | |
#5 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Waveguides | |
#2 | Measuring electric variables | |
#3 | Radio navigation | |
#4 | Unspecified technologies | |
#5 | Separating solids using liquids | |
#6 | Electric discharge tubes | |
#7 | Unspecified technologies | |
#8 | Antennas |
# | Name | Total Patents |
---|---|---|
#1 | Purcell Edward M | 10 |
#2 | Howard C Berg | 1 |
#3 | Montgomery Dorothy D | 1 |
#4 | Durfee Montgomery Dorothy | 1 |
#5 | Edward M Purcell | 1 |
#6 | Montgomery Carol G | 1 |
Publication | Filing date | Title |
---|---|---|
US2761059A | Wave polarization discriminating duplexing system | |
US2779923A | Mode transformer for wave guides | |
US2775737A | Standing wave measuring system | |
US2667601A | Slot type magnetron | |
US2558385A | Branch guide coupler | |
US2564030A | Phase shifting device | |
US2703841A | Antenna | |
US2478317A | Directional coupler | |
US2516528A | Wave guide coupler | |
US2607849A | Control of polarization in wave guides and wave guide systems |