Average Co-Inventor Count = 1.85
ph-index = 3
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. Knorr-bremse Gmbh (3 from 95 patents)
2. Brio Toy Ab (3 from 15 patents)
3. Sab Industri Ab (2 from 22 patents)
8 patents:
1. 4493401 - Automatic brake resetting device
2. D276669 - Invertible wheeled stool for a child
3. D275774 - Toy wheelbarrow
4. D275299 - Toy vehicle
5. 4431089 - Automatic slack adjusting device of brake linkage
6. 4402388 - Adjustable broke rigging for rail vehicles
7. 4138002 - Slack adjuster for a rail vehicle brake system
8. 4136760 - Clasp brake rigging for a railway vehicle