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Class Information
Number: 361/331
Name: Electricity: electrical systems and devices >

Sub-classes under this class:

Class Number Class Name Patents
361/ Safety and protection of systems and devices (361/1) 0
361/ Safety and protection of systems and devices (361/1) 0
361/1 Safety and protection of systems and devices 262
361/139 Control circuits for electromagnetic devices 170
361/211 Control circuits for nonelectromagnetic type relay (e.g., thermal relays) 31
361/212 Discharging or preventing accumulation of electric charge (e.g., static electricity) 652
361/225 Electric charging of objects or materials 494
361/230 Electric charge generating or conducting means (e.g., charging of gases) 465
361/236 Electrical speed signal processing systems 50
361/245 Polarity reversing 38
361/247 Igniting systems 63
361/267 Demagnetizing systems and processes 78
361/268 Transformers and inductors with integral switch, capacitor, or lock (e.g., ignition coil) 16
361/271 Electrostatic capacitors 61
361/437 Miscellaneous 20
361/500 Electrolytic systems or devices 46
361/600 Housing or mounting assemblies with diverse electrical components 526

Patents under this class:

Patent Number Title Of Patent Date Issued

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