Average Co-Inventor Count = 1.20
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 (6 from 832,761 patents)
2. Ethyl Corporation (2 from 1,362 patents)
8 patents:
1. 7021862 - Method for remediation of contaminated ground at oil or gas facility
2. 6749526 - Golf greens speed and contour teaching device
3. 6749527 - Portable golf greens speed meter
4. 6589248 - Patellar alignment device
5. 5573696 - Oil-soluble phosphorus- and nitrogen-containing additives
6. 5500140 - Oil-soluble phosphorus- and nitrogen-containing additives
7. 4109658 - Needle holding device with pick-up means
8. 3984779 - Remote control apparatus for channel selector