摘要
塑料外壳式断路器已经进入技术成熟期,单一的基础技术或核心技术已经发展成熟,新的基础专利或核心专利较难产生,出现了一些专利申请趋势。本文还对实用新型专利和发明专利的相关数据进行了统计和分析。
Molded case circuit breaker(MCCB)has entered the mature stage of technology,single basic technology or core technology has developed mature,new basic patent or core patent is difficult to produce,so there are some patent application trends.This paper also makes statistics and analysis on the relevant data of utility model patents and invention patents.
作者
全嘉青
QUAN Jiaqing(Shanghai Liangxin Electrical Co.,Ltd.,Shanghai 201315)
出处
《中国发明与专利》
2020年第12期62-69,共8页
China Invention & Patent