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公开(公告)号:US20220203576A1
公开(公告)日:2022-06-30
申请号:US17568664
申请日:2022-01-04
Applicant: University of Southern California
Inventor: Steven Nutt , Lessa Grunenfelder , Timotei Centea , Mark Anders , William Thomas Edwards , Sarah Grace Katz Schechter
Abstract: Methods, apparatuses, and systems for making prepregs are disclosed. A method may include depositing a resin material onto a surface of a fiber bed and forming a number of discrete resin regions thereon. A distance between the resin regions may be measured to provide desired exposed portions of the surface to facilitate permeation of air through the exposed portions of the surface in a direction perpendicular to a plane of the fiber bed during a curing process of the prepreg.
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公开(公告)号:US20240239021A1
公开(公告)日:2024-07-18
申请号:US18383240
申请日:2023-10-24
Applicant: University of Southern California
Inventor: Steven Nutt , Lessa Grunenfelder , Timotei Centea , Mark Anders , William Thomas Edwards , Sarah Grace Katz Schechter
IPC: B29B15/12 , B29C70/20 , B29C70/44 , C08J5/24 , B29K307/04 , B29K309/08
CPC classification number: B29B15/122 , B29C70/20 , B29C70/443 , C08J5/24 , B29K2307/04 , B29K2309/08 , C08J2361/10 , C08J2363/00 , C08J2375/04 , C08J2379/08
Abstract: Methods, apparatuses, and systems for making prepregs are disclosed. A method may include depositing a resin material onto a surface of a fiber bed and forming a number of discrete resin regions thereon. A distance between the resin regions may be measured to provide desired exposed portions of the surface to facilitate permeation of air through the exposed portions of the surface in a direction perpendicular to a plane of the fiber bed during a curing process of the prepreg.
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公开(公告)号:US11213975B2
公开(公告)日:2022-01-04
申请号:US16475371
申请日:2018-01-05
Applicant: University of Southern California
Inventor: Steven Nutt , Lessa Grunenfelder , Timotei Centea , Mark Anders , William Thomas Edwards , Sarah Grace Katz Schechter
IPC: B32B3/00 , B29B15/12 , B29C70/20 , B29C70/44 , C08J5/24 , B29K309/08 , B29K307/04
Abstract: Methods, apparatuses, and systems for making prepregs are disclosed. A method may include depositing a resin material onto a surface of a fiber bed and forming a number of discrete resin regions thereon. A distance between the resin regions may be measured to provide desired exposed portions of the surface to facilitate permeation of air through the exposed portions of the surface in a direction perpendicular to a plane of the fiber bed during a curing process of the prepreg.
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公开(公告)号:US20240051280A1
公开(公告)日:2024-02-15
申请号:US18212642
申请日:2023-06-21
Applicant: University of Southern California
Inventor: Steven Nutt , Po-Lun Feng
CPC classification number: B32B27/14 , B32B27/08 , B32B27/20 , B32B33/00 , B32B2250/02 , B32B2255/205 , B32B2255/10 , B32B2260/02 , B32B2264/1058 , B32B2264/108 , B32B2264/20 , B32B2311/24
Abstract: Systems and methods to form a metallized polymer substrate including the steps of forming a bond layer on a surface of a polymer substrate, the bond layer comprising a hybrid structure of a polymer film layer and a metal component; bonding the polymer film layer to the surface of a carbon fiber reinforced polymer substrate; and depositing, by low-temperature metal spray deposition, a plurality of metal particles onto the bond layer.
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公开(公告)号:US11724104B2
公开(公告)日:2023-08-15
申请号:US17336003
申请日:2021-06-01
Inventor: Yaniv Bar-Cohen , Gerald Loeb , Li Zhou , Raymond Peck , Steven Nutt
CPC classification number: A61N1/0587 , A61N1/059 , A61N1/362 , A61N1/3756 , A61N1/3787 , A61N1/37205 , A61N1/37288 , A61N1/37512
Abstract: The present invention provides an advancement in the art of cardiac pacemakers. The invention provides a novel and unobvious pacemaker system that comprises at least one pacemaker and that is, to a large extent, self-controlled, allows for long-term implantation in a patient, and minimizes current inconveniences and problems associated with battery life. The invention further includes a mechanism in which at least two pacemakers are implanted in a patient, and in which the pacemakers communicate with each other at the time of a given pacing or respiratory event, without any required external input, and adjust pacing parameters to respond to the patient's need for blood flow. The invention further provides a novel design for a pacemaker in which the pacemaker electrode is connected to the pacemaker body by a lead that is configured to allow the pacemaker to lie parallel to the epicardial surface and to reduce stress on the pacemaker and heart tissue.
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公开(公告)号:US11020588B2
公开(公告)日:2021-06-01
申请号:US14889853
申请日:2014-05-08
Inventor: Yaniv Bar-Cohen , Gerald Loeb , Li Zhou , Raymond Peck , Steven Nutt
Abstract: The present invention provides advancements in the art of cardiac pacemakers. The invention provides a pacemaker system that comprises at least one pacemaker and that is, to a large extent, self-controlled, allows for long-term implantation in a patient, and minimizes current inconveniences and problems associated with battery life. The invention further includes a mechanism in which at least two pacemakers are implanted in a patient, and in which the pacemakers communicate with each other at the time of a given pacing or respiratory event, without any required external input, and adjust pacing parameters to respond to the patient's need for blood flow. The invention further provides a design for a pacemaker in which the pacemaker electrode is connected to the pacemaker body by a lead that is configured to allow the pacemaker to lie parallel to the epicardial surface and to reduce stress on the pacemaker and heart tissue.
