Average Co-Inventor Count = 2.53
ph-index = 4
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. National Union Electric Corporation (4 from 48 patents)
2. Electrolux Home Care Products, Inc. (1 from 94 patents)
5 patents:
1. 8020251 - Vacuum cleaner with collapsible handle
2. 4748713 - Vacuum cleaner assembly
3. 4701975 - Vacuum cleaner assembly
4. 4648149 - Vacuum cleaner assembly
5. 4621390 - Vacuum cleaner assembly