FH

Frank Weiner Heerdt

AT Asco Power Technologies: 2 patents #16 of 59Top 30%
CL Control Techniques Limited: 1 patents #10 of 34Top 30%
NL Nidec Control Techniques Limited: 1 patents #6 of 19Top 35%
📍 Montgomery, GB: #1 of 6 inventorsTop 20%
Overall (All Time): #1,198,244 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9762141 Drive circuit for electrical load 2017-09-12
9337640 Electrical protection device and method 2016-05-10
8665569 Arc extinguishing switch and switching method thereof Zhixian Wu 2014-03-04
8508890 Arc extinguishing hybrid transfer switch and switching method Dapeng Zheng, Zixia Sang 2013-08-13