QC

Qi'an CHEN

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,852,536 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11408363 Control method, device and storage medium for engine operation Beiwu JIN 2022-08-09
11193451 Gas idling transition passage structure for oil and gas dual-purpose carburetor Xingyao Zhang 2021-12-07