Average Co-Inventor Count = 2.47
ph-index = 4
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. (6 from 21 patents)
2. Cleveland Track Materials, Inc. (1 from 1 patent)
7 patents:
1. 8840035 - Movable bridge joint, associated support and rail bridge panel containing same
2. 8720793 - Movable bridge joint guard arrangement with replaceable guard plate insert
3. 8561916 - Movable bridge joint, associated support and rail bridge panel containing same
4. 8313041 - Rail brace assembly
5. 7641128 - Rail brace assembly
6. 6997419 - Adjustable gage plate assembly
7. 6517008 - Boltless adjustable rail brace assembly with external vertical restraint