Patents by Inventor Diane R. Hammerstad
Diane R. Hammerstad 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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Publication number: 20210346885Abstract: In one example in accordance with the present disclosure, a cellular analytic system is described. The cellular analytic system includes an analytic device. The analytic device includes a chamber to receive a cell to be analyzed. At least one lysing element agitates the cell and at least one sensor detects a change in the cell based on an agitation of the cell. The cellular analytic system also includes a controller to determine a rupture threshold of the cell based on parameters of the agitation when a cell membrane ruptures.Type: ApplicationFiled: February 1, 2019Publication date: November 11, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Alexander Govyadinov, Viktor Shkolnikov, Diane R. Hammerstad
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Publication number: 20210331152Abstract: An example device includes a droplet ejector including a nozzle to eject droplets of a fluid and a target medium to receive the droplets of the fluid. The target medium is separated from the droplet ejector by a gap to be traversed by the droplets. The example device further includes a frame affixing the target medium to the droplet ejector. The target medium is immovably held with respect to the droplet ejector.Type: ApplicationFiled: July 17, 2018Publication date: October 28, 2021Inventors: Pavel KORNILOVICH, John LAHMANN, Alexander GOVYADINOV, Diane R HAMMERSTAD
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Publication number: 20210331482Abstract: An example device includes a first substrate including a first array of droplet ejectors to eject droplets of a first fluid. The example device further includes a first target medium immovably positioned relative to the first substrate to receive droplets of the first fluid from a first subset of droplet ejectors of the first array of droplet ejectors. A second subset of droplet ejectors of the first array of droplet ejectors is positioned to eject droplets of the first fluid to miss the first target medium.Type: ApplicationFiled: July 17, 2018Publication date: October 28, 2021Inventors: Alexander Govyadinov, Pavel Kornilovich, Diane R Hammerstad
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Patent number: 11135579Abstract: An apparatus includes a media that includes an encoded pattern to indicate a location of each of a plurality of dispensing locations on a receiving area for a pipette dispenser. The encoded pattern is employed to guide the pipette dispenser to dispense a volume to a selected dispensing location from the plurality of dispensing locations based on a predetermined dispensing location on the receiving area.Type: GrantFiled: July 13, 2016Date of Patent: October 5, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Diane R. Hammerstad, Matthew David Smith, Hilary Ely
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Patent number: 11136703Abstract: Example implementations relate to a mixing chamber for laundry supplies. For example, an appliance may include a mixing chamber to receive at least one laundry supply and a processor coupled to the mixing chamber. The processor is to identify a user-specified setting associated with a laundry load, determine a characteristic of the laundry load, calculate an amount of the at least one laundry supply to apply to the laundry load based on the user-specified setting and the characteristic, and provide the amount of the at least one laundry supply to the mixing chamber, where the mixing chamber is to mix the amount of the at least one laundry supply.Type: GrantFiled: April 8, 2016Date of Patent: October 5, 2021Assignee: Hewlett-Packard Development Company, L.P.Inventors: Michael W Cumbie, David Olsen, Diane R Hammerstad, Eric M Laplante
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Publication number: 20210238537Abstract: In one example in accordance with the present disclosure, a conductivity-based lysis monitor is described. The lysis monitoring device includes a lysing chamber to receive a cell to be lysed and at least one lysing device to rupture a cell membrane. At least one pair of electrodes are disposed in the lysing chamber to detect a level of conductivity in the lysing chamber. A controller of the device determines when the cell membrane has ruptured based on detected levels of conductivity in the lysing chamber.Type: ApplicationFiled: August 10, 2018Publication date: August 5, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Alexander Govyadinov, Diane R. Hammerstad, Viktor Shkolnikov
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Publication number: 20210165007Abstract: In one example in accordance with the present disclosure, a fluidic die is described. The fluidic die includes a plurality of ejection subassemblies. Each ejection subassembly includes an ejection chamber to hold a volume of fluid and an opening through which the volume of fluid is ejected via a fluid actuator. A pitch of the ejection subassemblies aligns with a spatial arrangement of nanowells in an array of nanowells on a substrate.Type: ApplicationFiled: June 4, 2018Publication date: June 3, 2021Applicant: Hewlett-Packard Development Company, L.P.Inventors: Jeffrey A. NIELSEN, Christie DUDENHOEFER, Debora J. THOMAS, Roberto A. PUGLIESE, Diane R. HAMMERSTAD
