Average Co-Inventor Count = 4.14
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. Rochester Gauges, Inc. (2 from 71 patents)
2. S. C. Johnson Son, Inc. (1 from 2,353 patents)
3 patents:
1. 6820821 - Automated cleansing sprayer
2. 6089086 - Liquid level gauge
3. 6041650 - Liquid level gauge