Xiangtan
China
6
2025-02-27
The entities that hold a legal rights for patent applications filed by inventor CHENG Hui:
Hui CHENG from Xiangtan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
TRANSMISSION DEVICE AND METHOD FOR MULTI-FREQUENCY EQUAL-AMPLITUDE NON-HARMONIC ELECTRICAL PROSPECTING SIGNAL
#2 | 2025-02-20METHOD FOR MEASURING SPECTRUM PARAMETERS OF FORMATION OUTCROP AND ROCK MASS
#3 | 2024-03-28DETECTION DEVICE FOR HIGH-FREQUENCY PSEUDO-RANDOM (PN) SPREAD SPECTRUM (SS) CODED SEQUENCE SIGNAL OF SHALLOW GEOLOGIC BODY AND METHOD USING THE SAME
#4 | 2022-07-28HIGH-DENSITY INTEGRATED MAGNETIC RECEIVING ANTENNA FOR ELECTROMAGNETIC EXPLORATION
#5 | 2022-07-14Device and method for reducing turn-off time of transient electromagnetic transmitting signal
#6 | 2022-06-16Electrical prospecting signal transmission device capable of suppressing electromagnetic coupling interference and electrical prospecting signal transmission method using same
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