Patents by Inventor Mark D. Johnson
Mark D. Johnson 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: 20220283183Abstract: Aspects of the disclosure relate to methods and compositions for diagnosing and/or treating idiopathic Normal Pressure Hydrocephalus (iNPH). In some embodiments, the methods comprise detecting a level of Cwh43 gene expression or Cwh43 protein in a subject and administering to the subject one or more therapies to treat iNPH based upon the level of the Cwh43 gene expression or Cwh43 protein compared to a control sample.Type: ApplicationFiled: August 12, 2020Publication date: September 8, 2022Applicant: University of MassachusettsInventor: Mark D. Johnson
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Patent number: 10074191Abstract: A system and method for determining volume of a runtime object with a vision system is provided. A plurality of vision sensors are arranged so that the fields of view (FOVs) of the plurality of vision sensors collectively view features associated with volume determination of a runtime object. Each of the displacement sensors generates range images from sequences of analyzed images, each producing a single row of the range image. An ignoring volume is subtracted from the measured range image based upon one or more dividing planes as they appear in the viewing/imaging perspective of each displacement sensor. Negative subtraction results are substantially nulled. The resulting representative range images are used to calculate the volume of a portion of the object, as sectioned by the diving planes. Each volume result is summed/added to derive the overall summed volume of the runtime object.Type: GrantFiled: June 27, 2016Date of Patent: September 11, 2018Assignee: COGNEX CORPORATIONInventors: Matthew R. Reome, Mark D. Johnson, Mikhail Akopyan
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Patent number: 9988186Abstract: A tool storage device stores tools and provides a work surface attachable to a railing of a lift. The device includes a top wall extending from a front side of a box to define a seat with a front side of the box. The seat abuts a railing on a lift such that the box is supported on and positioned against the railing. Each of a pair of tethers is elongated and coupled to the box for extending around the railing and being secured to hold the box to the railing. A front opening into an interior space of the box provides access to the interior space to a person supported on the lift.Type: GrantFiled: November 30, 2016Date of Patent: June 5, 2018Inventor: Mark D. Johnson
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Publication number: 20180148224Abstract: A tool storage device stores tools and provides a work surface attachable to a railing of a lift. The device includes a top wall extending from a front side of a box to define a seat with a front side of the box. The seat abuts a railing on a lift such that the box is supported on and positioned against the railing. Each of a pair of tethers is elongated and coupled to the box for extending around the railing and being secured to hold the box to the railing. A front opening into an interior space of the box provides access to the interior space to a person supported on the lift.Type: ApplicationFiled: November 30, 2016Publication date: May 31, 2018Inventor: Mark D. Johnson
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Patent number: 8459070Abstract: A combination locking arrangement includes a locking member, a locking lever connected to the locking member; and at least first and second tumbler discs rotatable about a tumbler disc axis. When each of the tumbler discs is rotated to an unlocking orientation, the locking lever engages aligned recesses in the tumbler discs, such that further rotation of the tumbler discs moves the locking member from the locking position to the releasing position. A dial is rotatable about the tumbler disc axis for selective rotation of the tumbler discs, and includes a drive portion rotationally secured in interlocking engagement with the first tumbler disc in one of a plurality of code selecting orientations. The locking lever includes a disc securing portion positioned to prevent axial disengagement of the first tumbler disc from the dial drive portion when the locking lever is engaged with the aligned recesses in the tumbler discs.Type: GrantFiled: February 28, 2011Date of Patent: June 11, 2013Assignee: Master Lock Company LLCInventors: Mark D. Johnson, Rafael Hiram Gutierrez Medina
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Publication number: 20110209506Abstract: A combination locking arrangement includes a locking member, a locking lever connected to the locking member; and at least first and second tumbler discs rotatable about a tumbler disc axis. When each of the tumbler discs is rotated to an unlocking orientation, the locking lever engages aligned recesses in the tumbler discs, such that further rotation of the tumbler discs moves the locking member from the locking position to the releasing position. A dial is rotatable about the tumbler disc axis for selective rotation of the tumbler discs, and includes a drive portion rotationally secured in interlocking engagement with the first tumbler disc in one of a plurality of code selecting orientations. The locking lever includes a disc securing portion positioned to prevent axial disengagement of the first tumbler disc from the dial drive portion when the locking lever is engaged with the aligned recesses in the tumbler discs.Type: ApplicationFiled: February 28, 2011Publication date: September 1, 2011Applicant: MASTER LOCK COMPANY LLCInventors: Mark D. Johnson, Rafael Hiram Gutierrez Medina
