Average Co-Inventor Count = 3.20
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. Oreck Holdings, LLC (1 from 159 patents)
2. Mcculloch Corporation (1 from 66 patents)
2 patents:
1. 6055703 - Upright vacuum cleaner having improved steering apparatus with a lock
2. 5987756 - Head and head assembly for a string trimmer