Average Co-Inventor Count = 1.80
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. Pennsy Corporation (3 from 46 patents)
2. Transit America, Inc. (2 from 5 patents)
3. Other (1 from 832,761 patents)
6 patents:
1. 6095350 - Non-metallic wear plate for railroad car couplers and method of use
2. 5878548 - Corner protector for protecting the top corners of stacks of lumber
3. 5575222 - Telescoping bridge plate for autorack railroad cars
4. 5311824 - Hatch cover hinge and lock assembly having safety interlock for hinge
5. 5201890 - Railroad car handbrake release system
6. 4223416 - Boot support