Average Co-Inventor Count = 3.43
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. Enterprise Managed Services Limited (1 from 1 patent)
2. Fulmer Limited (1 from 1 patent)
3. Sperry Rail, Inc. (7 patents)
2 patents:
1. 7707704 - Sealing methods
2. 4870970 - Ultrasonic investigation apparatus