Average Co-Inventor Count = 3.33
ph-index = 5
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. Century International Corporation (5 from 11 patents)
5 patents:
1. 5063633 - Fluid handling apparatus for bowling lane cleaning device
2. 4962565 - Automatic vacuum bowling lane stripper
3. 4959884 - Combination bowling lane stripper and dressing apparatus
4. 4920604 - Automatic vacuum bowling lane stripper
5. 4757831 - Golf club cleaning machine