Average Co-Inventor Count = 1.55
ph-index = 8
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. The Singer Company (8 from 1,246 patents)
2. Ryobi Motor Products Corp. (2 from 116 patents)
10 patents:
1. 4864683 - Noise isolating motor mounting system for a canister vacuum cleaner
2. 4811452 - Auxiliary attachment adaptor and vacuum cleaner for use therewith
3. 4763382 - Vacuum cleaner hanging arrangement
4. 4757574 - Light plate for vacuum cleaner
5. 4670937 - Filter retention system for vacuum cleaners
6. 4662026 - Convertible vacuum cleaner handle
7. 4516289 - Handle construction for floor care appliance
8. 4514200 - Filter bag for floor care appliance
9. 4512057 - Floor care appliance
10. 4447930 - Power head unit for carpet cleaning