Average Co-Inventor Count = 1.64
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. American Standard Inc. (1 from 1,121 patents)
2. Pullman Incorporated (1 from 228 patents)
3. Dayton-walther Corporation (1 from 32 patents)
3 patents:
1. 4986149 - System for final balancing of cast metal brake drums
2. 4137643 - Gauging assembly
3. 4027743 - Axle end oil fill and leakage detector method of charging lubricant