DK

Douglas G. Kelley

NC Nalco Chemical: 4 patents #125 of 631Top 20%
NC Nalco Company: 1 patents #207 of 361Top 60%
📍 Wenatchee, WA: #44 of 245 inventorsTop 20%
🗺 Washington: #11,603 of 76,902 inventorsTop 20%
Overall (All Time): #539,302 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12365614 Method for wastewater treatment 2025-07-22
11377380 Method for wastewater treatment 2022-07-05
8668779 Method of simultaneously cleaning and disinfecting industrial water systems Andrew J. Cooper, Jasbir S. Gill, Amit Gupta, Robert F. Kelly, Eric R. Myers 2014-03-11
8062872 Methods and compositions for optimizing fermentation Richard Handley 2011-11-22
7931822 Compositions and methods for wastewater treatment Richard Handley 2011-04-26
6461518 Method for inhibiting the formation and deposition of silica scale in water systems Konstantinos Demadis, David P. Workman, Mingli Wei 2002-10-08
6153106 Method for inhibiting the formation and deposition of silica scale in water systems Kevin Moeggenborg, David P. Workman 2000-11-28
5384050 Hydrazones as oxygen scavengers in boiler water systems Deborah M. Rogers 1995-01-24
5258125 Carbohydrazones as boiler water oxygen scavengers Deborah M. Rogers, Frederick J. Swiecinski 1993-11-02