JF

Jifeng Feng

NC Nanjing Chervon Industry Co.: 9 patents #14 of 296Top 5%
CL Chervon (Hk) Limited: 2 patents #38 of 115Top 35%
GE: 1 patents #19,878 of 36,430Top 55%
Overall (All Time): #395,234 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12316261 Power tool and control method therefor Xiancheng Fan, Zengbing Guo 2025-05-27
12255499 Power tool and electronic control device Huaishu Wang, Baoshan Li, Junya Duan, Yanfeng Fan, Yuemei Min +2 more 2025-03-18
11942888 Power tool Chao Xian 2024-03-26
11791750 Power tool using brushless motor and method for controlling the same Zhen Xu, Junya Duan 2023-10-17
11705831 Electric tool and method for controlling startup thereof Jian Zhang 2023-07-18
11622500 Power tool and control method for the same Chao Xian 2023-04-11
11440212 Power tool Dezhong Yang, Li Pan 2022-09-13
11064662 Blower Dezhong Yang, Jianpeng Guo 2021-07-20
10964990 Battery pack and electrical combination Dezhong Yang 2021-03-30
10476067 Battery pack and electrical combination Dezhong Yang 2019-11-12
10277093 Power tool and circuit board Dezhong Yang, Pingbo Shi 2019-04-30
9368295 Electrical transfer switch system Liqiang WANG 2016-06-14