Average Co-Inventor Count = 1.17
ph-index = 12
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. Pullman Incorporated (17 from 228 patents)
2. Pullman Rail Leasing Inc. (4 from 7 patents)
3. Other (3 from 832,761 patents)
4. Pullman Standard Inc. (3 from 22 patents)
5. Pullman Leasing Company (2 from 3 patents)
6. Itel Rail Corporation (1 from 1 patent)
30 patents:
1. 6978491 - Inflatable urinal for attachment to a toilet
2. 5181474 - Wood chip railway car constructed by converting a standard box car and
3. 5060579 - Sliding hopper outlet gate with plastic upper surface for smooth sliding
4. 4948185 - Hatch cover assembly
5. 4941695 - Hatch cover assembly
6. 4696088 - Method of converting a hopper type of rail car to accept a wider output
7. 4696237 - Multiple hopper rail car with offset vertical weld from conversion
8. 4695207 - Pneumatic gate operator and outlet cap
9. 4690070 - Hatch cover structure
10. 4655365 - Hatch cover lock
11. 4622902 - Hatch cover and locking structure
12. 4589346 - Axle stop arrangement for single axle wheel truck for a skeleton type
13. 4570807 - Railway car underframe
14. 4555033 - Slackless non-cushioned drawbar arrangement for railway car underframe
15. 4359003 - Railway car center filler