Average Co-Inventor Count = 2.74
ph-index = 12
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. Ferno-washington, Inc. (13 from 151 patents)
2. Other (1 from 832,891 patents)
14 patents:
1. 8534732 - Combination cot loading and fastening system for loading and unloading a cot
2. 8444195 - Combination cot loading and fastening system
3. 8104121 - Combination ambulance cot and chair
4. 7581265 - Roll-in chair cot with three cot height positions
5. 7302718 - Multiple level roll-in cot
6. 7131151 - Multiple level roll-in cot
7. 6681424 - Tilt-top mortuary cot
8. 6381781 - Combination ambulance cot and chair
9. 5435027 - Roll-in cot with high ground clearance
10. D351018 - Bathtub for invalids
11. 4604022 - Trunk loading device for business machines and the like
12. 4369985 - One man cart for articles
13. 4251178 - Business machine cart with trunk loading attachment
14. 4037871 - Multiple purpose ambulance cot with removable stretcher top