Patents by Inventor Conrado de Leon
Conrado de Leon 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: 10490379Abstract: A surface mount fuse including a fuse body having a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity, and a cover including a main body disposed on the recessed shoulder and enclosing the interior cavity, first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith to secure the cover to the base, and a fusible element extending through the interior cavity and connected to the first and second terminals.Type: GrantFiled: March 26, 2019Date of Patent: November 26, 2019Assignee: LITTELFUSE, INC.Inventors: Conrado de Leon, Albert Enriquez
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Publication number: 20190221397Abstract: A surface mount fuse including a fuse body having a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity, and a cover including a main body disposed on the recessed shoulder and enclosing the interior cavity, first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith to secure the cover to the base, and a fusible element extending through the interior cavity and connected to the first and second terminals.Type: ApplicationFiled: March 26, 2019Publication date: July 18, 2019Applicant: Littelfuse, Inc.Inventors: Conrado de Leon, Albert Enriquez
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Patent number: 10325744Abstract: Hollow bodies and hollow body fuses are disclosed. Furthermore, methods to provide hollow bodies and hollow body fuses are disclosed. In one implementation, a hollow body includes a center portion and an end portion. An endcap may be coupled to the end portion. A cavity is formed between an inside surface of the endcap and an outer periphery of the end portion. A fusible element may be disposed within the hollow body, the fusible element may be further disposed within the cavity formed between the inside surface of the endcap and the outer periphery of the end portion, the fusible element traveling a substantially diagonal path through a center of the cavity.Type: GrantFiled: June 1, 2016Date of Patent: June 18, 2019Assignee: LITTELFUSE, INC.Inventors: Ped Peterson Bruan, Grace Miranda, Conrado De Leon
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Patent number: 10283307Abstract: A surface mount fuse including a fuse body having a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity, and a cover including a main body disposed on the recessed shoulder and enclosing the interior cavity, first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith to secure the cover to the base, and a fusible element extending through the interior cavity and connected to the first and second terminals.Type: GrantFiled: April 5, 2017Date of Patent: May 7, 2019Assignee: Littelfuse, Inc.Inventors: Conrado de Leon, Albert Enriquez
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Patent number: 10276338Abstract: Provided herein are protection devices, such as fuses, including a set of trenches or pockets for retention of solder therein. In some embodiments, a fuse includes a body including a center portion extending between a first and second end portions. The first end portion includes a first trench formed in a first end surface, and the second end portion includes a second trench formed in a second end surface. The fuse may further include a first and second endcaps surrounding respective first and second end portions. The fuse may include a fusible element disposed within a central cavity of the body, the fusible element extending between the first end surface and the second end surface. In some embodiments, solder may be disposed within the first trench and the second trench, wherein the solder is in contact with the fusible element, the first endcap, or the second endcap.Type: GrantFiled: September 11, 2017Date of Patent: April 30, 2019Assignee: LITTELFUSE, INC.Inventors: Ped Peterson Bruan, Grace Miranda, Conrado De Leon
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Patent number: 10181718Abstract: Provided herein are improved electrical circuit protection devices for protection against electrostatic discharge (ESD), the devices including a first support substrate, a first electrode and a second electrode formed on the first support substrate, wherein the first electrode and the second electrode are formed from a conductive material. The devices further include a first bonding pad disposed on the first and second electrode, the first bonding pad having a first cavity formed therein; a second support substrate disposed on the first bonding pad, the second support substrate having a second cavity formed therein, and a voltage variable material disposed within the first cavity and the second cavity and electrically connected to the first electrode and the second electrode. The devices further include a second bonding pad disposed on the second support substrate, and a third support substrate disposed on the second bonding pad.Type: GrantFiled: January 14, 2016Date of Patent: January 15, 2019Assignee: Littelfuse, Inc.Inventors: Conrado De Leon, Albert Enriquez, Editha Liquido, Crispin Zulueta
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Publication number: 20180294126Abstract: A surface mount fuse including a fuse body having a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity, and a cover including a main body disposed on the recessed shoulder and enclosing the interior cavity, first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith to secure the cover to the base, and a fusible element extending through the interior cavity and connected to the first and second terminals.Type: ApplicationFiled: April 5, 2017Publication date: October 11, 2018Applicant: Littelfuse, Inc.Inventors: Conrado de Leon, Albert Enriquez
