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. Caterpillar Inc. (1 from 9,483 patents)
2. Solar Turbines Inc. (1 from 420 patents)
2 patents:
1. 9200538 - Inspection hole plug with a ball swivel
2. 8197187 - Inspection hole plug with a ball swivel