Average Co-Inventor Count = 1.20
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. Chartex International Plc (3 from 8 patents)
2. Skandinavisk Miljo System A/s (1 from 1 patent)
4 patents:
1. 5490519 - Tubular protective device for protection against transfer of infectious
2. 5226935 - Air humidification apparatus
3. 5094250 - Tubular protective device for protection against transfer of infectious
4. 4976273 - Tubular protective device for protection against transfer of infectious