David Warren Porter

Person

  • Tulsa, OK, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Top-Loading Straddle-Mounted Pipe Fusion Machine

    • Publication number 20190351625
    • Publication date Nov 21, 2019
    • McElroy Manufacturing, Inc.
    • Jason A. Lawrence
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Top-Loading Straddle-Mounted Pipe Fusion Machine

    • Publication number 20160136881
    • Publication date May 19, 2016
    • McElroy Manufacturing, Inc.
    • Jason A. Lawrence
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Electro-Mechanical Pipe Fusion Machine

    • Publication number 20150074966
    • Publication date Mar 19, 2015
    • McElroy Manufacturing, Inc.
    • David W. Porter
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Top-Loading Straddle-Mounted Pipe Fusion Machine

    • Publication number 20150075722
    • Publication date Mar 19, 2015
    • McElroy Manufacturing, Inc.
    • Jason A. Lawrence
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    RACK TYPE PIPE FEEDER FOR A PIPE FUSION MACHINE

    • Publication number 20140219770
    • Publication date Aug 7, 2014
    • McElroy Manufacturing, Inc.
    • James R. Perrault
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL