of concrete, cement or asbestos-cement

Patents Grantslast 30 patents

  • Information Patent Grant

    Expandable sealing mechanism

    • Patent number 10,563,805
    • Issue date Feb 18, 2020
    • Press-Seal Corporation
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Bell end adapter arrangement

    • Patent number 10,473,253
    • Issue date Nov 12, 2019
    • S-P Products Inc.
    • Peter A. Vrame
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expandable sealing mechanism

    • Patent number 9,644,768
    • Issue date May 9, 2017
    • Press-Seal Corporation
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus to contain pipeline leaks from a longitudinal portion of...

    • Patent number 9,004,813
    • Issue date Apr 14, 2015
    • Saudi Arabian Oil Company
    • Khaled A. Al-Buraik
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Connector gasket for concrete structures

    • Patent number 7,392,989
    • Issue date Jul 1, 2008
    • S&B Technical Products, Inc.
    • Bradford G. Corbett, Jr.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Cam expansion ring assembly

    • Patent number 7,350,827
    • Issue date Apr 1, 2008
    • Press-Seal Gasket Corporation
    • Bryan N Zeigler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of reinforcing a cylindrical pipeline and prefabricated plat...

    • Patent number 7,347,227
    • Issue date Mar 25, 2008
    • Freyssinet International (STUP)
    • Ivica Zivanovic
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Expansion ring assembly with removable drive mechanism

    • Patent number 7,263,746
    • Issue date Sep 4, 2007
    • Press-Seal Gasket Corporation
    • Ronald W Neuhaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion ring assembly

    • Patent number 7,146,689
    • Issue date Dec 12, 2006
    • Press-Seal Gasket Corporation
    • Ronald W Neuhaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expansion ring assembly

    • Patent number 6,805,359
    • Issue date Oct 19, 2004
    • Press-Seal Gasket Corporation
    • Ronald W. Neuhaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lined manhole and method of making same

    • Patent number 5,584,317
    • Issue date Dec 17, 1996
    • Robert G. McIntosh
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Expandable compression ring with locking members

    • Patent number 5,507,500
    • Issue date Apr 16, 1996
    • Press-Seal Gasket Corporation
    • James W. Skinner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Band with slotted wedge cams

    • Patent number 5,431,459
    • Issue date Jul 11, 1995
    • NPC, Inc.
    • William P. Gundy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expandable seal arrangement

    • Patent number 5,150,927
    • Issue date Sep 29, 1992
    • Press Seal Gasket Corporation
    • William O. Skinner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Band for effecting a seal

    • Patent number 5,029,907
    • Issue date Jul 9, 1991
    • NPC, Inc.
    • William P. Gundy
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Method for connecting sewer pipes to manholes

    • Patent number 4,203,190
    • Issue date May 20, 1980
    • Lowell D. Temple
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Apparatus for pipe-to-manhole sealing

    • Patent number 4,009,545
    • Issue date Mar 1, 1977
    • Merchants National Bank of Manchester
    • John C. Rossborough
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pipe connection to manholes and the like

    • Patent number 3,982,777
    • Issue date Sep 28, 1976
    • Adam Eugene Martin
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Pipe joint sealing device

    • Patent number 3,973,783
    • Issue date Aug 10, 1976
    • Skinner; Harry W.
    • Harry W. Skinner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method, apparatus and product for improved pipe-to-manhole sealing

    • Patent number 3,958,313
    • Issue date May 25, 1976
    • Merchants National Bank of Manchester
    • John C. Rossborough
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3922107

    • Patent number 3,922,107
    • Issue date Nov 25, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3874063

    • Patent number 3,874,063
    • Issue date Apr 1, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3815214

    • Patent number 3,815,214
    • Issue date Jun 11, 1974
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3792879

    • Patent number 3,792,879
    • Issue date Feb 19, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3787061

    • Patent number 3,787,061
    • Issue date Jan 22, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3759280

    • Patent number 3,759,280
    • Issue date Sep 18, 1973
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3758066

    • Patent number 3,758,066
    • Issue date Sep 11, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3744806

    • Patent number 3,744,806
    • Issue date Jul 10, 1973
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3663042

    • Patent number 3,663,042
    • Issue date May 16, 1972
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3487140

    • Patent number 3,487,140
    • Issue date Dec 30, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    BELL END ADAPTER ARRANGEMENT

    • Publication number 20170211739
    • Publication date Jul 27, 2017
    • S-P Products, Inc.
    • Peter A. Vrame
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    EXPANDABLE SEALING MECHANISM

    • Publication number 20170198850
    • Publication date Jul 13, 2017
    • Press-Seal Corporation
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    EXPANDABLE SEALING MECHANISM

    • Publication number 20140191503
    • Publication date Jul 10, 2014
    • James W. Skinner
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Apparatus and Method to Contain Pipeline Leaks from a Longitudinal...

    • Publication number 20130279988
    • Publication date Oct 24, 2013
    • Khaled A. Al-Buraik
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Connector gasket for concrete structures

    • Publication number 20120007320
    • Publication date Jan 12, 2012
    • Bradford G. Corbett, JR.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CONNECTOR GASKET FOR CONCRETE STRUCTURES

    • Publication number 20080277884
    • Publication date Nov 13, 2008
    • Bradford G. Corbett, JR.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Cam expansion ring assembly

    • Publication number 20060220377
    • Publication date Oct 5, 2006
    • Bryan N. Zeigler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Connector gasket for concrete structures

    • Publication number 20060082141
    • Publication date Apr 20, 2006
    • Bradford G. Corbett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Expansion ring assembly with removable drive mechanism

    • Publication number 20060033330
    • Publication date Feb 16, 2006
    • Ronald W. Neuhaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Expansion ring assembly

    • Publication number 20050006853
    • Publication date Jan 13, 2005
    • Ronald W. Neuhaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method of reinforcing a cylindrical pipeline and prefabricated plat...

    • Publication number 20040255545
    • Publication date Dec 23, 2004
    • Ivica Zivanovic
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Expansion ring assembly

    • Publication number 20040080118
    • Publication date Apr 29, 2004
    • Ronald W. Neuhaus
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...