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Robert F Gremel

age ~76

from San Juan Capistrano, CA

Also known as:
  • Robert Gremel
  • Robt Gremel
  • Robert Gremer
  • Bob Gremel
  • Rob Gremel
  • Bob Gremer
  • Rob Gremer

Robert Gremel Phones & Addresses

  • San Juan Capistrano, CA
  • 5621 Selkirk Dr, Huntington Beach, CA 92649 • (714)8460976
  • Orange, CA
  • 3 Queensberry Dr, Ladera Ranch, CA 92694 • (714)4938090

Work

  • Position:
    Transportation and Material Moving Occupations

Education

  • Degree:
    Bachelor's degree or higher

Emails

Name / Title
Company / Classification
Phones & Addresses
Robert F. Gremel
President
DELTA MEDICAL DEVICE ENGINEERING, INC
Engineering Services
5621 Selkirk Dr, Huntington Beach, CA 92649

Us Patents

  • Pleat Construction For Bellows Heat Exchanger Manifold

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  • US Patent:
    6423269, Jul 23, 2002
  • Filed:
    Aug 9, 1999
  • Appl. No.:
    09/370357
  • Inventors:
    Robert F. Gremel - Huntington Beach CA
  • Assignee:
    Medtronic, Inc. - Minneapolis MN
  • International Classification:
    A61M 114
  • US Classification:
    422 46, 165164
  • Abstract:
    Heat exchanging contact of water and blood with a pleated metal bellow heat exchanging surface in a heat exchanger for an extracorporeal blood circuit is improved by so forming the pleats of the bellows that the fluid chamber inside each pleat continuously narrows from the mouth of the pleat toward the inner end of the chamber. Uniform water distribution along the bellows is accomplished by making the water manifold in the heat exchanger core much larger in cross section than the inlet fitting to the manifold.
  • Prevention Of Electrical Discharges In Polymeric Heat Exchangers

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  • US Patent:
    6497841, Dec 24, 2002
  • Filed:
    Jul 22, 1997
  • Appl. No.:
    08/898559
  • Inventors:
    Neil D. Plotkin - Pasadena CA
    Roger J. Elgas - Anaheim CA
    Robert F. Gremel - Huntington Beach CA
    Robert V. Worrell - Lake Forest CA
  • Assignee:
    Medtronic, Inc. - Minneapolis MN
  • International Classification:
    A61M 114
  • US Classification:
    422 46, 422 44, 422 45, 604 613
  • Abstract:
    A heat exchanger, or the heat exchanger component of a multi-function device, comprising a polymeric heat transfer material. The heat exchanger exhibits reduced voltage-induced breakdown of the polymeric material, which can lead to cross-contamination of the two fluids. Either or both of two approaches may be employed. The first approach modifies the polymeric material to increase its resistance to breakdown. The second approach employs at least one electrical bridge between the fluids in the two sides of the heat exchanger, thus placing the two fluids into electrical equilibrium.
  • Venous Filter For Assisted Venous Return

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  • US Patent:
    6524267, Feb 25, 2003
  • Filed:
    Sep 18, 2001
  • Appl. No.:
    09/954787
  • Inventors:
    Robert F. Gremel - Huntington Beach CA
    Roger J. Elgas - Anaheim Hills CA
  • Assignee:
    Medtronic, Inc. - Brooklyn Park MN
  • International Classification:
    A61M 3700
  • US Classification:
    604 609, 604 401, 604 501, 210436, 422 44, 422 48
  • Abstract:
    The need for a venous reservoir in a heart-lung machine is obviated by using a vacuum-purged negative-pressure air filter in the venous return line ahead of the main blood pump. The purging vacuum for the venous air filter can also be used to purge air from the cardiotomy reservoir if a backflow-preventing valve is used on the venous air filter.
  • Method And Apparatus For Improving Blood Mixing In Oxygenators

