Average Co-Inventor Count = 3.20
ph-index = 1
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. Libbey Glass Inc. (4 from 100 patents)
4 patents:
1. 6701748 - Glassware machine
2. 6253579 - Valve hamper assembly
3. 6233975 - Common cage assembly
4. 6038889 - Cooling system for a glassware machine