Doug Schelhaas

Person

  • Aurora, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Synchronous belt drive system

    • Patent number 11,421,561
    • Issue date Aug 23, 2022
    • Gates Corporation
    • Min Gao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hose anti-collapse ribs, systems and methods

    • Patent number 9,890,879
    • Issue date Feb 13, 2018
    • Gates Corporation
    • Douglas D. Schelhaas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hose anti-collapse ribs, systems and methods

    • Patent number 9,038,671
    • Issue date May 26, 2015
    • Gates Corporation
    • Douglas D. Schelhaas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid transfer hose reinforced with hybrid yarn

    • Patent number 7,572,745
    • Issue date Aug 11, 2009
    • The Gates Corporation
    • Morris Branch
    • D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
  • Information Patent Grant

    Coupled hose assembly

    • Patent number 4,660,867
    • Issue date Apr 28, 1987
    • The Gates Rubber Company
    • Dennis C. Kemper
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Synchronous Belt Drive System

    • Publication number 20200141283
    • Publication date May 7, 2020
    • Gates Corporation
    • Min Gao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Low-Permeation Flexible Fuel Hose

    • Publication number 20100300571
    • Publication date Dec 2, 2010
    • THE GATES CORPORATION
    • Lance Miller
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Hose anti-collapse ribs, systems and methods

    • Publication number 20090229697
    • Publication date Sep 17, 2009
    • Douglas D. Schelhaas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Hose anti-collapse ribs, systems and methods

    • Publication number 20090211659
    • Publication date Aug 27, 2009
    • Douglas D. Schelhaas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Fluid transfer hose reinforced with hybrid yarn

    • Publication number 20080072984
    • Publication date Mar 27, 2008
    • Morris Branch
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING