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Eric D. Smith

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  • Boulder, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flange fitting for tubular structures
    • Patent number 11,883,907
    • Issue date Jan 30, 2024
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 11,834,856
    • Issue date Dec 5, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spiral forming
    • Patent number 11,731,181
    • Issue date Aug 22, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Wind turbine tower attachment
    • Patent number 11,686,155
    • Issue date Jun 27, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • E04 - BUILDING
  • Information Patent Grant

    Tube stiffening
    • Patent number 11,577,292
    • Issue date Feb 14, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered structure construction
    • Patent number 11,571,727
    • Issue date Feb 7, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Sheet transitioning in spiral formed structures
    • Patent number 11,529,661
    • Issue date Dec 20, 2022
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Control system and method for tapered structure construction
    • Patent number 11,364,527
    • Issue date Jun 21, 2022
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spiral forming
    • Patent number 11,213,872
    • Issue date Jan 4, 2022
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Flange fitting for tubular structures
    • Patent number 11,185,952
    • Issue date Nov 30, 2021
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered structure construction
    • Patent number 10,974,298
    • Issue date Apr 13, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 10,895,088
    • Issue date Jan 19, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sheet transitioning in spiral formed structures
    • Patent number 10,807,136
    • Issue date Oct 20, 2020
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wind turbine tower attachment
    • Patent number 10,626,672
    • Issue date Apr 21, 2020
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Spiral forming
    • Patent number 10,493,509
    • Issue date Dec 3, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Sheet transitioning in spiral formed structures
    • Patent number 10,486,212
    • Issue date Nov 26, 2019
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sheet transitioning in spiral formed structures
    • Patent number 10,201,841
    • Issue date Feb 12, 2019
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered structure construction
    • Patent number 10,195,653
    • Issue date Feb 5, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Control system and method for tapered structure construction
    • Patent number 10,189,064
    • Issue date Jan 29, 2019
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 10,060,149
    • Issue date Aug 28, 2018
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 9,475,153
    • Issue date Oct 25, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tapered structure construction
    • Patent number 9,302,303
    • Issue date Apr 5, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered structure construction
    • Patent number 9,266,157
    • Issue date Feb 23, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tapered spiral welded structure
    • Patent number 8,720,153
    • Issue date May 13, 2014
    • Keystone Tower Systems, Inc.
    • Eric Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20240082899
    • Publication date Mar 14, 2024
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    WIND TURBINE TOWER ATTACHMENT
    • Publication number 20230392444
    • Publication date Dec 7, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20230249236
    • Publication date Aug 10, 2023
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SHEET TRANSITIONING IN SPIRAL FORMED STRUCTURES
    • Publication number 20230201901
    • Publication date Jun 29, 2023
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CONTROL SYSTEM AND METHOD FOR TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20220297175
    • Publication date Sep 22, 2022
    • Keystone Tower Systems, Inc.
    • Rosalind K. TAKATA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20220080484
    • Publication date Mar 17, 2022
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    FLANGE FITTING FOR TUBULAR STRUCTURES
    • Publication number 20220055159
    • Publication date Feb 24, 2022
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TUBULAR STRUCTURE REINFORCING
    • Publication number 20210231237
    • Publication date Jul 29, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20210213501
    • Publication date Jul 15, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20210115690
    • Publication date Apr 22, 2021
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SHEET TRANSITIONING IN SPIRAL FORMED STRUCTURES
    • Publication number 20210023598
    • Publication date Jan 28, 2021
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WIND TURBINE TOWER ATTACHMENT
    • Publication number 20200217137
    • Publication date Jul 9, 2020
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    SHEET TRANSITIONING IN SPIRAL FORMED STRUCTURES
    • Publication number 20200171558
    • Publication date Jun 4, 2020
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLANGE FITTING FOR TUBULAR STRUCTURES
    • Publication number 20200018431
    • Publication date Jan 16, 2020
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20190160505
    • Publication date May 30, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SHEET TRANSITIONING IN SPIRAL FORMED STRUCTURES
    • Publication number 20190151920
    • Publication date May 23, 2019
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CONTROL SYSTEM AND METHOD FOR TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20190119344
    • Publication date Apr 25, 2019
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20190063101
    • Publication date Feb 28, 2019
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WIND TURBINE TOWER ATTACHMENT
    • Publication number 20180195345
    • Publication date Jul 12, 2018
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    TUBE STIFFENING
    • Publication number 20180193892
    • Publication date Jul 12, 2018
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20180133769
    • Publication date May 17, 2018
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SHEET TRANSITIONING IN SPIRAL FORMED STRUCTURES
    • Publication number 20180056354
    • Publication date Mar 1, 2018
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20170009479
    • Publication date Jan 12, 2017
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPIRAL FORMING
    • Publication number 20160375476
    • Publication date Dec 29, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20160107213
    • Publication date Apr 21, 2016
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    CONTROL SYSTEM AND METHOD FOR TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20150273550
    • Publication date Oct 1, 2015
    • Keystone Tower Systems, Inc.
    • Rosalind K. Takata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED SPIRAL WELDED STRUCTURE
    • Publication number 20140220371
    • Publication date Aug 7, 2014
    • Keystone Tower Systems, Inc.
    • Eric D. Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    TAPERED STRUCTURE CONSTRUCTION
    • Publication number 20130074564
    • Publication date Mar 28, 2013
    • Eric Smith
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tapered Spiral Welded Structure
    • Publication number 20110179623
    • Publication date Jul 28, 2011
    • Eric Smith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR