Average Co-Inventor Count = 1.50
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. Kontes Glass Company (1 from 9 patents)
2. Sp Industries Limited Partnership (1 from 5 patents)
3. Sp Industries Ltd. Partnership (1 from 3 patents)
3 patents:
1. 5447079 - Water impurity extraction device and method
2. 5375477 - Water impurity extraction device and method
3. D303710 - Connector for joining laboratory glassware