Average Co-Inventor Count = 1.56
ph-index = 2
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. Kvaerner Pulping Ab (3 from 109 patents)
2. Kvaerner Pulping Technologies Ab (2 from 25 patents)
5 patents:
1. 616240 - Process for purifying ash which principally consists of sodium sulphate
2. 6162408 - Process for purifying ash which principally consists of sodium sulphate
3. 5993601 - Process for producing polysulphide by means of oxidizing sulphide in
4. 5972228 - Filters employing 'filling bodies' to reduce the amount of backwashing
5. 5644996 - Method and arrangement for reburning lime sludge in a fluidizing bed