DR

Dong Ruan

The Procter & Gamble: 2 patents #244 of 1,081Top 25%
DC Daye Special Steel Co.: 1 patents #1 of 11Top 10%
Overall (2024): #88,369 of 561,600Top 20%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12053788 Pump dispenser system Wenhao Zhu, Jinlan Chang, Lei Tian, Ming Qi 2024-08-06
12024754 Method for manufacturing a low-carbon nitrogen-containing austenitic stainless steel bar Xiaoliang Dong, Xiuli Zhang, Lixin Zhou, Yinghua Lei, Xianhua Wang +5 more 2024-07-02
D1024771 Cap for oral care products Qiao Li, Lei Tian, Ming Qi, Ricardo Leal Macias 2024-04-30