Making of the seams

Patents Grantslast 30 patents

  • Information Patent Grant

    Tubular structures and knurling systems and methods of manufacture...

    • Patent number 10,927,982
    • Issue date Feb 23, 2021
    • Deflecto, LLC
    • Roman Sindelar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roll former

    • Patent number 10,471,489
    • Issue date Nov 12, 2019
    • FAMOUS INDUSTRIES, INC.
    • Charles Klinect
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Self-sealing circular cross-section sheet metal duct and method for...

    • Patent number 10,190,796
    • Issue date Jan 29, 2019
    • Ductmate Industries, Inc.
    • Douglas G. Gudenburr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tubular structures and knurling systems and methods of manufacture...

    • Patent number 9,933,092
    • Issue date Apr 3, 2018
    • Deflecto, LLC
    • Roman Sindelar
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and system for manufacturing metal-plated steel pipe

    • Patent number 9,249,489
    • Issue date Feb 2, 2016
    • Daiwa Steel Tube Industries Co., Ltd.
    • Shinichiro Nakamura
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Ductmaking apparatus

    • Patent number 8,590,577
    • Issue date Nov 26, 2013
    • Mestek Machinery, Inc.
    • Michael C. Borwig
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of installing sealed circular ductwork

    • Patent number 8,505,185
    • Issue date Aug 13, 2013
    • Ductmate Industries, Inc.
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ductmaking apparatus

    • Patent number 8,276,425
    • Issue date Oct 2, 2012
    • Mestek Machinery, Inc.
    • Michael C. Borwig
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of installing a self locking sheet metal duct

    • Patent number 8,151,430
    • Issue date Apr 10, 2012
    • Ductmate Industries, Inc.
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Folded-seam connection, method of producing it and device

    • Patent number 7,908,731
    • Issue date Mar 22, 2011
    • Spiro S.A.
    • Rudolf Binggeli
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Self locking sheet metal duct with a sealant

    • Patent number 7,708,034
    • Issue date May 4, 2010
    • Ductmate Industries, Inc.
    • Douglas G. Gudenburr
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Self locking sheet metal duct with a sealant and method for manufac...

    • Patent number 7,478,467
    • Issue date Jan 20, 2009
    • Ductmate Industries, Inc.
    • Douglas G. Gudenburr
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method for making a tubular element and resulting tubular element

    • Patent number 6,973,724
    • Issue date Dec 13, 2005
    • Valeo
    • Ghislain Passebecq
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of forming a tube

    • Patent number 6,880,581
    • Issue date Apr 19, 2005
    • Weeks Peacock Quality Homes Pty. Ltd.
    • Kevin William Weeks
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubular bar with integral rolled locking system and method of makin...

    • Patent number 6,840,571
    • Issue date Jan 11, 2005
    • Trim Trends Co, Inc.
    • Donald G. Graber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Tubular bar with integral rolled locking system and method of makin...

    • Patent number 6,520,215
    • Issue date Feb 18, 2003
    • Hayes-Albion Corporation
    • Donald G. Graber
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method and apparatus for forming box-shaped sheet metal ducts

    • Patent number 5,105,640
    • Issue date Apr 21, 1992
    • Iowa Precision Industries, Inc.
    • Cecil E. Moore
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Duct finishing machine

    • Patent number 4,497,189
    • Issue date Feb 5, 1985
    • Kenneth E. Larson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Assembly of straight duct and transitions

    • Patent number 4,424,618
    • Issue date Jan 10, 1984
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe snapper machine and method

    • Patent number 4,178,673
    • Issue date Dec 18, 1979
    • Rockford Machine Tool Co.
    • Eugene S. Swanson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Fold structure for connecting metal sheet sections

    • Patent number 4,171,599
    • Issue date Oct 23, 1979
    • Xaver Lipp
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Assembly of straight duct and transitions

    • Patent number 4,111,143
    • Issue date Sep 5, 1978
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3918283

    • Patent number 3,918,283
    • Issue date Nov 11, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3901174

