• All sections
• H - Electricity
• H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
• H01R 4/20 - Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one anotherMeans for effecting or maintaining such contactElectrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve

Patent holdings for IPC class H01R 4/20

Total number of patents in this class: 514

10-year publication summary

Principal owners for this class