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公开(公告)号:US20250018660A1
公开(公告)日:2025-01-16
申请号:US18702327
申请日:2022-09-29
Applicant: University of Southern California
Inventor: Mark Anders , Steven Nutt
IPC: B29C70/00 , B29B11/16 , B29C70/20 , B29C70/44 , B29K105/08
Abstract: Through-thickness permeable prepregs comprise a fiber bed and a plurality of discrete resin regions on a surface of the fiber bed separated by exposed fiber bed surface regions. Prepreg assemblies for processing such prepregs comprise an air permeable resin barrier material disposed over a surface of the prepreg opposite a forming tool. The air permeable resin barrier material is permeable to air or gas passing from the prepreg and is impermeable to resin passing from the prepreg. During processing, the prepreg assembly is subjected to a vacuum and elevated temperature to cure the resin and form a composite part. During processing, the air permeable resin barrier material prevents unwanted resin bleed from the prepreg, causing resin pressure in the prepreg to be maintained that reduces or eliminates unwanted formation or growth of internal voids to provide a composite part having a reduced degree of internal voids and pores.
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公开(公告)号:US11926710B2
公开(公告)日:2024-03-12
申请号:US16234062
申请日:2018-12-27
Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA
Inventor: Travis J. Williams , Steven Nutt , Yijia Ma , Carlos Navarro
IPC: C08J11/28 , B01J31/22 , B29B17/02 , C01B32/05 , C01B32/354 , C08K3/012 , C08K5/00 , C08K7/06 , D01F9/12 , C08K3/16 , C08K3/22 , D01F9/00
CPC classification number: C08J11/28 , B01J31/2217 , B29B17/0206 , C01B32/05 , C01B32/382 , C08K3/012 , C08K5/0033 , C08K7/06 , D01F9/12 , B01J2231/70 , B01J2531/0252 , B01J2531/16 , B01J2531/72 , B01J2531/74 , B01J2531/845 , C08J2363/00 , C08K3/16 , C08K3/22 , C08K5/0091 , D01F9/00 , C08K5/0033 , C08L63/00 , C08K7/06 , C08L63/00 , C08K3/012 , C08L63/00
Abstract: A method of aerobic depolymerization of fiber-reinforced polymer (FRP) composites using sustainable reagents and conditions. A cured matrix is digested into soluble monomers and oligomers by catalytic aerobic oxidation. Carbon fibers are removed for re-use, then the remaining material is treated and valuable monomers are isolated. The isolated monomers can be converted back into resin precursors for re-use. The method solves the problem created because the typically irreversible cure reaction impedes recycling and re-use of FRP composites.
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公开(公告)号:US20240050737A1
公开(公告)日:2024-02-15
申请号:US18234269
申请日:2023-08-15
Inventor: Yaniv Bar-Cohen , Gerald Loeb , Li Zhou , Raymond Peck , Steven Nutt
CPC classification number: A61N1/0587 , A61N1/3756 , A61N1/059 , A61N1/362 , A61N1/37205 , A61N1/37512 , A61N1/37288 , A61N1/3787
Abstract: The present invention provides an advancement in the art of cardiac pacemakers. The invention provides a novel and unobvious pacemaker system that comprises at least one pacemaker and that is, to a large extent, self-controlled, allows for long-term implantation in a patient, and minimizes current inconveniences and problems associated with battery life. The invention further includes a mechanism in which at least two pacemakers are implanted in a patient, and in which the pacemakers communicate with each other at the time of a given pacing or respiratory event, without any required external input, and adjust pacing parameters to respond to the patient's need for blood flow. The invention further provides a novel design for a pacemaker in which the pacemaker electrode is connected to the pacemaker body by a lead that is configured to allow the pacemaker to lie parallel to the epicardial surface and to reduce stress on the pacemaker and heart tissue.
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公开(公告)号:US11794377B2
公开(公告)日:2023-10-24
申请号:US17568664
申请日:2022-01-04
Applicant: University of Southern California
Inventor: Steven Nutt , Lessa Grunenfelder , Timotei Centea , Mark Anders , William Thomas Edwards , Sarah Grace Katz Schechter
IPC: B32B3/00 , B29B15/12 , B29C70/20 , B29C70/44 , C08J5/24 , B29K307/04 , B29K309/08
CPC classification number: B29B15/122 , B29C70/20 , B29C70/443 , C08J5/24 , B29K2307/04 , B29K2309/08 , C08J2361/10 , C08J2363/00 , C08J2375/04 , C08J2379/08
Abstract: Methods, apparatuses, and systems for making prepregs are disclosed. A method may include depositing a resin material onto a surface of a fiber bed and forming a number of discrete resin regions thereon. A distance between the resin regions may be measured to provide desired exposed portions of the surface to facilitate permeation of air through the exposed portions of the surface in a direction perpendicular to a plane of the fiber bed during a curing process of the prepreg.
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