Average Co-Inventor Count = 1.00
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. Other (1 from 832,812 patents)
2. Schiller-pfeiffer, Inc. (1 from 10 patents)
3. Trans-america Power Equipment, Inc. (1 from 1 patent)
3 patents:
1. 5102056 - Combination leaf and lawn debris comminuting vacuum and wood chipper
2. 4951882 - Combination leaf and lawn debris comminuting vacuum and wood chipper
3. 4091851 - Log splitting apparatus