Average Co-Inventor Count = 2.40
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. The United States of America As Represented by the United States (2 from 3,975 patents)
2. Other (1 from 832,680 patents)
3 patents:
1. 5372391 - Internal pipe attachment mechanism
2. 5191940 - Oil/gas separator for installation at burning wells
3. 4078532 - Fuel economizer