Average Co-Inventor Count = 1.76
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. Whirlpool Corporation (3 from 5,949 patents)
2. Matsushita Floor Care Company (1 from 3 patents)
3. Matsushita Applicane Corporation (1 from 1 patent)
5 patents:
1. 5467502 - Height adjusting system for upright vacuum cleaner
2. 5331715 - Two motor upright vacuum cleaner
3. 4279198 - Refuse compactor slide bearing
4. 4068575 - Refuse compactor with selective spray device
5. 3962746 - Self-propelled vacuum cleaner