Average Co-Inventor Count = 3.27
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. Other (1 from 833,002 patents)
2. Emhart Inc. (1 from 591 patents)
3. Usm Corporation (1 from 532 patents)
3 patents:
1. 6559922 - Method and apparatus for a non-contact scavenging seal
2. 5086551 - Rivet setting tool
3. 4747294 - Fastener presentation device