Patents by Inventor Timothy W. Ellis

Timothy W. Ellis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lead-based alloy and related processes and products
    Patent number: 11962008
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: April 16, 2024
    Assignee: RSR TECHNOLOGIES, INC.
    Inventors: R. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
  • Magnetic separation of electrochemical cell materials
    Patent number: 11919010
    Abstract: A process. The process includes forming a slurry comprising electrode active material particles of one or more lithium-ion electrochemical cells, magnetizing the electrode active material particles and separating the magnetized electrode active material particles from the slurry.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: March 5, 2024
    Assignee: RSR TECHNOLOGIES, INC.
    Inventors: Timothy W. Ellis, Joshua A. Montenegro
  • LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS
    Publication number: 20230106259
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 6, 2023
    Inventors: R. David PRENGAMAN, Timothy W. ELLIS, Matthew T. RAIFORD
  • Lead-based alloy and related processes and products
    Patent number: 11522190
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: December 6, 2022
    Assignee: RSR Technologies, Inc.
    Inventors: R. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
  • MAGNETIC SEPARATION OF ELECTROCHEMICAL CELL MATERIALS
    Publication number: 20210370314
    Abstract: A process. The process includes forming a slurry comprising electrode active material particles of one or more lithium-ion electrochemical cells, magnetizing the electrode active material particles and separating the magnetized electrode active material particles from the slurry.
    Type: Application
    Filed: August 3, 2021
    Publication date: December 2, 2021
    Inventors: Timothy W. Ellis, Joshua A. Montenegro
  • Magnetic separation of electrochemical cell materials
    Patent number: 11103880
    Abstract: A process. The process includes forming a slurry comprising electrode active material particles of one or more lithium-ion electrochemical cells, magnetizing the electrode active material particles and separating the magnetized electrode active material particles from the slurry.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: August 31, 2021
    Assignee: RSR TECHNOLOGIES, INC.
    Inventors: Timothy W. Ellis, Joshua A. Montenegro
  • LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS
    Publication number: 20210226212
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Application
    Filed: March 8, 2021
    Publication date: July 22, 2021
    Inventors: R. David PRENGAMAN, Timothy W. ELLIS, Matthew T. RAIFORD
  • Lead-based alloy and related processes and products
    Patent number: 10950859
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: March 16, 2021
    Assignee: RSR Technologies, Inc.
    Inventors: R. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
  • Corrosion resistant positive grid for lead-acid batteries
    Patent number: 10637044
    Abstract: A process of preparing a continuous cast lead-based alloy strip for use in the manufacture of a battery grid of a lead-acid battery, the process comprising mechanically deforming, at a deformation temperature in a range of about 15 to about 150° C., a continuous cast lead-based alloy strip having a thickness of tcast that is in a range that is from about 0.6 to about 2 mm to reduce the thickness of the strip to a thickness of treduced that is in a range that is from about 0.4 to about 1.5 mm such that the reduction in thickness is in a range of about 10 to about 50%, wherein the lead-based alloy comprises lead and silver and is essentially free of calcium, and wherein the silver is at a concentration that is in a range of about 0.003 to about 0.015 weight percent.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: April 28, 2020
    Assignees: NORTHSTAR BATTERY COMPANY, LLC, RSR TECHNOLOGIES INC.
    Inventors: Frank A. Fleming, Timothy W. Ellis, David R. Prengaman
  • LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS
    Publication number: 20200091516
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Application
    Filed: November 20, 2019
    Publication date: March 19, 2020
    Inventors: R. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
  • Recycling electrochemical cells and batteries
    Patent number: 10522883
    Abstract: Methods for separating and recycling battery and electrochemical cell materials are disclosed.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: December 31, 2019
    Assignee: RSR TECHNOLOGIES, INC.
    Inventor: Timothy W. Ellis
  • Lead-based alloy and related processes and products
    Patent number: 10511022
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: December 17, 2019
    Assignee: RSR TECHNOLOGIES, INC.
