Average Co-Inventor Count = 2.14
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. Thrall Car Manufacturing Company (8 from 64 patents)
2. Other (1 from 832,718 patents)
3. Trn Business Trust (1 from 81 patents)
10 patents:
1. 6363864 - Lightweight railroad car for carrying steel coils
2. 6244801 - Motor-vehicle carrying railcar with offset H-frame
3. 4949646 - Container carrying railroad car with improved support system
4. 4909157 - Container carrying railroad car with improved support system
5. 4889055 - Railroad car for container transport
6. 4876968 - Container carrying railroad car with improved support system
7. 4862810 - Railroad car for container transport
8. 4841876 - Railroad container transporting car of increased weight carrying capacity
9. 4807722 - Railroad car for container transport
10. 4771706 - Container carrying railroad car with support castings