Average Co-Inventor Count = 2.82
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. Dynamit Nobel Aktiengesellschaft (3 from 658 patents)
2. Other (1 from 832,961 patents)
3. Huls Troisdorf Aktiengesellschaft (1 from 5 patents)
4 patents:
1. 5258085 - Process for producing a layered material in sheet or membrane form from
2. 4615411 - Sound-insulated flow duct and process for the manufacture thereof
3. 4380486 - Machine installation for the production of thick-walled insulating pipes
4. 4073535 - Automobile roof interior linings and method of installation