SERVA CORPORATION

Organization

  • HOUSTON, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable displacement reciprocating pump

    • Patent number 8,668,466
    • Issue date Mar 11, 2014
    • Serva Corporation
    • Thomas E. Allen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement reciprocating pump

    • Patent number 7,811,064
    • Issue date Oct 12, 2010
    • Serva Corporation
    • Thomas E. Allen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gel mixing system

    • Patent number 7,581,872
    • Issue date Sep 1, 2009
    • Serva Corporation
    • Thomas E. Allen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Gel mixing system

    • Patent number 7,419,296
    • Issue date Sep 2, 2008
    • Serva Corporation
    • Thomas E. Allen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE DISPLACEMENT RECIPROCATING PUMP

    • Publication number 20110023701
    • Publication date Feb 3, 2011
    • Serva Corporation
    • Thomas E. Allen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Trademarklast 30 trademarks

  • Information Trademark

    77345914 - ACM

    • Serial number 77345914
    • Registration number 3471581
    • Filing date Dec 6, 2007
    • Serva Corporation
    • 7 - Machines and machine tools
  • Information Trademark

    77230435 - SERVAFRAC

    • Serial number 77230435
    • Registration number 3398005
    • Filing date Jul 16, 2007
    • Serva Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    77230394 - SERVACEMENTING

    • Serial number 77230394
    • Registration number 3401217
    • Filing date Jul 16, 2007
    • Serva Corporation
    • 7 - Machines and machine tools
  • Information Trademark

    77230372 - SERVAPUMP

    • Serial number 77230372
    • Registration number 3397999
    • Filing date Jul 16, 2007
    • Serva Corporation
    • 7 - Machines and machine tools
  • Information Trademark

    77230541 - SERVAVIEW

    • Serial number 77230541
    • Registration number 3421862
    • Filing date Jul 16, 2007
    • Serva Corporation
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments