Average Co-Inventor Count = 2.00
ph-index = 4
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. New England Power Service Company (4 from 10 patents)
2. Northeast Utilities Service Company (3 from 8 patents)
3. Northern Utilities Service Company (1 from 1 patent)
4 patents:
1. 4473535 - Process for reducing nitric oxides
2. 4246234 - Method and apparatus for reducing nitric oxide
3. 4089930 - Process for the catalytic reduction of nitric oxide
4. 4080426 - Reduction of nitric oxide using catalysts pretreated with selenium