Patents by Inventor Melinda M. Valencia
Melinda M. Valencia 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: 11486839Abstract: A diagnostic cassette includes a substrate, to physically and electrically connect the product to a computing device, a reservoir defined within the substrate to receive a fluid sample for processing by the diagnostic cassette, a reagent to react with the fluid sample deposited in the reservoir to form a solution to enable processing of the fluid sample by the diagnostic cassette, a channel to direct the solution, and a sensor to measure a number of parameters of the solution passing through the channel. A method for measuring microfluidic samples includes receiving, in a reservoir, a fluid sample to be measured, combining the fluid sample with a reagent to create a solution, moving the solution through a channel, and measuring the solution, using sensors, as the solution passes through the channel.Type: GrantFiled: April 25, 2014Date of Patent: November 1, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Nicholas Matthew Cooper McGuinness, Manish Giri, Chantelle Elizabeth Domingue, Melinda M. Valencia, Jeremy Sells
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Patent number: 11369956Abstract: A system may comprise a voltage upconverter, a universal serial bus (USB) connector to receive an input voltage from a USB port on a computing device, and a microfluidic diagnostic chip communication link to electrically couple the voltage upconverter to a microfluidic diagnostic chip wherein the voltage upconverter is to convert the input voltage to be received by the USB connector to an output voltage sufficient to drive a pump on the microfluidic diagnostic chip. A diagnostic system may comprise a microfluidic diagnostic chip comprising a pump and a voltage upconverter to receive an input voltage from a universal serial bus (USB) port of a computing device and to convert the input voltage into an output voltage that powers activation of the pump.Type: GrantFiled: January 30, 2015Date of Patent: June 28, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Manish Giri, Melinda M. Valencia, Matthew David Smith, Sirena Lu, Joshua M Yu, Sadig Bengali
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Patent number: 11230055Abstract: An additive manufacturing system may include a fluid ejector. The fluid ejector may be movable across a build material distributor at a maximum speed of less than or equal to 40 inches per second. The fluid ejector may include a nozzle having a non-circular bore.Type: GrantFiled: October 7, 2016Date of Patent: January 25, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Oriol Borrell Carbonell, Melinda M Valencia, Andre Garcia, Thomas M Sabo
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Patent number: 11035814Abstract: A method of microfluidic detection can include detecting, using an impedance sensor, an impedance of a fluid to indicate whether a threshold amount of fluid has been received in a reservoir of a microfluidic chip. The method can include initiating a test performed by the microfluidic chip on the received fluid when the threshold amount of fluid has been received.Type: GrantFiled: January 30, 2015Date of Patent: June 15, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jeremy Sells, Chantelle E. Domingue, Manish Giri, Melinda M. Valencia
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Patent number: 10953397Abstract: A system may comprise a voltage upconverter, a universal serial bus (USB) connector to receive an input voltage from a USB port on a computing device, and a microfluidic diagnostic chip communication link to electrically couple the voltage upconverter to a microfluidic diagnostic chip wherein the voltage upconverter is to convert the input voltage to be received by the USB connector to an output voltage sufficient to drive a pump on the microfluidic diagnostic chip. A diagnostic system may comprise a microfluidic diagnostic chip comprising a pump and a voltage upconverter to receive an input voltage from a universal serial bus (USB) port of a computing device and to convert the input voltage into an output voltage that powers activation of the pump.Type: GrantFiled: January 30, 2015Date of Patent: March 23, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Melinda M. Valencia, Sirena Lu, Chantelle Elizabeth Domingue, Jeremy Sells
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Patent number: 10913066Abstract: A microfluidic diagnostic chip may comprise a microfluidic channel, a functionalizable enzymatic sensor in the microfluidic channel, the functionalizable enzymatic sensor comprising a binding surface to bind with a biomarker in a fluid, and a microfluidic pump to pass the fluid over the binding surface. A microfluidic device may comprise a number of pumps to pump a fluid though the number of microfluidic channels and a number of microfluidic channels comprising at least one sensor to detect a change in a chemical characteristic of the fluid in response to presence of the fluid on the sensor.Type: GrantFiled: January 30, 2015Date of Patent: February 9, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Manish Giri, Chantelle Elizabeth Domingue, Nicholas Matthew Cooper McGuinness, Jeremy Sells, Sirena Lu, Melinda M. Valencia
