Average Co-Inventor Count = 1.25
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. Hein-werner Corporation (5 from 51 patents)
5 patents:
1. 5189898 - Heavy duty auxiliary tower for a repair rack
2. 5001798 - Drive-on vehicle supporting arrangement
3. 4920597 - Drive-on vehicle supporting arrangement
4. 4691443 - Drive-in, drive-out vehicle alignment system
5. 4663855 - Drive-in, drive-out vehicle alignment system