Average Co-Inventor Count = 1.93
ph-index = 6
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. Usfilter Corporation (3 from 35 patents)
2. Siemens Water Technologies Holding Corp. (3 from 31 patents)
3. Davis Water and Waste Industries, Inc. (3 from 16 patents)
4. Evoqua Water Technologies Pte. Ltd. (281 patents)
9 patents:
1. 7326340 - System for controlling sulfide generation
2. 7285207 - Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater
3. 7186341 - Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater
4. 7138049 - Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater
5. 7087172 - Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater
6. RE37181 - Process for removal of dissolved hydrogen sulfide and reduction of sewage BOD in sewer or other waste systems
7. D361834 - Air scrubber unit for use in the removal of pollutants from the air
8. D347469 - Air scrubber unit for use in removal of pollutants from the air
9. 4911843 - Process for removal of dissolved hydrogen sulfide and reduction of