Average Co-Inventor Count = 1.82
ph-index = 8
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. Cleveland Track Material, Inc. (20 from 21 patents)
2. Abc Rail Corporation (7 from 10 patents)
3. Other (3 from 832,718 patents)
4. Abc Rail Products Corporation (3 from 15 patents)
5. Koppers Delaware, Inc. (2 from 17 patents)
6. Cleveland Track Materials, Inc. (1 from 1 patent)
36 patents:
1. 10233594 - Switch point guard casting, associated support and full gage switch panel containing same
2. 9206556 - Elevated frog and rail crossing track assembly
3. 8870129 - Flange bearing frog crossing
4. 8870128 - Flange bearing frog crossing
5. 8840035 - Movable bridge joint, associated support and rail bridge panel containing same
6. 8777121 - Lap joint
7. D707157 - Switch point guard casting
8. 8720793 - Movable bridge joint guard arrangement with replaceable guard plate insert
9. 8561916 - Movable bridge joint, associated support and rail bridge panel containing same
10. 8556217 - Elevated frog and rail crossing track assembly
11. D686947 - Switch point guard casting and support structure
12. D686948 - Switch point guard casting and support structure
13. D681510 - Rail billet casting
14. D681509 - Rail billet casting with web taper
15. 8424812 - Elevated frog and rail track assembly