Average Co-Inventor Count = 2.00
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. Leifheit Ag (3 from 87 patents)
2. Itt Industries, Inc. (1 from 767 patents)
4 patents:
1. D419839 - Corkscrew
2. 5494187 - Breadbox
3. 5375284 - Sweeper with molded sweeping roller having flexible sweeping strips
4. 4489457 - Height adjustment means for a cylindrical brush in a carpet sweeper