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Class Information
Number: 361/91
Name: Electricity: electrical systems and devices >
Description:

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	200
361/139	Control circuits for electromagnetic devices	119
361/211	Control circuits for nonelectromagnetic type relay (e.g., thermal relays)	21
361/212	Discharging or preventing accumulation of electric charge (e.g., static electricity)	564
361/225	Electric charging of objects or materials	465
361/230	Electric charge generating or conducting means (e.g., charging of gases)	364
361/236	Electrical speed signal processing systems	39
361/245	Polarity reversing	35
361/247	Igniting systems	40
361/267	Demagnetizing systems and processes	69
361/268	Transformers and inductors with integral switch, capacitor, or lock (e.g., ignition coil)	9
361/271	Electrostatic capacitors	42
361/437	Miscellaneous	13
361/500	Electrolytic systems or devices	39
361/600	Housing or mounting assemblies with diverse electrical components	360