Average Co-Inventor Count = 3.36
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. Knorr Brake Holding Corporation (3 from 22 patents)
2. Carrier Corporation (1 from 3,945 patents)
3. Union Carbide Corporation (1 from 2,921 patents)
4. General Signal Corporation (1 from 786 patents)
5. Knorr Brake Holding Company (1 from 1 patent)
7 patents:
1. D346759 - Display device
2. D327671 - Hand-held master controller for a railroad locomotive
3. D324508 - Locomotive console
4. D323136 - Master controller unit for a locomotive train
5. D321853 - Combined locomotive console and master controller cover
6. D320972 - Master controller cover for a locomotive train
7. D280936 - Lantern