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Publication number: 20180204700Abstract: A fuse including a tubular fuse body defining an interior cavity, and a fusible element describing a conical helix that tapers from a first end to a second end, the first end having a diameter that is larger than a diameter of the second end, wherein the first end of the fusible element abuts an end face of the fuse body with a portion of the fusible element extending into the interior cavity.Type: ApplicationFiled: January 17, 2017Publication date: July 19, 2018Applicant: Littelfuse, Inc.Inventors: Keon Mayson Brosas, Conrado de Leon, Albert Enriquez
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Publication number: 20170372862Abstract: Provided herein are protection devices, such as fuses, including a set of trenches or pockets for retention of solder therein. In some embodiments, a fuse includes a body including a center portion extending between a first and second end portions. The first end portion includes a first trench formed in a first end surface, and the second end portion includes a second trench formed in a second end surface. The fuse may further include a first and second endcaps surrounding respective first and second end portions. The fuse may include a fusible element disposed within a central cavity of the body, the fusible element extending between the first end surface and the second end surface. In some embodiments, solder may be disposed within the first trench and the second trench, wherein the solder is in contact with the fusible element, the first endcap, or the second endcap.Type: ApplicationFiled: September 11, 2017Publication date: December 28, 2017Applicant: LITTELFUSE, INC.Inventors: Ped Peterson Bruan, Grace Miranda, Conrado De Leon
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Publication number: 20170352514Abstract: Hollow bodies and hollow body fuses are disclosed. Furthermore, methods to provide hollow bodies and hollow body fuses are disclosed. In one implementation, a hollow body includes a center portion and an end portion. An endcap may be coupled to the end portion. A cavity is formed between an inside surface of the endcap and an outer periphery of the end portion. A fusible element may be disposed within the hollow body, the fusible element may be further disposed within the cavity formed between the inside surface of the endcap and the outer periphery of the end portion, the fusible element traveling a substantially diagonal path through a center of the cavity.Type: ApplicationFiled: June 1, 2016Publication date: December 7, 2017Applicant: LITTELFUSE, INC.Inventors: Ped Peterson Bruan, Grace Miranda, Conrado De Leon
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Publication number: 20170040134Abstract: An improved fuse including a fuse body formed of an electrically insulative material. The fuse body defines a cavity which extends from a first end of the fuse body to a second end of the fuse body. A fusible element is disposed within the cavity and extends from a first end face of the first end of the fuse body to a second end face of the second end of the fuse body. Insulated plugs are disposed within the cavity at the first and second ends of the fuse body wherein the plugs adhere to an interior surface of the fuse body and form seals that close the internal cavity. The fuse may further include end terminations that are applied to the ends of the fuse body in electrical contact with the fusible element.Type: ApplicationFiled: October 21, 2016Publication date: February 9, 2017Applicant: Littelfuse, Inc.Inventors: Dennis Arce, Simon Burgos, Marlon Daza, Restituto Dumaran, Conrado de Leon, Merjaycel Marquinez, Dan Onken, Janus Pagharion, Roel Retardo, Bienvenido Salonga, Crispin Zulueta
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Patent number: 9558905Abstract: An improved fuse including a fuse body formed of an electrically insulative material. The fuse body defines a cavity which extends from a first end of the fuse body to a second end of the fuse body. A fusible element is disposed within the cavity and extends from a first end face of the first end of the fuse body to a second end face of the second end of the fuse body. Insulated plugs are disposed within the cavity at the first and second ends of the fuse body wherein the plugs adhere to an interior surface of the fuse body and form seals that close the internal cavity. The fuse may further include end terminations that are applied to the ends of the fuse body in electrical contact with the fusible element.Type: GrantFiled: October 23, 2012Date of Patent: January 31, 2017Assignee: Littelfuse, Inc.Inventors: Dennis Arce, Simon Jude Burgos, Marlon Daza, Restituto Dumaran, Conrado de Leon, Merjaycel Marquinez, Dan Onken, Janus Pagharion, Roel Retardo, Bienvenido Salonga, Crispin Zulueta
