Patents by Inventor David Sharpe

David Sharpe 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).

  • Patent number: 11212100
    Abstract: Systems and methods for facilitating use of physical tokens in a transit system are disclosed. In one implementation, a method for facilitating use of physical tokens by a server includes generating a token identifier and generating, using a private key associated with the server, a cryptographic signature based on the token identifier. The method further includes transmitting the token identifier and the cryptographic signature to a token dispenser. The token dispenser is configured to dispense a physical token, and the physical token is configured to provide the token identifier and the cryptographic signature to a token validator.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: December 28, 2021
    Assignee: moovel North America, LLC
    Inventors: David Sharpe, William Derocher, Zachary Babb, Brian Young, Tim Roberts, Sopia Maletz, Matthew Rotter, Mitch Drew
  • Patent number: 11197982
    Abstract: A balloon catheter is disclosed for endovascular procedures. In one embodiment, among others, the balloon catheter includes an elongated catheter body. At a distal end, the catheter body also includes an angled tip and a balloon adjacent to the angled tip. The balloon is inflatable to form an oblong shape.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: December 14, 2021
    Inventor: David Sharpe Heister
  • Publication number: 20200297979
    Abstract: A balloon catheter is disclosed for endovascular procedures. In one embodiment, among others, the balloon catheter includes an elongated catheter body. At a distal end, the catheter body also includes an angled tip and a balloon adjacent to the angled tip. The balloon is inflatable to form an oblong shape.
    Type: Application
    Filed: March 22, 2019
    Publication date: September 24, 2020
    Inventor: David Sharpe Heister
  • Patent number: 10710962
    Abstract: Zwitterion-containing compounds for the modification of hydrophobic molecules to improve their solubility and/or to lower their non-specific binding as provided. The zwitterion-containing compounds may be suitable for modification of detectable labels such as biotin and fluorescein to improve their solubility. The zwitterion-containing compounds may also be useful for the preparation of conjugates of proteins, peptides and other macromolecules or for crosslinking molecules and/or macromolecules.
    Type: Grant
    Filed: May 28, 2016
    Date of Patent: July 14, 2020
    Assignee: Siemens Healthcare Diagnostics Inc.
    Inventors: Anand Natrajan, David Sharpe, David Wen, Qingping Jiang
  • Publication number: 20200190037
    Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Applicant: Siemens Healthcare Diagnostics Inc.
    Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
  • Publication number: 20190058591
    Abstract: Systems and methods for facilitating use of physical tokens in a transit system are disclosed. In one implementation, a method for facilitating use of physical tokens by a server includes generating a token identifier and generating, using a private key associated with the server, a cryptographic signature based on the token identifier. The method further includes transmitting the token identifier and the cryptographic signature to a token dispenser. The token dispenser is configured to dispense a physical token, and the physical token is configured to provide the token identifier and the cryptographic signature to a token validator.
    Type: Application
    Filed: March 23, 2018
    Publication date: February 21, 2019
    Inventors: David Sharpe, Bill Derocher, Zach Babb, Brian Young, Tim Roberts, Sopia Maletz, Matthew Rotter, Mitch Drew
  • Publication number: 20170320830
    Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.
    Type: Application
    Filed: July 4, 2014
    Publication date: November 9, 2017
    Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
  • Patent number: 9625563
    Abstract: Managing use of a location sensor on a computing device for energy efficiency. The location sensor is briefly initialized to measure the signal quality. The measured signal quality is compared to pre-defined signal criteria values. The signal criteria values correspond to acceptable energy consumption, for example. If the signal criteria values are satisfied, location information for the computing device is obtained. Otherwise, the location sensor is disabled without obtaining the location information. In some embodiments, a lower-energy location sensor is used to obtain location information to determine whether to enable a higher-energy location sensor based on expected energy consumption.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: April 18, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Jyh-Han Lin, Gang Zhao, Timothy David Sharpe
  • Patent number: 9575062
    Abstract: Hydrophilic, chemiluminescent acridinium compounds containing zwitterions are disclosed. These acridinium compounds, when used as chemiluminescent labels in immunochemistry assays and the like, exhibit decreased non-specific binding to solid phases and provide increased assay sensitivity.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: February 21, 2017
    Assignee: SIEMENS HEALTHCARE DIAGNOSTICS INC.
