Average Co-Inventor Count = 1.20
ph-index = 6
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. Simmons Company (5 from 38 patents)
2. Simmons U.s.a. Corporation (3 from 24 patents)
3. Other (1 from 832,912 patents)
9 patents:
1. 5621935 - Method and apparatus for providing improved pocketed innerspring
2. 5613287 - Method for forming strings of pocketed springs
3. 5572853 - Method and apparatus for conditioning pocketed coil springs
4. 5553443 - Method for creating strings of pocketed coil springs
5. 5444905 - Apparatus for manufacturing mattresses and box springs
6. 4803742 - Convertible bed
7. 4490090 - Apparatus for transporting frames
8. 4406391 - System for accumulating and handling strips of pocketed springs
9. 4393792 - Apparatus for mattress manufacture