Average Co-Inventor Count = 2.90
ph-index = 2
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. Dresser-rand Company (3 from 362 patents)
3 patents:
1. 10080986 - Multistage separation system
2. 9909597 - Supersonic compressor with separator
3. 8672644 - Supersonic ejector package