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Publication number: 20210096147Abstract: A reagent module may include a first reagent dispensing device to dispense a first range of volumes of a first reagent, and a second reagent dispensing device to dispense a second range of volumes of a second reagent where the second range of volumes is more voluminous relative to the first range of volumes. The reagent dispensing system may further include a third reagent dispensing device to dispense a third range of volumes of a third reagent where the third range of volumes is more voluminous relative to the second range of volumes.Type: ApplicationFiled: July 18, 2017Publication date: April 1, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Christie Dudenhoefer, Jeffrey A. Nielsen, Diane R. Hammerstad, Heather B. Louderback
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Publication number: 20210072274Abstract: A microfluidic flow sensor may include a substrate having a microfluidic channel, an inert particle source to supply a fluid carrying an inert particle to the microfluidic channel and a sensor element along the microfluidic channel and spaced from the inert particle source. The sensor element outputs a signal based upon a sensed passage of the inert particle with respect to the sensor element. Portions of the microfluidic channel proximate the sensor element have a first size and wherein the inert particle provided by the inert particle source is to have a second size greater than one half the first size.Type: ApplicationFiled: February 12, 2018Publication date: March 11, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Alexander N. GOVYADINOV, Pavel KORNILOVICH, Diane R. HAMMERSTAD
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Publication number: 20210069708Abstract: A microfluidic flow sensor may include a substrate having a microfluidic channel, a bubble generator to introduce a bubble into fluid that is directed through the microfluidic channel and a sensor element along the microfluidic channel and spaced from the bubble generator. The sensor element outputs a signal based upon a sensed passage of the bubble with respect to the sensor element. Portions of the microfluidic channel proximate the sensor element have a first size and wherein the bubble generated by the bubble generator is to have a second size greater than one half the first size.Type: ApplicationFiled: February 12, 2018Publication date: March 11, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Alexander N. GOVYADINOV, Pavel KORNILOVICH, Diane R. HAMMERSTAD
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Publication number: 20210053278Abstract: In one example, a processor readable medium having instructions thereon that when executed cause an additive manufacturing machine to vary operating characteristics of a fusing laser beam at multiple different voxel locations in a layer of build material according to an energy dosage to be applied at each voxel location in an object slice, including multiple different energy dosages for corresponding multiple different voxel locations in the slice.Type: ApplicationFiled: March 29, 2017Publication date: February 25, 2021Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Cary G. ADDINGTON, David A. CHAMPION, Mohammed S. SHAARAWI, James McKINNELL, Diane R. HAMMERSTAD
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Publication number: 20200224145Abstract: An electroporation system may include a well plate, a dispenser and a dispenser-well positioning system. The well plate may include wells, each of the wells including an interior, a first electrode adjacent the interior and a second electrode adjacent the interior and spaced from the first electrode. The first electrode and the second electrode are to apply an electrostatic field across the well. The dispenser is to dispense a cell having a diameter into each of the wells. The dispenser-well positioning system is to align each well and the dispenser such that the dispenser dispenses the cell into each well at a location spaced from the first electrode and the second electrode by a distance of at least 5 times the diameter of the cell.Type: ApplicationFiled: September 23, 2017Publication date: July 16, 2020Inventors: Viktor Shkolnikov, Diane R. Hammerstad, Michael W. Cumbie
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Publication number: 20200191815Abstract: A reagent dispensing system, in an example, may include a processing device, a data storage device coupled to the processing device, a plurality of swappable reagent modules, each swappable reagent module comprising a plurality of reagent dispensing cartridges, and a module frame coupling the reagent cartridges to one another.Type: ApplicationFiled: July 18, 2017Publication date: June 18, 2020Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Dennis R. Esterberg, Craig Olbrich, Christie Dudenhoefer, Diane R. Hammerstad, Heather B. Louderback, Suzanne Mirashrafi
