Average Co-Inventor Count = 3.57
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. Westinghouse Air Brake Company (3 from 582 patents)
2. Hubbell Limited (1 from 2,434 patents)
3. Alcoa Fujikura Limited (1 from 58 patents)
5 patents:
1. 8079728 - Indicator test switch for downlight lighting device and bracket therefor
2. 6845206 - Interbay housing assembly for fiber optic management systems
3. 5961698 - Twin tower air dryer
4. 5503280 - Timed thrust uncoupling mechanism for passenger transit type railway cars
5. 5449295 - Automatic electric coupling mechanism for a passenger transit type