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Keith R. Ptak

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  • Erie, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    FLEXIBLE PIPE JOINT
    • Publication number 20180231161
    • Publication date Aug 16, 2018
    • LORD CORPORATION
    • David C. RIGGS
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLEXIBLE JOINT AND METHOD OF MANUFACTURING FLEXIBLE JOINT
    • Publication number 20170198845
    • Publication date Jul 13, 2017
    • Keith R. PTAK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METHOD FOR SUPPRESSION OF RESONANT VIBRATIONS IN SUBSEA PIPELINES
    • Publication number 20170074423
    • Publication date Mar 16, 2017
    • LORD CORPORATION
    • Mark A. NORRIS
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MUD MOTOR TRANSMISSION
    • Publication number 20170045090
    • Publication date Feb 16, 2017
    • LORD CORPORATION
    • James F. KUHN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    GIMBAL BEARING SYSTEM AND METHOD
    • Publication number 20160376874
    • Publication date Dec 29, 2016
    • LORD CORPORATION
    • Samuel O. CARABALLO
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    IMPROVED RISER TENSIONER BEARING SYSTEM
    • Publication number 20160273280
    • Publication date Sep 22, 2016
    • Keith R. PTAK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    RISER BEARING WITH HIGH SHAPE FACTOR
    • Publication number 20160251910
    • Publication date Sep 1, 2016
    • Keith R. PTAK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SUPPORT LINER
    • Publication number 20160069502
    • Publication date Mar 10, 2016
    • LORD CORPORATION
    • James A. MACIAK
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ELEVATED TEMPERATURE RISER BEARING
    • Publication number 20160053567
    • Publication date Feb 25, 2016
    • LORD CORPORATION
    • Keith R. PTAK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TORSIONAL ISOLATOR
    • Publication number 20160053557
    • Publication date Feb 25, 2016
    • LORD CORPORATION
    • Gerald P. WHITEFORD
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ROTARY DAMPERS, SYSTEMS, AND RELATED METHODS
    • Publication number 20160017954
    • Publication date Jan 21, 2016
    • LORD CORPORATION
    • Brian McGILL
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    COUPLING AND MUD MOTOR TRANSMISSION
    • Publication number 20150167399
    • Publication date Jun 18, 2015
    • LORD CORPORATION
    • James F. Kuhn
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CONSTRUCTION VEHICLE CAB SUSPENSION SURFACE EFFECT LIQUID MOUNT
    • Publication number 20110169204
    • Publication date Jul 14, 2011
    • LORD CORPORATION
    • David M. Catanzarite
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Engine mounting system
    • Publication number 20100314525
    • Publication date Dec 16, 2010
    • Keith R. Ptak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    POWERED CONSTRUCTION GROUND COMPACTOR AND METHOD OF MAKING
    • Publication number 20100296869
    • Publication date Nov 25, 2010
    • David M. Catanzarite
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    CONSTRUCTION VEHICLE CAB SUSPENSION MOUNT
    • Publication number 20090289472
    • Publication date Nov 26, 2009
    • David M. Catanzarite
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    WIND TURBINE SYSTEMS DAMPERS
    • Publication number 20080265478
    • Publication date Oct 30, 2008
    • Tyn Smith
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Bridge with minimized excited bridge vibrations
    • Publication number 20070067929
    • Publication date Mar 29, 2007
    • Keith R. Ptak
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    Furniture seatback tilt recline angle limiter and method
    • Publication number 20050179295
    • Publication date Aug 18, 2005
    • David Catanzarite
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Door closer
    • Publication number 20020133904
    • Publication date Sep 26, 2002
    • Lord Corporation
    • Neil J. Donovan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES