Average Co-Inventor Count = 2.00
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. Ksb Aktiengesellschaft (4 from 126 patents)
2. Ksb Asktiengesellschaft (1 from 1 patent)
5 patents:
1. 5322262 - Bearing device for the threaded sleeve of a valve stem
2. 5217205 - Housing seat for a gate valve
3. 5188339 - Sheet metal housing for valves
4. 5178365 - Shut off or control valve
5. 5161780 - Spindle seal for a shutoff valve