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Publication number: 20160218502Abstract: Provided herein are improved electrical circuit protection devices for protection against electrostatic discharge (ESD), the devices including a first support substrate, a first electrode and a second electrode formed on the first support substrate, wherein the first electrode and the second electrode are formed from a conductive material. The devices further include a first bonding pad disposed on the first and second electrode, the first bonding pad having a first cavity formed therein; a second support substrate disposed on the first bonding pad, the second support substrate having a second cavity formed therein, and a voltage variable material disposed within the first cavity and the second cavity and electrically connected to the first electrode and the second electrode. The devices further include a second bonding pad disposed on the second support substrate, and a third support substrate disposed on the second bonding pad.Type: ApplicationFiled: January 14, 2016Publication date: July 28, 2016Applicant: LITTELFUSE, INC.Inventors: Conrado De Leon, Albert Enriquez, Editha Liquido, Crispin Zulueta
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Publication number: 20160005561Abstract: A fuse may include a layer stack comprising a plurality of layers defining an air gap, the layer stack including an inner layer. The inner layer may include an insulative substrate, and at least one fusible element connecting to a first terminal on a first end of the fuse and to a second terminal on a second end of the fuse. A first portion of the at least one fusible element may be disposed on a first planar surface of the insulative substrate and a second portion of the at least one fusible element disposed on a second planar surface of the insulative substrate opposite the first planar surface, wherein the first portion is electrically connected to the second portion through at least one via within the insulative substrate.Type: ApplicationFiled: September 17, 2015Publication date: January 7, 2016Applicant: LITTELFUSE, INC.Inventors: ALBERT ENRIQUEZ, CONRADO DE LEON
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Patent number: 8937524Abstract: A surface mount fuse in one embodiment includes an insulative body, first and second conductive and caps attached to the insulative body, each end cap defining an aperture, and a fuse element extending (i) through the insulative body and the apertures and (ii) along outside surfaces of the first and second conductive end caps in such a way that solder used to attach the first and second conductive end caps to an external medium also fastens the fuse element to the first and second end caps.Type: GrantFiled: March 25, 2009Date of Patent: January 20, 2015Assignee: Littelfuse, Inc.Inventors: Conrado de Leon, Gordon T. Dietsch, Edgardo Olan, John Emannuel Semana, John Song, Stephen J. Whitney
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Publication number: 20150009007Abstract: A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines a chamber having arc suppression material disposed therein. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer.Type: ApplicationFiled: September 23, 2014Publication date: January 8, 2015Applicant: LITTELFUSE, INC.Inventors: ALBERT ENRIQUEZ, DEMETRIO CRISTE, CONRADO DE LEON, CRISPIN ZULUETA, ROEL RETARDO, JOHN SEMANA, Gordon Todd Dietsch
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Publication number: 20140300444Abstract: A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines a chamber having arc suppression material disposed therein. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer.Type: ApplicationFiled: June 24, 2014Publication date: October 9, 2014Applicant: LITTELFUSE, INC.Inventors: ALBERT ENRIQUEZ, DEMETRIO CRISTE, CONRADO DE LEON, CRISPIN ZULUETA, ROEL RETARDO, JOHN SEMANA, Gordon Todd Dietsch
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Publication number: 20140266565Abstract: A compact, high breaking capacity fuse that includes a top insulative layer, at least one intermediate insulative layer, and a bottom insulative layer arranged in a vertically stacked configuration. The at least one intermediate layer may have a hole formed therethrough that defines an air gap within the fuse. A first conductive terminal may be formed on a first end of the fuse and a second conductive terminal may be formed on a second end of the fuse. At least one fusible element may connect the first terminal to the second terminal, thus providing an electrically conductive pathway therebetween. A portion of the at least one fusible element may pass through the air gap defined by the hole in the at least one intermediate insulative layer.Type: ApplicationFiled: April 15, 2014Publication date: September 18, 2014Applicant: LITTELFUSE, INC.Inventors: ALBERT ENRIQUEZ, DEMETRIO CRISTE, CONRADO DE LEON, CRISPIN ZULUETA, ROEL RETARDO, JOHN SEMANA, Gordon Todd Dietsch
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Publication number: 20100245025Abstract: A surface mount fuse in one embodiment includes an insulative body, first and second conductive and caps attached to the insulative body, each end cap defining an aperture, and a fuse element extending (i) through the insulative body and the apertures and (ii) along outside surfaces of the first and second conductive end caps in such a way that solder used to attach the first and second conductive end caps to an external medium also fastens the fuse element to the first and second end caps.Type: ApplicationFiled: March 25, 2009Publication date: September 30, 2010Applicant: Littelfuse, Inc.Inventors: Conrado de Leon, Gordon T. Dietsch, Edgardo Olan, John Emannuel Semana, John Song, Stephen J. Whitney