Average Co-Inventor Count = 2.00
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. Diesel Engine Retarders, Inc. (1 from 63 patents)
2. Jacobs Brake Technology Corporation (1 from 18 patents)
2 patents:
1. 5479896 - Compression release engine brake slave piston drive train
2. 5365916 - Compression release engine brake slave piston drive train