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Publication number: 20200041532Abstract: A reagent deposition area of a reagent dispensing system may include a dispersion bar located above a conveyor system, and a reagent module coupled to the dispersion bar. The reagent module may include at least one reagent dispensing device to dispense a number of reagents on a substrate carried on the conveyor system, and a module frame electrically and mechanically coupling the reagent dispensing device to the reagent dispensing system. The dispersion bar moves the reagent module in two coordinate directions planar with the surface of the substrate.Type: ApplicationFiled: July 18, 2017Publication date: February 6, 2020Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Heather B. Louderback, Diane R. Hammerstad, Jeffrey A. Nielsen
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Publication number: 20190299176Abstract: Examples include microfluidic devices. Example microfluidic devices comprise a first microfluidic channel, a second microfluidic channel, and microfluidic output channel fluidly coupled to the first microfluidic channel and the second microfluidic channel via a fluid junction. The example device comprises a first fluid actuator disposed in the first microfluidic channel to actuate to thereby pump a first fluid into the microfluidic output channel, and the example device comprises a second fluid actuator disposed in the second microfluidic channel to actuate to pump a second fluid into the microfluidic output channel. The first fluid actuator and the second fluid actuator are to actuate to thereby pump a fluid mixture of the first fluid and the second fluid into the microfluidic output channel.Type: ApplicationFiled: June 30, 2017Publication date: October 3, 2019Applicant: Hewlett-Packard Development Company, L.P.Inventors: David MARKEL, Pavel KORNILOVICH, Erik D TORNIAINEN, Alexander GOVYADINOV, Viktor SHKOLNIKOV, Diane R HAMMERSTAD, Ning GE
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Patent number: 10384450Abstract: In one example, an inkjet printhead includes a printhead die embedded in a molding having a channel therein through which fluid may flow directly to the die. The die contains multiple fluid ejectors and multiple fluid chambers each near an ejector. Each chamber has an inlet through which fluid from the channel may enter the chamber and an outlet through which fluid may be ejected from the chamber. A perimeter of the channel surrounds the inlets but is otherwise unconstrained in size by the size of the die.Type: GrantFiled: January 28, 2019Date of Patent: August 20, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Chien-Hua Chen, Michael W. Cumbie, Diane R. Hammerstad
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Patent number: 10365226Abstract: Provided in one example is an apparatus, including a substrate supporting a microfluidic channel, a bubble jet inertial pump supported by the substrate adjacent the microfluidic channel to pump fluid through the microfluidic channel and an optical sensor on a first side of the microfluidic channel. A light emitter on a second side of the microfluidic channel is to pass light across the microfluidic channel to the optical sensor.Type: GrantFiled: April 30, 2015Date of Patent: July 30, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Alexander Govyadinov, Charles M. Santori, Anita Rogacs, Diane R. Hammerstad, Manish Giri
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Patent number: 10348923Abstract: A printer is operable to implement one of a subscription configuration or trade use configuration. The printer can implement one of the subscription configuration or trade use configuration. When the subscription configuration is implemented, the printer restrictively controls, at least temporarily, use of the printing material resource that is installed on the printer. When the trade use configuration is implemented, the printer provides for less or no control over the use of the printing material resource.Type: GrantFiled: August 18, 2015Date of Patent: July 9, 2019Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sovrin T Tolia, Rowdy K Webb, Philip A Mccoog, Diane R Hammerstad
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Patent number: 10328694Abstract: A printed circuit board includes a recessed pocket. A fluid droplet ejection die is within recessed pocket.Type: GrantFiled: July 31, 2015Date of Patent: June 25, 2019Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Chien Hua Chen, Diane R Hammerstad, Randy Hoffman
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Publication number: 20190151849Abstract: According to an example, a microfluidic apparatus may include a channel, a foyer, in which the foyer is in fluid communication with the channel and in which the channel has a smaller width than the foyer, a sensor to sense a property of a fluid passing through the channel, a nozzle in fluid communication with the foyer, and an actuator positioned in line with the nozzle. The microfluidic apparatus may also include a controller to determine whether the sensed property of the fluid meets a predetermined condition and to perform a predefined action in response to the sensed property of the fluid meeting the predetermined condition.Type: ApplicationFiled: July 26, 2016Publication date: May 23, 2019Inventors: Jeffrey A NIELSEN, Manish GIRI, Chantelle DOMINGUE, Kenneth WARD, Christie DUDENHOEFER, Matthew David SMITH, Joshua M. YU, Diane R. HAMMERSTAD, Hilary ELY