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Publication number: 20200307080Abstract: An additive manufacturing system may include a fluid ejector. The fluid ejector may be movable across a build material distributor at a maximum speed of less than or equal to 40 inches per second. The fluid ejector may include a nozzle having a non-circular bore.Type: ApplicationFiled: October 7, 2016Publication date: October 1, 2020Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Oriol Borrell Carbonell, Melinda M Valencia, Andre Garcia, Thomas M Sabo
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Patent number: 10725019Abstract: Example implementations relate to coagulation sensing. For example, a microfluidic chip for coagulation sensing may include a microfluidic channel, an outlet at an end of the microfluidic channel having an air interface, and an impedance sensor located within the microfluidic channel and within a particular proximity to the air interface, the impedance sensor to determine a stage of a coagulation cascade of a blood sample flowing through the microfluidic channel to the impedance sensor.Type: GrantFiled: January 30, 2015Date of Patent: July 28, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Melinda M Valencia, Chantelle E Domingue, Jeremy Sells, Manish Giri, Sadiq Bengali
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Patent number: 10639633Abstract: A controller is connected to controlled devices on a microfluidic chip with a multiplexer. Signal transmission band width is differently allocated amongst the plurality of controlled devices on the microfluidic chip.Type: GrantFiled: January 30, 2015Date of Patent: May 5, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sirena C. Lu, Manish Giri, Matthew David Smith, Melinda M. Valencia
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Patent number: 10632747Abstract: A fluid ejection device includes a fluid ejection chamber, a drop ejecting element communicated with the fluid ejection chamber, an orifice communicated with the fluid ejection chamber, a fluid passage between the fluid ejection chamber and the orifice, and a structure in the fluid passage between the fluid ejection chamber and the orifice.Type: GrantFiled: October 14, 2016Date of Patent: April 28, 2020Assignee: Hewlett-Packard Development Company, L.P.Inventors: Hector J Lebron, Melinda M Valencia
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Patent number: 10493757Abstract: Printheads and methods for forming printheads are described herein. In one example, a printhead includes a number of drop generators, wherein a pitch between each adjacent drop generator is substantially the same, and the drop generators alternate between a high drop weight (HDW) drop generator and a low drop weight (LDW) drop generator. The printhead also includes a flow channel from an ink source leading into an ejection chamber associated with each drop generator, wherein the flow channel comprises an inflow region proximate to the ink source, wherein an area of the inflow region is adjusted to control the flux of ink into the ejection chamber.Type: GrantFiled: October 30, 2014Date of Patent: December 3, 2019Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Lawrence H White, Melinda M Valencia, Michael Hager
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Patent number: 10495594Abstract: A controller outputs control signals controlling a frequency source to selectively apply different nonzero frequencies of alternating current at different times to an electric sensor within a microfluidic channel.Type: GrantFiled: January 30, 2015Date of Patent: December 3, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sirena C. Lu, Melinda M. Valencia, Jeremy Sells, Manish Giri
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Patent number: 10473605Abstract: A fluid testing system comprises controlling hardware that serves to control an electric sensor on a fluid testing cassette. In one implementation, the controlling hardware is part of a cassette interface. In another implementation, the controlling hardware is part of the portable electronic device. In one implementation, the fluid testing system applies two different frequencies of alternating current are applied to two different electric sensors.Type: GrantFiled: January 30, 2015Date of Patent: November 12, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sirena C. Lu, Melinda M. Valencia, Jeremy Sells, Manish Giri
