TREA

Douglas B. Pearl

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  • Fort Lauderdale, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expanding tool and method
    • Patent number 11,389,856
    • Issue date Jul 19, 2022
    • Uniweld Products, Inc.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Refrigerant charging tool and method
    • Patent number 11,268,742
    • Issue date Mar 8, 2022
    • Uniweld Products, Inc.
    • David S. Pearl
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration hose with multiple access points and method of evacua...
    • Patent number 11,143,445
    • Issue date Oct 12, 2021
    • Uniweld Products, Inc.
    • Douglas B. Pearl
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    High pressure fitting
    • Patent number 10,281,067
    • Issue date May 7, 2019
    • Uniweld Products, Inc.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expanding tool and method
    • Patent number 10,226,810
    • Issue date Mar 12, 2019
    • Uniweld Products, Inc.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    High pressure fitting
    • Patent number 10,066,769
    • Issue date Sep 4, 2018
    • Uniweld Products, Inc.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual function adapter and method
    • Patent number 9,987,730
    • Issue date Jun 5, 2018
    • Uniweld Products, Inc.
    • David S. Pearl
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Method of coupling high pressure fitting
    • Patent number 9,897,237
    • Issue date Feb 20, 2018
    • Uniweld Products, Inc.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vaporizing refrigerant charging tool with visual inspection window
    • Patent number 9,803,901
    • Issue date Oct 31, 2017
    • Uniweld Products, Inc.
    • David S. Pearl
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    High pressure fitting
    • Patent number 9,383,046
    • Issue date Jul 5, 2016
    • Uniweld Products, Inc.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow regulator for nitrogen purging, system and method
    • Patent number 9,328,870
    • Issue date May 3, 2016
    • Uniweld Products, Inc.
    • David S. Pearl
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Manifold body
    • Patent number D465259
    • Issue date Nov 5, 2002
    • Uniweld Products, Inc.
    • Douglas B. Pearl
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Gauge having an indicia-bearing insert
    • Patent number 6,318,173
    • Issue date Nov 20, 2001
    • Uniweld Products, Inc.
    • Douglas B. Pearl
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gauge having an indicia-bearing insert
    • Patent number 6,094,983
    • Issue date Aug 1, 2000
    • Uniweld Products, Inc.
    • Douglas B. Pearl
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas cylinder carrier
    • Patent number 4,294,481
    • Issue date Oct 13, 1981
    • Uniweld Products, Incorporated
    • Douglas B. Pearl
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    Tamper-Resistant Locking Device And Method
    • Publication number 20210247013
    • Publication date Aug 12, 2021
    • UNIWELD PRODUCTS, INC.
    • Dragan Bukur
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Tool And Method For Additive Introduction Into Closed Systems
    • Publication number 20200041060
    • Publication date Feb 6, 2020
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Expanding Tool And Method
    • Publication number 20190168282
    • Publication date Jun 6, 2019
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    High Pressure Fitting
    • Publication number 20180340637
    • Publication date Nov 29, 2018
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    High Pressure Fitting
    • Publication number 20180142813
    • Publication date May 24, 2018
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Expanding Tool And Method
    • Publication number 20170348754
    • Publication date Dec 7, 2017
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Refrigerant Charging Tool And Method
    • Publication number 20170122632
    • Publication date May 4, 2017
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Dual Function Adapter And Method
    • Publication number 20170106506
    • Publication date Apr 20, 2017
    • David S. Pearl
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Refrigeration Hose With Multiple Access Points And Method Of Evacua...
    • Publication number 20160290694
    • Publication date Oct 6, 2016
    • UNIWELD PRODUCTS, INC.
    • Douglas B. Pearl
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    High Pressure Fitting
    • Publication number 20150362102
    • Publication date Dec 17, 2015
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLOW REGULATOR FOR NITROGEN PURGING, SYSTEM AND METHOD
    • Publication number 20150198287
    • Publication date Jul 16, 2015
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Application

    High Pressure Fitting
    • Publication number 20140265317
    • Publication date Sep 18, 2014
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Refrigerant Charging Tool And Method
    • Publication number 20120023972
    • Publication date Feb 2, 2012
    • UNIWELD PRODUCTS, INC.
    • David S. Pearl, II
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...