Average Co-Inventor Count = 1.33
ph-index = 2
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. Hoover Materials Handling Group, Inc. (2 from 15 patents)
2 patents:
1. 6318577 - Threaded drum
2. 6126033 - Plastic foot ring drum