JR

Jianchang Ren

BC Beijing Orient Vacuum Electric Co.: 5 patents #1 of 4Top 25%
BO BOE: 1 patents #7,844 of 12,373Top 65%
Overall (All Time): #729,868 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10134547 Insulating housing with integrated functions and manufacturing method therefor Tan Zhang 2018-11-20
8319137 Vacuum switch tube 2012-11-27
8269129 Vacuum switch tube 2012-09-18
8269128 Vacuum switch tube 2012-09-18
8178813 Vacuum switch tube 2012-05-15
6891120 Multipolar integrated contact for power switchgear 2005-05-10
6891121 Integrated contact for power switchgear 2005-05-10