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2021
|
Invention
|
Self-calibration system and procedure for autonomous loop and ground impedance measuring devices.... |
|
2020
|
Invention
|
System and method for detecting faults in medium voltage circuits. Fault detection system (800) f... |
|
|
Invention
|
Measuring the impedance in grounding systems.
Procedure for measuring the impedance of a groundi... |
|
|
Invention
|
Measuring the impedance in grounding systems. fi Fsignal fmcarrierfimodulated fmfisignalcarrier(1). |
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2015
|
P/S
|
Electrical and electronic apparatus, instruments and devices
for measuring, signage, control (in... |
|
|
P/S
|
Surge protective devices; Devices for protection against lightning; Lightning conductors; Surge a... |
|
2014
|
Invention
|
Testing method and apparatus for a lightning arrester. The invention relates to a test device for... |
|
2013
|
Invention
|
Ignition device for exothermic welding, mold for exothermic welding for the ignition device, and ... |
|
2012
|
P/S
|
Materials for exothermic soldering, starting powders for exothermic reactions, exothermic reactio... |
|
|
P/S
|
Electric and electronic measuring, signalling, checking (supervision) and life-saving apparatus, ... |
|
2005
|
Invention
|
Device and system for the measurement of an external electrostatic field, and system and method f... |
|
|
Invention
|
Device and system for measuring an external electrostatic field, and system and method for detect... |
|
1999
|
P/S
|
Lightning conductors. |
