Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 324/158D
Name: Electricity: measuring and testing >

Sub-classes under this class:

Class Number Class Name Patents
324/158.1 Miscellaneous 3,073
324/160 Electrical speed measuring 273
324/200 Magnetic 110
324/300 Particle precession resonance 658
324/323 Of geophysical surface or subsurface in situ 198
324/376 Of subsurface core sample 60
324/378 Internal-combustion engine ignition system or device 114
324/403 Electric lamp or discharge device 42
324/415 Electromechanical switching device 153
324/425 Electrolyte properties 247
324/451 A material property using thermoelectric phenomenon 31
324/452 A material property using electrostatic phenomenon 159
324/457 Electrostatic field 319
324/459 Using ionization effects 113
324/500 Fault detecting in electric circuits and of electric components 424
324/557 For insulation fault of noncircuit elements 179
324/600 Impedance, admittance or other quantities representative of electrical stimulus/response relationships 181
324/66 Conductor identification or location (e.g., phase identification) 305
324/71.1 Determining nonelectric properties by measuring electric properties 692
324/72 Testing potential in specific environment (e.g., lightning stroke) 456
324/73.1 Plural, automatically sequential tests 1,078
324/74 Testing and calibrating electric meters (e.g., watt-hour meters) 205
324/76.11 Measuring, testing, or sensing electricity, per se 578
324/800 Divining rods 1

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Intake parameter-calculating device for internal combustion engine and method of calculating intake parameter
Baseball themed hand clap maraca
Dithering method and apparatus
Virtual links in a routed ethernet mesh network
Nucleic acid-based tests for prenatal gender determination
System and method for controlling device location determination
  Randomly Featured Patents
Magnetic recording/reproducing apparatus and method for supplying a current to a magnetic head to stabilize a magnetized state of a magnet pole
Application of refractory borides to protect carbon-containing components of aluminium production cells
Flash smelting of iron with production of hydrogen of hydrogenation quality
Controlling system for parallel operation of AC output inverters with restrained cross currents
Reconfigurable toy vehicle
Pagewidth printhead thermal assembly for supporting printhead modules
Voting circuit
Golf driver head
Microcomputer control of stepper motor using reduced number of parts
Benzoylaminomethylpyrazoles and furans, composition containing them, and fungicidal method of using them