Patents by Inventor David P. Cross
David P. Cross has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10293276Abstract: A phase separator and associated method for removal of water from a sample containing analytes in an organic solvent including a vertically extending body portion for vertical extension into a receptacle, the body portion including at least one vertically extending membrane portion on at least one side thereof and a port for introduction of solvent.Type: GrantFiled: March 7, 2016Date of Patent: May 21, 2019Assignee: HORIZON TECHNOLOGY, INC.Inventors: William R. Jones, David P. Cross, Lewis B. Chesno
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Publication number: 20160258850Abstract: A phase separator and associated method for removal of water from a sample containing analytes in an organic solvent including a vertically extending body portion for vertical extension into a receptacle, the body portion including at least one vertically extending membrane portion on at least one side thereof and a port for introduction of solvent.Type: ApplicationFiled: March 7, 2016Publication date: September 8, 2016Inventors: William R. JONES, David P. CROSS, Lewis B. CHESNO
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Patent number: 6684896Abstract: A valve assembly includes a valve with a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, and defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. The valve may be connected to a manifold by press-fitting port nipples of the valve into corresponding channels in the manifold. The manifold is formed of a resilient, elastomeric material, and the port nipples include radial projecting barbs, which enable the valve to be fluidly-connected to the manifold without additional O-ring seals or other mechanical sealing devices. Fittings with barbs can likewise be press-fit in other channels of the manifold to connect the valve assembly with fluid lines or other components in the fluid system. The fittings can also be provided unitary with the manifold, and/or adhesively attached to the manifold and/or to the fluid lines and other components.Type: GrantFiled: January 28, 2003Date of Patent: February 3, 2004Assignee: Parker-Hannifin CorporationInventors: Andreas A. Weiss, David P. Cross, Andrew J. Farkas, Robert F. Irwin
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Publication number: 20030155022Abstract: A valve assembly includes a valve with a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, and defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. The valve may be connected to a manifold by press-fitting port nipples of the valve into corresponding channels in the manifold. The manifold is formed of a resilient, elastomeric material, and the port nipples include radial projecting barbs, which enable the valve to be fluidly-connected to the manifold without additional O-ring seals or other mechanical sealing devices. Fittings with barbs can likewise be press-fit in other channels of the manifold to connect the valve assembly with fluid lines or other components in the fluid system. The fittings can also be provided unitary with the manifold, and/or adhesively attached to the manifold and/or to the fluid lines and other components.Type: ApplicationFiled: January 28, 2003Publication date: August 21, 2003Inventors: Andreas A. Weiss, David P. Cross, Andrew J. Farkas, Robert F. Irwin
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Patent number: 6565594Abstract: A tunneling device, which is implantable in a body, includes a flexible covering to protect a medical from contamination during the handling and implantation of the device in the body. The tunneling device of the present invention may optionally include a rigid tunneler tip that allows for attachment of the tunneling device to a tunneler instrument prior to the implantation process.Type: GrantFiled: September 24, 1997Date of Patent: May 20, 2003Assignee: Atrium Medical CorporationInventors: Steve A. Herweck, David P. Cross
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Patent number: 6546959Abstract: A valve includes a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. To assemble the valve, a plunger body is inserted into the bobbin/valve body through an end opening into a longitudinal bore and a spring positioned to bias the plunger body to a normally closed position. A pole piece is then inserted through the end opening into the longitudinal bore and attached to the bobbin/valve body. A solenoid coil is wound around a central cylindrical section of the bobbin/valve body, and terminal pins and a flux conductor are attached to the bobbin/valve body. The attachment of the pole piece, the terminal pins, and/or the flux conductor may be accomplished by press-fit and/or swage coupling techniques.Type: GrantFiled: April 17, 2002Date of Patent: April 15, 2003Assignee: Parker Hannifin Corp.Inventors: David P. Cross, Andreas A. Weiss, Andrew Farkas, Robert Irwin
