Average Co-Inventor Count = 4.44
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Qingdao Haier Drum Washing Machine Co., Ltd. (1 from 78 patents)
2. Chongqing Haier Roller Washing Machine Co., Ltd (1 from 5 patents)
2 patents:
1. 11390976 - Water drainage valve for dual-drum clothes washing machine, and dual-drum clothes washing machine using water drainage valve
2. 11236452 - Dual-drum washing machine