Average Co-Inventor Count = 3.00
ph-index = 2
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. Ttx Company (4 from 42 patents)
2. Trailer Train Company (1 from 13 patents)
5 patents:
1. 8820613 - Method of reattaching an end assembly to a well car
2. 8333001 - Method of shortening a well car
3. 8186279 - Removable bulkhead for a railcar
4. 6904698 - Apparatus for measuring piston travel
5. 4929132 - Articulated platform car for three or four trailers