Average Co-Inventor Count = 1.54
ph-index = 3
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. Haldor Topsoe A/s (3 from 440 patents)
2. Rockwool International A/s (2 from 185 patents)
3. Haldor Topse A/s (141 patents)
5 patents:
1. 8603941 - Method and apparatus for the purification of exhaust gas from a compression ignition engine
2. 7625538 - Diesel particulate filter
3. 5312806 - Mineral fibres
4. 5250476 - Ceramic binder and use thereof
5. 4205992 - Alkali resistant, synthetic, mineral fibres