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Patent number: 6523570Abstract: A valve assembly includes a valve with a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, and defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. The valve may be connected to a manifold by press-fitting port nipples of the valve into corresponding channels in the manifold. The manifold is formed of a resilient, elastomeric material, and the port nipples include radial projecting barbs, which enable the valve to be fluidly-connected to the manifold without additional O-ring seals or other mechanical sealing devices. Fittings with barbs can likewise be press-fit in other channels of the manifold to connect the valve assembly with fluid lines or other components in the fluid system. The fittings can also be provided unitary with the manifold, and/or adhesively attached to the manifold and/or to the fluid lines and other components.Type: GrantFiled: March 7, 2001Date of Patent: February 25, 2003Assignee: Parker-Hannifin Corp.Inventors: Andreas A. Weiss, David P. Cross, William R. Clark, Paul D. Mercier
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Patent number: 6475244Abstract: A tunneling device, which is implantable in a body, includes a flexible covering to protect a medical from contamination during the handling and implantation of the device in the body. The tunneling device of the present invention may optionally include a rigid tunneler tip that allows for attachment of the tunneling device to a tunneler instrument prior to the implantation process.Type: GrantFiled: February 16, 2001Date of Patent: November 5, 2002Assignee: Atrium Medical CorporationInventors: Steve A. Herweck, David P. Cross
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Publication number: 20020117203Abstract: A valve includes a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. To assemble the valve, a plunger body is inserted into the bobbin/valve body through an end opening into a longitudinal bore and a spring positioned to bias the plunger body to a normally closed position. A pole piece is then inserted through the end opening into the longitudinal bore and attached to the bobbin/valve body. A solenoid coil is wound around a central cylindrical section of the bobbin/valve body, and terminal pins and a flux conductor are attached to the bobbin/valve body. The attachment of the pole piece, the terminal pins, and/or the flux conductor may be accomplished by press-fit and/or swage coupling techniques.Type: ApplicationFiled: April 17, 2002Publication date: August 29, 2002Inventors: David P. Cross, Andreas A. Weiss, Andrew Farkas, Robert Irwin
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Patent number: 6425409Abstract: A valve includes a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. To assemble the valve, a plunger body is inserted into the bobbin/valve body through an end opening into a longitudinal bore and a spring positioned to bias the plunger body to a normally closed position. A pole piece is then inserted through the end opening into the longitudinal bore and attached to the bobbin/valve body. A solenoid coil is wound around a central cylindrical section of the bobbin/valve body, and terminal pins and a flux conductor are attached to the bobbin/valve body. The attachment of the pole piece, the terminal pins, and/or the flux conductor may be accomplished by press-fit and/or swage coupling techniques.Type: GrantFiled: May 4, 2000Date of Patent: July 30, 2002Assignee: Parker Hannifin Corp.Inventors: David P. Cross, Andreas A. Weiss, Andrew Farkas, Robert Irwin
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Publication number: 20010037832Abstract: A valve assembly includes a valve with a bobbin/valve body, a solenoid and a plunger. The bobbin/valve body is formed in one piece, and defines all of the valve's inlet/outlet ports and forms the entire support structure for the solenoid and the plunger. The valve may be connected to a manifold by press-fitting port nipples of the valve into corresponding channels in the manifold. The manifold is formed of a resilient, elastomeric material, and the port nipples include radial projecting barbs, which enable the valve to be fluidly-connected to the manifold without additional O-ring seals or other mechanical sealing devices. Fittings with barbs can likewise be press-fit in other channels of the manifold to connect the valve assembly with fluid lines or other components in the fluid system. The fittings can also be provided unitary with the manifold, and/or adhesively attached to the manifold and/or to the fluid lines and other components.Type: ApplicationFiled: March 7, 2001Publication date: November 8, 2001Inventors: Andreas A. Weiss, David P. Cross, William R. Clark, Paul D. Mercier
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Publication number: 20010032023Abstract: A tunneling device, which is implantable in a body, includes a flexible covering to protect a medical from contamination during the handling and implantation of the device in the body. The tunneling device of the present invention may optionally include a rigid tunneler tip that allows for attachment of the tunneling device to a tunneler instrument prior to the implantation process.Type: ApplicationFiled: February 16, 2001Publication date: October 18, 2001Applicant: Atrium Medical CorporationInventors: Steve A. Herweck, David P. Cross