Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CZ

Chun Kai Zheng

ZCZhejiang Kedu Electric Mfg. Co.: 2 patents #1 of 1Top 100%
Yueqing, CN: #1 of 4 inventorsTop 25%
Overall (2011): #106,837 of 364,097Top 30%
2 Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8022299 Rotatory emergency stop cover with plug-in unit 2011-09-20
8013246 Push-in emergency stop cover with plug-in unit 2011-09-06