    Inventors: R. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
  • MAGNETIC SEPARATION OF ELECTROCHEMICAL CELL MATERIALS
    Publication number: 20190039075
    Abstract: A process. The process includes forming a slurry comprising electrode active material particles of one or more lithium-ion electrochemical cells, magnetizing the electrode active material particles and separating the magnetized electrode active material particles from the slurry.
    Type: Application
    Filed: August 13, 2018
    Publication date: February 7, 2019
    Inventors: Timothy W. Ellis, Joshua A. Montenegro
  • Corrosion Resistant Positive Grid for Lead-Acid Batteries
    Publication number: 20180248171
    Abstract: A process of preparing a continuous cast lead-based alloy strip for use in the manufacture of a battery grid of a lead-acid battery, the process comprising mechanically deforming, at a deformation temperature in a range of about 15 to about 150° C., a continuous cast lead-based alloy strip having a thickness of tcast that is in a range that is from about 0.6 to about 2 mm to reduce the thickness of the strip to a thickness of treduced that is in a range that is from about 0.4 to about 1.5 mm such that the reduction in thickness is in a range of about 10 to about 50%, wherein the lead-based alloy comprises lead and silver and is essentially free of calcium, and wherein the silver is at a concentration that is in a range of about 0.003 to about 0.015 weight percent.
    Type: Application
    Filed: May 1, 2018
    Publication date: August 30, 2018
    Inventors: Frank A. Fleming, Timothy W. Ellis, David R. Prengaman
  • Magnetic separation of electrochemical cell materials
    Patent number: 10046334
    Abstract: A process and system for the separation of materials from electrochemical cells is disclosed. Electrode materials are removed from electrochemical cells and separated into constituent active materials using magnetic separation.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: August 14, 2018
    Assignee: RSR TECHNOLOGIES, INC.
    Inventors: Timothy W. Ellis, Joshua A. Montenegro
  • Corrosion resistant positive grid for lead-acid batteries
    Patent number: 9985276
    Abstract: A battery grid comprising a continuous cast and mechanically deformed lead-based alloy that comprises lead and silver and is essentially free of calcium, wherein the silver is at a concentration that is in a range of about 0.003 to about 0.015 weight percent, and has a predominant equiaxed grain structure that comprises grain sizes that are in a range of about 0.1 to about 5 microns. Other alloy constituents include bismuth at a concentration that is in a range of about 0.003 to about 0.002 weight percent and tin at a concentration that is in a range of about 0.2 to about 1.8 weight percent. A process for making strip of said alloy for use in manufacturing said grid. A battery comprising said grid.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: May 29, 2018
    Assignees: NORTHSTAR BATTERY COMPANY, LLC, RSR TECHNOLOGIES INC.
    Inventors: Frank A Fleming, Timothy W Ellis, David R Prengaman
  • Recycling electrochemical cells and batteries
    Patent number: 9831537
    Abstract: Processes for separating and recycling battery and electrochemical cell materials are disclosed.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: November 28, 2017
    Assignee: RSR TECHNOLOGIES, INC.
    Inventor: Timothy W. Ellis
  • Wet electrostatic precipitator and related methods
    Patent number: 9821320
    Abstract: An emissions reduction stack includes a conditioning section, collector section utilizing a Wet Electrostatic Precipitator (WESP), and output section. A chemically active aqueous stream is introduced into an incoming process stream in order to saturate the stream and produce a fog stream wherein water is condensed on the surface of particulates. The process of condensation increases the efficiency of the particulate filtration process conducted by the WESP.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: November 21, 2017
    Assignee: RSR TECHNOLOGIES, INC.
    Inventors: Timothy W. Ellis, Henry V. Krigmont
  • LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS
    Publication number: 20170317351
    Abstract: A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
    Type: Application
    Filed: April 24, 2017
    Publication date: November 2, 2017
    Inventors: R. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
  • RECYCLING ELECTROCHEMICAL CELLS AND BATTERIES
    Publication number: 20160036099
    Abstract: Methods for separating and recycling battery and electrochemical cell materials are disclosed.
    Type: Application
    Filed: October 9, 2015
    Publication date: February 4, 2016
    Inventor: Timothy W. Ellis