    Inventors: Anand Natrajan, David Sharpe, Qingping Jiang
  • Patent number: 9487480
    Abstract: Zwitterion-containing compounds for the modification of hydrophobic molecules to improve their solubility and/or to lower their non-specific binding as provided. The zwitterion-containing compounds may be suitable for modification of detectable labels such as biotin and fluorescein to improve their solubility. The zwitterion-containing compounds may also be useful for the preparation of conjugates of proteins, peptides and other macromolecules or for crosslinking molecules and/or macromolecules.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: November 8, 2016
    Assignee: Siemens Healthcare Diagnostics Inc.
    Inventors: Anand Natrajan, David Sharpe, David Wen, Qingping Jiang
  • Publication number: 20160274094
    Abstract: Zwitterion-containing compounds for the modification of hydrophobic molecules to improve their solubility and/or to lower their non-specific binding as provided. The zwitterion-containing compounds may be suitable for modification of detectable labels such as biotin and fluorescein to improve their solubility. The zwitterion-containing compounds may also be useful for the preparation of conjugates of proteins, peptides and other macromolecules or for crosslinking molecules and/or macromolecules.
    Type: Application
    Filed: May 28, 2016
    Publication date: September 22, 2016
    Applicant: Siemens Healthcare Diagnostics Inc.
    Inventors: Anand Natrajan, David Sharpe, David Wen, Qingping Jiang
  • Patent number: 9353056
    Abstract: Zwitterion-containing compounds for the modification of hydrophobic molecules to improve their solubility and/or to lower their non-specific binding as provided. The zwitterion-containing compounds may be suitable for modification of detectable labels such as biotin and fluorescein to improve their solubility. The zwitterion-containing compounds may also be useful for the preparation of conjugates of proteins, peptides and other macromolecules or for crosslinking molecules and/or macromolecules.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: May 31, 2016
    Assignee: Siemens Healthcare Diagnostics Inc.
    Inventors: Anand Natrajan, David Sharpe, David Wen, Qingping Jiang
  • Patent number: 8890814
    Abstract: An input device enabling a computer user to provide a range of inputs. The device comprises a body made up of a lower portion and an upper portion; an output interface; and a plurality of movement detectors arranged with the body to detect movements of the input device and based thereon to generate input signals for a computer or other device coupled to the output interface. The movement detectors are arranged to detect rotation about first and second axes defined by rotational movement of the upper portion relative to the lower portion, and movement of a actuatable element carried on one of the lower portion and the upper portion and actuatable independently of the other of the lower portion and the upper portion. The input device further comprises translational movement detectors, enabling a user to further provide three translational inputs.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: November 18, 2014
    Assignee: Worthington Sharpe Limited
    Inventors: Samuel Worthington, David Sharpe
  • Publication number: 20140295575
    Abstract: Hydrophilic, chemiluminescent acridinium compounds containing zwitterions are disclosed. These acridinium compounds, when used as chemiluminescent labels in immunochemistry assays and the like, exhibit decreased non-specific binding to solid phases and provide increased assay sensitivity.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Applicant: SIEMENS HEALTHCARE DIAGNOSTICS INC.
    Inventors: Anand Natrajan, David Sharpe, Qingping Jiang
  • Patent number: 8778624
    Abstract: Hydrophilic, chemiluminescent acridinium compounds containing zwitterions are disclosed. These acridinium compounds, when used as chemiluminescent labels in immunochemistry assays and the like, exhibit decreased non-specific binding to solid phases and provide increased assay sensitivity.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: July 15, 2014
    Assignee: Siemens Healthcare Diagnostics Inc.
