Average Co-Inventor Count = 1.11
ph-index = 4
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. Other (4 from 832,912 patents)
2. Ecton Inc. (1 from 14 patents)
5 patents:
1. 4449899 - Rotary vane machine
2. 4212603 - Rotary vane machine with cam follower retaining means
3. 4187693 - Closed chamber rotary vane gas cycle cooling system
4. 4184821 - High velocity rotary vane cooling system
5. 4133618 - Rotary cam-actuated vane machine