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Publication number: 20190224969Abstract: A fluid ejection device includes a fluid ejection chamber, a drop ejecting element communicated with the fluid ejection chamber, an orifice communicated with the fluid ejection chamber, a fluid passage between the fluid ejection chamber and the orifice, and a structure in the fluid passage between the fluid ejection chamber and the orifice.Type: ApplicationFiled: October 14, 2016Publication date: July 25, 2019Applicant: Hewlett-Packard Development Company, L.P.Inventors: Hector J LEBRON, Melinda M VALENCIA
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Patent number: 10272428Abstract: A microfluidic device can include: a channel; a fluid inlet to pass fluid into the channel from a reservoir; a sensor disposed in the channel; and a pump actuator disposed in the channel apart from the sensor to induce fluid flow into the channel.Type: GrantFiled: April 30, 2013Date of Patent: April 30, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Nicholas M. McGuinness, Manish Giri, Melinda M. Valencia, Chantelle Domingue, Andrew L. Van Brocklin, Dustin W. Blair
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Patent number: 10241066Abstract: A microfluidic sensing device comprises a channel and an impedance sensor within the channel. The impedance sensor comprises a local ground and an electrode within the channel. The local ground and the electrode are to form an electric field region that is elongated along the channel.Type: GrantFiled: January 30, 2014Date of Patent: March 26, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Nicholas Matthew Cooper McGuinness, Melinda M. Valencia, Manish Giri, Chantelle Elizabeth Domingue, Jeremy Sells, Matthew David Smith
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Publication number: 20180264470Abstract: A controller is connected to controlled devices on a microfluidic chip with a multiplexer. Signal transmission band width is differently allocated amongst the plurality of controlled devices on the microfluidic chip.Type: ApplicationFiled: January 30, 2015Publication date: September 20, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Sirena Lu, Manish Giri, Matthew David Smith, Melinda M. Valencia
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Publication number: 20180021776Abstract: A system may comprise a voltage upconverter, a universal serial bus (USB) connector to receive an input voltage from a USB port on a computing device, and a microfluidic diagnostic chip communication link to electrically couple the voltage upconverter to a microfluidic diagnostic chip wherein the voltage upconverter is to convert the input voltage to be received by the USB connector to an output voltage sufficient to drive a pump on the microfluidic diagnostic chip. A diagnostic system may comprise a microfluidic diagnostic chip comprising a pump and a voltage upconverter to receive an input voltage from a universal serial bus (USB) port of a computing device and to convert the input voltage into an output voltage that powers activation of the pump.Type: ApplicationFiled: January 30, 2015Publication date: January 25, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Manish Giri, Melinda M. Valencia, Matthew David Smith, Sirena Lu, Joshua M Yu, Sadig Bengali
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Publication number: 20180015461Abstract: A system may comprise a voltage upconverter, a universal serial bus (USB) connector to receive an input voltage from a USB port on a computing device, and a microfluidic diagnostic chip communication link to electrically couple the voltage upconverter to a microfluidic diagnostic chip wherein the voltage upconverter is to convert the input voltage to be received by the USB connector to an output voltage sufficient to drive a pump on the microfluidic diagnostic chip. A diagnostic system may comprise a microfluidic diagnostic chip comprising a pump and a voltage upconverter to receive an input voltage from a universal serial bus (USB) port of a computing device and to convert the input voltage into an output voltage that powers activation of the pump.Type: ApplicationFiled: January 30, 2015Publication date: January 18, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Manish Giri, Melinda M. Valencia, Matthew David Smith, Sirena Lu, Joshua M Yu, Sadig Bengali
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Publication number: 20180011042Abstract: A method of microfluidic detection can include detecting, using an impedance sensor, an impedance of a fluid to indicate whether a threshold amount of fluid has been received in a reservoir of a microfluidic chip. The method can include initiating a test performed by the microfluidic chip on the received fluid when the threshold amount of fluid has been received.Type: ApplicationFiled: January 30, 2015Publication date: January 11, 2018Applicant: Hewlett-Packard Development Company, L.P.Inventors: Jeremy Sells, Chantelle E. Domingue, Manish Giri, Melinda M. Valencia