Average Co-Inventor Count = 2.40
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. Ap Parts Manufacturing Company (1 from 34 patents)
2. Ap Industries, Inc. (1 from 15 patents)
2 patents:
1. 4835851 - Clamp apparatus for tubular members
2. 4712295 - Clamp apparatus