    Inventors: Anand Natrajan, David Sharpe, Qingping Jiang
  • Patent number: 8639276
    Abstract: An interactive call disposition system that may operate on a mobile telephone independently of any remote or network-based information or functionality is provided. Upon receiving an incoming telephone call, the interactive call disposition system may automatically dispose of the call (e.g., call forwarding, voicemail, etc.), or the interactive call disposition system may conduct an interactive exchange with the calling party via an interactive voice response (IVR) system or via dual-tone, multi-frequency (DTMF) key input from the calling party. The interactive exchange between the interactive call disposition system and the calling party may accomplish disposition of the call based on calling party and called party information, such as calendar data, free/busy data, contacts information, and the like.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: January 28, 2014
    Assignee: Microsoft Corporation
    Inventors: Timothy David Sharpe, Cameron Ali Etezadi
  • Publication number: 20140011517
    Abstract: Managing use of a location sensor on a computing device for energy efficiency. The location sensor is briefly initialized to measure the signal quality. The measured signal quality is compared to pre-defined signal criteria values. The signal criteria values correspond to acceptable energy consumption, for example. If the signal criteria values are satisfied, location information for the computing device is obtained. Otherwise, the location sensor is disabled without obtaining the location information. In some embodiments, a lower-energy location sensor is used to obtain location information to determine whether to enable a higher-energy location sensor based on expected energy consumption.
    Type: Application
    Filed: June 24, 2013
    Publication date: January 9, 2014
    Applicant: Microsoft Corporation
    Inventors: Jyh-Han Lin, Gang Zhao, Timothy David Sharpe
  • Patent number: 8472973
    Abstract: Managing use of a location sensor on a computing device for energy efficiency. The location sensor is briefly initialized to measure the signal quality. The measured signal quality is compared to pre-defined signal criteria values. The signal criteria values correspond to acceptable energy consumption, for example. If the signal criteria values are satisfied, location information for the computing device is obtained. Otherwise, the location sensor is disabled without obtaining the location information. In some embodiments, a lower-energy location sensor is used to obtain location information to determine whether to enable a higher-energy location sensor based on expected energy consumption.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: June 25, 2013
    Assignee: Microsoft Corporation
    Inventors: Jyh-Han Lin, Gang Zhao, Timothy David Sharpe
  • Publication number: 20130065325
    Abstract: Zwitterion-containing compounds for the modification of hydrophobic molecules to improve their solubility and/or to lower their non-specific binding as provided. The zwitterion-containing compounds may be suitable for modification of detectable labels such as biotin and fluorescein to improve their solubility. The zwitterion-containing compounds may also be useful for the preparation of conjugates of proteins, peptides and other macromolecules or for crosslinking molecules and/or macromolecules.
    Type: Application
    Filed: May 18, 2011
    Publication date: March 14, 2013
    Applicant: SIEMENS HEALTHCARE DIAGNOSTICS INC.
    Inventors: Anand Natrajan, David Sharpe, David Wen, Qingping Jiang
  • Publication number: 20120299830
    Abstract: An input device enabling a computer user to provide a range of inputs. The device comprises a body made up of a lower portion and an upper portion; an output interface; and a plurality of movement detectors arranged with the body to detect movements of the input device and based thereon to generate input signals for a computer or other device coupled to the output interface. The movement detectors are arranged to detect rotation about first and second axes defined by rotational movement of the upper portion relative to the lower portion, and movement of a actuatable element carried on one of the lower portion and the upper portion and actuatable independently of the other of the lower portion and the upper portion. The input device further comprises translational movement detectors, enabling a user to further provide three translational inputs.
    Type: Application
    Filed: January 12, 2011
    Publication date: November 29, 2012
    Applicant: WORTHINGTON SHARPE LIMITED
    Inventors: Samuel Worthington, David Sharpe