Average Co-Inventor Count = 4.00
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. General Electric Company (1 from 51,920 patents)
2. Delaware Capital Formation, Inc. (1 from 655 patents)
2 patents:
1. 6729797 - Testable sump apparatus
2. 5313780 - Free-riding oil tube damper