Average Co-Inventor Count = 5.00
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. Ashland, Inc. (2 from 240 patents)
2. Basf Corporation (1 from 2,033 patents)
3 patents:
1. 5673733 - Engine coolant removal and refill method and device
2. 5649574 - Engine coolant removal and refill method and device
3. 5511590 - Engine coolant removal and refill method and device