Average Co-Inventor Count = 1.15
ph-index = 5
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. Other (3 from 832,680 patents)
2. Kelsey-hayes Company (2 from 577 patents)
5 patents:
1. 4051832 - Solar heating panel
2. 4026269 - Solar heating systems
3. 4018024 - Louvered windows comprising insulating pairs of superimposed panes
4. 3980343 - Load responsive proportioning valve
5. 3937523 - Proportioning brake control device with bypass