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Class Information
Number: 324/67
Name: Electricity: measuring and testing > Conductor identification or location (e.g., phase identification) > Inaccessible (at test point) conductor (e.g., buried in wall)
Description: Subject matter for determining the location of a conductor at a point which is inaccessible.

Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8680864 Flux plane locating in an underground drilling system Mar. 25, 2014
8674678 Device, system and method for locating a pipe Mar. 18, 2014
8674700 Locating arrangement and method using boring tool and cable locating signals Mar. 18, 2014
8676522 Detector for detecting a current carrying conductor Mar. 18, 2014
8669772 Obscured feature detector housing Mar. 11, 2014
8659298 Advanced steering tool system, method and apparatus Feb. 25, 2014
8638085 Apparatus and methods for mapping a wired network Jan. 28, 2014
8638086 Method allowing the detection and display of objects located behind an obscuring surface Jan. 28, 2014
8624577 Identifying a cable path using light emitting diodes Jan. 7, 2014
8618811 ARC fault circuit interrupter tester with current responsive pulse timing Dec. 31, 2013
8612148 Marking apparatus configured to detect out-of-tolerance conditions in connection with underground facility marking operations, and associated methods and systems Dec. 17, 2013
8604771 Hand tool having a pivot grip for sensing a measurement behind a target surface Dec. 10, 2013
8599029 Electrical circuit identification means Dec. 3, 2013
8593163 Surface-conforming obscured feature detector Nov. 26, 2013
8581724 Dynamic information projection for a wall sensor Nov. 12, 2013
8570024 Non-contact phase identification method and apparatus Oct. 29, 2013
8566043 Detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor Oct. 22, 2013
8555482 Process of assembling a probe Oct. 15, 2013
8560263 Power distribution network estimation device Oct. 15, 2013
8552709 Systems and methods for locating a circuit Oct. 8, 2013
8549084 Methods, apparatus, and systems for exchanging information between excavators and other entities associated with underground facility locate and marking operations Oct. 1, 2013
8517642 Tool mounted stud finder Aug. 27, 2013
8515690 Enhanced precise location Aug. 20, 2013
8515689 Enhanced precise location Aug. 20, 2013
8504604 Multimeter with filtered measurement mode Aug. 6, 2013
8484300 Methods, apparatus and systems for communicating information relating to the performance of underground facility locate and marking operations to excavators and other entities Jul. 9, 2013
8442766 Marking apparatus having enhanced features for underground facility marking operations, and associated methods and systems May. 14, 2013
8436741 Locating device May. 7, 2013
8427173 Open fuse detection by neutral point shift Apr. 23, 2013
8400156 Installation of service tee marker fixture having disk marker and concentric attachment sleeve Mar. 19, 2013
8363210 Three dimensional feature location from an excavator Jan. 29, 2013
8358120 Non-intrusive detection of live electrical lines Jan. 22, 2013
8339272 Circuit breaker locator Dec. 25, 2012
8339275 AC voltage phase discriminator for circuit breaker locators Dec. 25, 2012
8310236 Continuous wave metal detector Nov. 13, 2012
8283911 Long range phasing voltmeter Oct. 9, 2012
8269479 Mechanical support device and a measuring device with a mechanical support device Sep. 18, 2012
8264226 System and method for locating buried pipes and cables with a man portable locator and a transmitter in a mesh network Sep. 11, 2012
8248056 Buried object locator system employing automated virtual depth event detection and signaling Aug. 21, 2012
8234791 Structural stud finder device and method Aug. 7, 2012
8209136 Enhanced precise location Jun. 26, 2012
8203343 Reconfigurable portable locator employing multiple sensor array having flexible nested orthogonal antennas Jun. 19, 2012
8183851 Detector for calculating a depth of a buried conductor May. 22, 2012
8125210 Detector for calculating the depth of a buried conductor Feb. 28, 2012
8120354 Self-calibrating magnetic field monitor Feb. 21, 2012
8111169 Locating device Feb. 7, 2012
8106660 Sonde array for use with buried line locators Jan. 31, 2012
8085032 Multi-scanner device having a detachable outlet tester Dec. 27, 2011
8080998 Distinguishing false signals in cable locating using a reference signal Dec. 20, 2011
8058875 Detection of ground-laid wire using ultraviolet C-band radiation Nov. 15, 2011

1 2 3 4 5 6 7 8

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