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Patent number: 7497705Abstract: A lockout device is provided for an electrical plug. The device includes a body and a retaining member disposed within the body and axially movable between a prong retaining position and a prong releasing position. The retaining member includes a prong engaging portion and a prong retaining portion. The prong engaging portion is configured to engage at least one of the first and second prongs when the first prong is inserted in the first slot for movement of the retaining member from the prong releasing position to the prong retaining position. The prong retaining portion is configured to extend through the first transverse aperture when the first prong is inserted in the first slot, and is configured to withdraw from the first transverse aperture when the first prong is pulled from the first slot.Type: GrantFiled: September 12, 2007Date of Patent: March 3, 2009Assignee: Master Lock Company LLCInventors: Dwayne Larson, Michael Brojanac, Joe Elliott, Mark D. Johnson
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Patent number: 7474537Abstract: A circuit board includes a substrate defining a substantially planar surface, a first electrical component, a second electrical component, and an interconnect. The first electrical component is coupled to the substrate. The second electrical component is spaced from the first electrical component and is coupled to the substrate. The interconnect is formed on the substantially planar surface of the substrate and extends between the first electrical component and the second electrical component. The interconnect is formed by at least two layers of a conductive material.Type: GrantFiled: August 30, 2005Date of Patent: January 6, 2009Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.Inventors: Mark D. Johnson, Michael G. Kelly, Jeffrey P. Tobin, William H. Sisson
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Publication number: 20080201158Abstract: A method of managing visitation includes accessing a visitation control system including a visitation session scheduling interface, communications devices, a switching interface, and at least one authentication interface, defining rules governing visitation, requesting a visitation session using the scheduling interface, assessing whether the visitation session complies with the rules governing visitation, scheduling the visitation session if the visitation session complies with the rules, using the at least one authentication interface to authenticate a first party and a second party, establishing communication between the first party and the second party after authenticating both parties, and storing a record of the visitation session in a database. The record preferably includes at least information regarding identities of the first party and the second party. The visitation session may also be monitored (e.g., in real time, near real time, or by recording).Type: ApplicationFiled: June 29, 2007Publication date: August 21, 2008Inventors: Mark D. Johnson, James P. Rokosky, Joshua Dom, John P. Dale
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Publication number: 20080180389Abstract: An interconnect for connecting an integrated circuit to an optical interface subsystem includes a first optical transmitter disposed in the integrated circuit and operable to transmit light signals to the optical interface subsystem, a first optical receiver disposed in the optical interface subsystem and operable to receive light signals from the first optical transmitter, a second optical transmitter disposed in the optical interface subsystem and operable to transmit light signals to the integrated circuit, and a second optical receiver disposed in the integrated circuit and operable to receive light signals from the second optical transmitter.Type: ApplicationFiled: January 26, 2007Publication date: July 31, 2008Inventors: Michael Kelly, Jeffrey P. Tobin, William Sission, Mark D. Johnson
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Patent number: 7359198Abstract: A method for cooling a circuit comprises generating movement of fluid along a path through a closed-loop system. The method further comprises inducing turbulence in the fluid by movement of at least a portion of a turbulence-inducing device arranged in the path, and dissipating thermal energy from the circuit by the fluid. A system comprises a circuit, and a closed-loop cooling system comprising fluid for cooling the circuit and at least one active turbulence-inducing device. In one embodiment, the turbulence-inducing device is a microelectromechanical system (MEMS) device. In one embodiment, the MEMS device is solely responsible for bulk fluid movement through the closed-loop cooling system.Type: GrantFiled: September 29, 2005Date of Patent: April 15, 2008Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.Inventors: Michael G. Kelly, Mark D. Johnson, William H. Sisson, Jeffrey P. Tobin
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Patent number: 7313945Abstract: A system for sensing a property of a fluid comprises a fluid channel operable to receive the fluid therein, a flexible arm having a free end positioned within at least a portion of the fluid channel, a fluid actuator disposed sufficiently close to the flexible arm such that actuation of the fluid actuator induces movement of the flexible arm when the fluid is present, and a deflection sensing system operable to quantifiably detect movement of the flexible arm.Type: GrantFiled: October 31, 2005Date of Patent: January 1, 2008Assignee: Hewlett-Packard Development Company, L.P.Inventors: Manish Giri, Mark Sanders Taylor, Sriram Ramamoorthi, Jeremy Harlan Donaldson, Joshua Yu, Mark D. Johnson
