Average Co-Inventor Count = 3.00
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. Controls International, Inc. (2 from 2 patents)
2. Other (1 from 832,843 patents)
3. Rotork Plc (1 from 5 patents)
4 patents:
1. 11365824 - Adjustable fail-safe rotary spring operator with a retaining band
2. 10228073 - Adjustable fail-safe rotary spring operator with a retaining band
3. 10145489 - Adjustable fail-safe rotary spring operator with a retaining band
4. 9151351 - Adjustable fail-safe rotary spring operator with a retaining band