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  • US Patent:
    6613279, Sep 2, 2003
  • Filed:
    Aug 31, 1999
  • Appl. No.:
    09/386245
  • Inventors:
    Roger J. Elgas - Anaheim Hills CA
    Robert F. Gremel - Huntington Beach CA
  • Assignee:
    Medtronic, Inc. - Brooklyn Park MN
  • International Classification:
    A61M 114
  • US Classification:
    422 45, 604 614
  • Abstract:
    Blood mixing in fiber-wound oxygenators is improved by inserting at least one layer of a planar apertured mat between selected layers of wound gas-exchange fibers.
  • Variable Packing Density In Hollow Fiber Device

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  • US Patent:
    6638479, Oct 28, 2003
  • Filed:
    Oct 11, 1999
  • Appl. No.:
    09/416146
  • Inventors:
    Roger J. Elgas - Anaheim Hills CA
    Robert F. Gremel - Huntington Beach CA
  • Assignee:
    Medtronic, Inc. - Minneapolis MN
  • International Classification:
    A61M 114
  • US Classification:
    422 45, 604 401
  • Abstract:
    The efficiency of a hollow fiber wound oxygenator is improved by varying the packing density of the fiber bundle in a direction longitudinal and/or circumferential of the core.
  • Venous Filter For Assisted Venous Return

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  • US Patent:
    6918887, Jul 19, 2005
  • Filed:
    Dec 19, 2002
  • Appl. No.:
    10/324176
  • Inventors:
    Robert F. Gremel - Huntington Beach CA, US
    Roger J. Elgas - Anaheim Hills CA, US
  • Assignee:
    Medtronic, Inc. - Minneapolis MN
  • International Classification:
    A61M037/00
  • US Classification:
    604 609, 604 611, 604 615, 604319, 210120
  • Abstract:
    The need for a venous reservoir in a heart-lung machine is obviated by using a vacuum-purged negative-pressure air filter in the venous return line ahead of the main blood pump. The purging vacuum for the venous air filter can also be used to purge air from the cardiotomy reservoir if a backflow-preventing valve is used on the venous air filter.
  • Apparatus For Retaining Concentric Parts Within One Another

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  • US Patent:
    6994694, Feb 7, 2006
  • Filed:
    Aug 19, 2003
  • Appl. No.:
    10/643453
  • Inventors:
    Robert F. Gremel - Huntington Beach CA, US
    Rowland W. Kanner - Guntersville AL, US
  • Assignee:
    Saftey 1st Medical, Inc. - Santa Ana CA
  • International Classification:
    A61M 5/32
  • US Classification:
    604192, 604110
  • Abstract:
    Apparatus for retaining concentric parts within one another and enabling limited axial movement therebetween, includes an inner component having a shoulder disposed in an external perimeter thereof and an outer tubular component having a wall and an open end for receiving the inner component and an inner surface for abutting the shoulder and enabling a sliding interface therebetween. A retaining tab is provided and disposed in the wall proximate the open end for depression of a free end toward the wall and a slot formed in the wall beneath the tab enables the free end to be forced therepast for retaining the free end inside the wall for engagement with the shoulder, thus preventing separation of the inner component from the outer component.
  • Apparatus For Locking Concentric Components In Alignment

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  • US Patent:
    20060195062, Aug 31, 2006
  • Filed:
    Feb 25, 2005
  • Appl. No.:
    11/066774
  • Inventors:
    Robert Gremel - Huntington Beach CA, US
  • International Classification:
    A61M 5/00
    A61M 5/32
  • US Classification:
    604110000, 604192000
  • Abstract:
    Apparatus for locking concentric components and alignment with one another generally includes a syringe sheath having a cylindrical wall between a bottom and an open top. A syringe body includes a bottom thereabout for sliding engagement with a syringe sheath inner surface and cleats formed in the syringe body wall in an opposing relationship are guided in two channels formed in the syringe sheath wall. Each of the cleats includes one end attached to the syringe body wall, a free end and a body portion disposed parallel to the channels. The free ends are spaced apart from the syringe body wall and engagement of the cleats with shoulders limits insertion of the syringe body into the syringe sheath. Placement of the cleats prevents tilting of the syringe body from releasing the cleats from corresponding shoulders.

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