MARIE PIERRE G has a total of 11 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, electrical machinery and energy and measurement are CHANNEL MASTER LTD, CHENGDU SINOSCITE TECH CO LTD and LK PRODUCTS OY.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Electrical machinery and energy | |
#3 | Measurement | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | Waveguides | |
#2 | Antennas | |
#3 | Electric discharge tubes | |
#4 | Radio navigation | |
#5 | Unspecified technologies | |
#6 | Multiplex communication |
# | Name | Total Patents |
---|---|---|
#1 | Marie Pierre G | 11 |
Publication | Filing date | Title |
---|---|---|
US3001193A | Circularly polarized antenna system | |
US2854636A | Resonant directional couplers for millimetric wave lengths | |
US2897457A | Resonant directional coupler with square guide | |
US2939093A | Directional channel separation filters | |
US2864061A | Multichannel filter | |
US2869124A | Lobe-scanning microwave antenna | |
US2999988A | Resonant directional couplers | |
US2665383A | Microwave dispersive mirror | |
US2843800A | Magnetron tube |