Average Co-Inventor Count = 2.57
ph-index = 3
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. Whirlpool Corporation (3 from 5,949 patents)
3 patents:
1. 5836170 - Vacuum release valve tube assembly
2. 5553936 - Shelf ladder for refrigerator or freezer
3. 5272888 - Top mount refrigerator with exterior ice service