    • Patent number 3,901,174
    • Issue date Aug 26, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3726120

    • Patent number 3,726,120
    • Issue date Apr 10, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3350751

    • Patent number 3,350,751
    • Issue date Nov 7, 1967
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3304728

    • Patent number 3,304,728
    • Issue date Feb 21, 1967
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    3260636

    • Patent number 3,260,636
    • Issue date Jul 12, 1966
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3245242

    • Patent number 3,245,242
    • Issue date Apr 12, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3217501

    • Patent number 3,217,501
    • Issue date Nov 16, 1965
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SEAM FORMING APPARATUS FOR ELBOW DUCT

    • Publication number 20230249238
    • Publication date Aug 10, 2023
    • Sung Keun Noh
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    APPARATUS AND METHOD FOR FORMING A SEALING PORTION ON DUCT MEMBERS

    • Publication number 20210362207
    • Publication date Nov 25, 2021
    • Cleveland Tool and Machine, LLC
    • Victor BOTA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method of Installing Sealed Circular Ductwork

    • Publication number 20190154294
    • Publication date May 23, 2019
    • DUCTMATE INDUSTRIES, INC.
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Sealed Drive Slip

    • Publication number 20180274811
    • Publication date Sep 27, 2018
    • Ductmate Industries, Inc.
    • Jason E Marr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    SEALANT SYSTEM FOR METAL SEAMS

    • Publication number 20160214134
    • Publication date Jul 28, 2016
    • MESTEK MACHINERY, INC.
    • Steven Kerska
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Method of Installing Sealed Circular Ductwork

    • Publication number 20130240077
    • Publication date Sep 19, 2013
    • DUCTMATE INDUSTRIES, INC.
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DUCTMAKING APPARATUS

    • Publication number 20120318031
    • Publication date Dec 20, 2012
    • MESTEK MACHINERY, INC.
    • Michael C. Borwig
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD AND SYSTEM FOR MANUFACTURING METAL-PLATED STEEL PIPE

    • Publication number 20120315398
    • Publication date Dec 13, 2012
    • Shinichiro Nakamura
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Method of Installing Sealed Circular Ductwork

    • Publication number 20120151734
    • Publication date Jun 21, 2012
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    FOLDED-SEAM CONNECTION, METHOD OF PRODUCING IT AND DEVICE

    • Publication number 20090320954
    • Publication date Dec 31, 2009
    • Rudolf Binggeli
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    DUCTMAKING APPARATUS

    • Publication number 20090084152
    • Publication date Apr 2, 2009
    • FORMTEK, INC.
    • Michael C. BORWIG
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Sealed ventilation duct

    • Publication number 20080200111
    • Publication date Aug 21, 2008
    • Herbert G. Gibson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method of installing a self locking sheet metal duct

    • Publication number 20080148543
    • Publication date Jun 26, 2008
    • DUCTMATE INDUSTRIES, INC.
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Pressing Method for Sealing Heat Pipe

    • Publication number 20080141872
    • Publication date Jun 19, 2008
    • Jian-Dih Jeng
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Self Locking Sheet Metal Duct with a Sealant

    • Publication number 20080142107
    • Publication date Jun 19, 2008
    • DUCTMATE INDUSTRIES, INC.
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Self Locking Sheet Metal Duct with a Sealant and Method for Manufac...

    • Publication number 20080017269
    • Publication date Jan 24, 2008
    • Douglas G. Gudenburr
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Folded-seam connection, method of producing it and device

    • Publication number 20070039162
    • Publication date Feb 22, 2007
    • Rudolf Binggeli
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Apparatuses and methods for the manufacture of metal tubular member...

    • Publication number 20050043161
    • Publication date Feb 24, 2005
    • Brad S. Cameron
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Rolled tube fabrication method

    • Publication number 20040148992
    • Publication date Aug 5, 2004
    • Yih Ren Huang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Tubular bar with integral rolled locking system and method of makin...

    • Publication number 20020116974
    • Publication date Aug 29, 2002
    • Donald G. Graber
    • B60 - VEHICLES IN GENERAL