DJ

Donald A. Johnson

NC Nalco Chemical: 25 patents #4 of 631Top 1%
EU Ecolab Usa: 4 patents #384 of 1,442Top 30%
NC Nalco Company: 3 patents #89 of 361Top 25%
AP Algos Pharmaceutical: 2 patents #3 of 5Top 60%
HP HP: 1 patents #3,612 of 7,018Top 55%
ON Ondeo Nalco: 1 patents #24 of 88Top 30%
SC Schering: 1 patents #1,469 of 2,442Top 65%
TC The Coca-Cola: 1 patents #680 of 1,471Top 50%
🗺 Illinois: #1,127 of 84,256 inventorsTop 2%
Overall (All Time): #72,981 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
4992380 Continuous on-stream monitoring of cooling tower water Barbara E. Moriarty, James J. Hickey, Wayne H. Hoy, John E. Hoots 1991-02-12
4973428 Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom John E. Hoots, Dodd W. Fong, Guy A. Crucil 1990-11-27
4966711 Transition metals as treatment chemical tracers John E. Hoots, Rodney H. Banks 1990-10-30
4929425 Cooling water corrosion inhibition method John E. Hoots, Dodd W. Fong, James F. Kneller 1990-05-29
4923634 Cooling water corrosion inhibition method John E. Hoots, Dodd W. Fong, James F. Kneller 1990-05-08
4919821 Modified maleic anhydride polymers and the like for use as scale inhibitors Dodd W. Fong, John E. Hoots, James F. Kneller 1990-04-24
4904413 Cooling water corrosion control method and composition John E. Hoots 1990-02-27
4898686 Zinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefrom John E. Hoots, Dodd W. Fong, Guy A. Crucil 1990-02-06
4801388 Modified acrylamide polymers used as scale inhibitors Dodd W. Fong, John E. Hoots 1989-01-31
4800492 Data logger for a post-mix beverage dispensing system Dave Conklin 1989-01-24
4756881 Composition of corrosion inhibitors for cooling water systems using chemically modified acrylamide or methacrylamide polymers John E. Hoots, Dodd W. Fong 1988-07-12
4752443 Cooling water corrosion inhibition method John E. Hoots, Dodd W. Fong, James F. Kneller 1988-06-21
4728436 Anionic polymers containing 3-acrylamido-3-methylbutanoic acid as scale inhibitors for preventing or reducing calcium phosphate and other scales James F. Kneller 1988-03-01
4711724 Method for prevention of phosphonate decomposition by chlorine 1987-12-08
4642194 Method for prevention of phosphonate decomposition by chlorine 1987-02-10
4434059 Polymers for prevention of fouling by iron oxides in cooling systems Baker N. Nimry 1984-02-28
4292293 Method for the oxidation of water-soluble sulfide compounds to higher oxidation states Baker N. Nimry 1981-09-29