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Publication number: 20070047213Abstract: A circuit board includes a substrate defining a substantially planar surface, a first electrical component, a second electrical component, and an interconnect. The first electrical component is coupled to the substrate. The second electrical component is spaced from the first electrical component and is coupled to the substrate. The interconnect is formed on the substantially planar surface of the substrate and extends between the first electrical component and the second electrical component. The interconnect is formed by at least two layers of a conductive material.Type: ApplicationFiled: August 30, 2005Publication date: March 1, 2007Inventors: Mark D. Johnson, Michael G. Kelly, Jeffrey P. Tobin, William H. Sisson
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Publication number: 20030184150Abstract: A single check manifold is provided for use with a trailer pressure control module in an electronically controlled braking system. The manifold has a valve body defining three distinct chambers. Two of the chambers communicate with air reservoirs and the third chamber communicates with the other two chambers and the trailer pressure control module. Separate elastomeric ball members serve as independently operating check valves for the individual pneumatic supply lines extending from the primary and secondary reservoirs that provide pressurized air for the trailer brakes and auxiliary devices associated therewith.Type: ApplicationFiled: March 28, 2002Publication date: October 2, 2003Inventors: Thomas S. Legeza, Mark D. Johnson
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Publication number: 20020100311Abstract: An oil in air test apparatus measures the quantity of oil vapor entrained in the air stream from an air compressor used to generate compressed air for a vehicle air brake system. Testing is accomplished while the air compressor is in service and mounted onto the engine of the vehicle. The test apparatus creates back pressure to simulate an operating load on the air compressor, and passes an air stream through a disposable oil in air indicator cartridge to capture oil entrained in the air stream. Visual examination of the indicator cartridge is utilized to determine the operation condition of the air compressor. The test apparatus allows the operator to determine whether or not the quantity of oil vapor carried over in the compressed air is within acceptable warranty tolerances. As a result, unnecessary warranty calls for air compressors which are passing oil within normal tolerances are prevented.Type: ApplicationFiled: January 7, 2000Publication date: August 1, 2002Inventors: ESLEY EDDY, JOHN MAYER, MARK D. JOHNSON, JOHN A. KINSLEY, GENE GILBERT
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Patent number: 6195676Abstract: An integrated software architecture for a highly parallel multiprocessor system having multiple tightly-coupled processors that share a common memory efficiently controls the interface with and execution of programs on such a multiprocessor system. The software architecture combines a symmetrically integrated multithreaded operating system and an integrated parallel user environment. The operating system distributively implements an anarchy-based scheduling model for the scheduling of processes and resources by allowing each processor to access a single image of the operating system stored in the common memory that operates on a common set of operating system shared resources. The user environment provides a common visual representation for a plurality of program development tools that provide compilation, execution and debugging capabilities for multithreaded user programs and assumes parallelism as the standard mode of operation.Type: GrantFiled: January 11, 1993Date of Patent: February 27, 2001Assignee: Silicon Graphics, Inc.Inventors: George A. Spix, Diane M. Wengelski, Stuart W. Hawkinson, Mark D. Johnson, Jeremiah D. Burke, Keith J. Thompson, Gregory G. Gaertner, Giacomo G. Brussino, Richard E. Hessel, David M. Barkai, Steve S. Chen, Steven G. Oslon, Robert E. Strout, II, Jon A. Masamitsu, David M. Cox, Linda J. O'Gara, Kelly T. O'Hair, David A. Seberger, James C. Rasbold, Timothy J. Cramer, Don A. Van Dyke, Ashok Chandramouli
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Patent number: 5304141Abstract: The present invention provides apparatus and methods for introducing spinal anesthesia directly into the subarachnoid space of a patient. One apparatus and method utilizes a small gauge spinal needle for penetrating the dura; the other utilizes a small gauge catheter with an internal stylet having a non-piercing pencil point to spread apart the filaments of the dura wall. An introducer having a rounded tip is also provided for guiding and supporting the spinal needle or catheter, as force is applied thereto, to cause the same to penetrate the dura.Type: GrantFiled: December 31, 1990Date of Patent: April 19, 1994Assignee: Brigham and Women's HospitalInventors: Mark D. Johnson, Vladimir Bittner
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Patent number: 5232442Abstract: The present invention provides apparatus and methods for introducing spinal anesthesia directly into the subarachnoid space of a patient. One apparatus and method utilizes a small gauge spinal needle for penetrating the dura; the other utilizes a small gauge catheter with an internal stylet having a non-piercing pencil point to spread apart the filaments of the dura wall. An introducer having a rounded tip is also provided for guiding and supporting the spinal needle or catheter, as force is applied thereto, to cause the same to penetrate the dura.Type: GrantFiled: December 26, 1991Date of Patent: August 3, 1993Assignee: Brigham and Women's HospitalInventors: Mark D. Johnson, Vladimir Bittner
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Patent number: D648207Type: GrantFiled: March 29, 2011Date of Patent: November 8, 2011Assignee: Master Lock Company LLCInventor: Mark D. Johnson
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Patent number: D841559Type: GrantFiled: March 29, 2017Date of Patent: February 26, 2019Inventor: Mark D. Johnson