Average Co-Inventor Count = 2.77
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. Philip Morris Inc. (2 from 759 patents)
2. Robertshaw Controls Company (1 from 877 patents)
3 patents:
1. 5360516 - Application of fluidized material to a substrate using intermittent
2. 5127511 - Methods and apparatus for feeding and assembling cylindrical articles
3. 4969628 - Valve construction and method of making the same