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Robert K. Johnson
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Denver, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Alkaline electrochemical cells comprising increased zinc oxide levels
Patent number
12,126,014
Issue date
Oct 22, 2024
ENERGIZER BRANDS, LLC
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alkaline electrochemical cells comprising increased zinc oxide levels
Patent number
11,450,847
Issue date
Sep 20, 2022
ENERGIZER BRANDS, LLC
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Alkaline electrochemical cell
Patent number
8,318,350
Issue date
Nov 27, 2012
Eveready Battery Company, Inc.
Robert P. Johnson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkaline electrochemical cell
Patent number
8,133,615
Issue date
Mar 13, 2012
Eveready Battery Company, Inc.
Robert P. Johnson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Alkaline electrochemical cell capable of providing optimum discharg...
Patent number
7,740,979
Issue date
Jun 22, 2010
Eveready Battery Company, Inc.
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Recovery of silver from cuprous chloride solutions by co-crystalliz...
Patent number
4,101,315
Issue date
Jul 18, 1978
Cyprus Metallurgical Processes Corporation
Mark A. Peters
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of copper from chalcopyrite utilizing copper sulfate leach
Patent number
3,957,602
Issue date
May 18, 1976
Cyprus Metallurgical Processes Corporation
Robert K. Johnson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
ALKALINE ELECTROCHEMICAL CELLS COMPRISING INCREASED ZINC OXIDE LEVELS
Publication number
20250112226
Publication date
Apr 3, 2025
ENERGIZER BRANDS, LLC
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROCHEMICAL CELL WITH INCREASED RUNTIME AND REDUCED INTERNAL SH...
Publication number
20230163321
Publication date
May 25, 2023
ENERGIZER BRANDS, LLC
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ALKALINE ELECTROCHEMICAL CELLS COMPRISING INCREASED ZINC OXIDE LEVELS
Publication number
20230107037
Publication date
Apr 6, 2023
ENERGIZER BRANDS, LLC
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ALKALINE ELECTROCHEMICAL CELLS COMPRISING INCREASED ZINC OXIDE LEVELS
Publication number
20200235382
Publication date
Jul 23, 2020
ENERGIZER BRANDS, LLC
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ALKALINE BATTERY
Publication number
20170271679
Publication date
Sep 21, 2017
ENERGIZER BRANDS, LLC
Daniel Fan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Alkaline Electrochemical Cell
Publication number
20120129044
Publication date
May 24, 2012
Eveready Battery Company, Inc.
Robert P. Johnson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Alkaline electrochemical cell
Publication number
20070292762
Publication date
Dec 20, 2007
Eveready Battery Company, Inc.
Robert P. Johnson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Alkaline electrochemical cell
Publication number
20060068288
Publication date
Mar 30, 2006
Robert P. Johnson
H01 - BASIC ELECTRIC ELEMENTS