Patents by Inventor David Sadler
David Sadler 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: 20240123960Abstract: A aircraft braking system is disclosed including a plurality of brakes each for braking one of a plurality of aircraft wheels using hydraulic pressure, a first hydraulic pressure supply unit, and a second hydraulic pressure supply unit. The first hydraulic pressure supply unit is connected to only a first subset of the plurality of brakes, such that the first hydraulic pressure supply unit can enable only the first subset of the plurality of brakes to provide braking. The second hydraulic pressure supply unit is connected to only a second subset of the plurality of brakes, the second subset not including any of the brakes of the first subset, such that the second hydraulic pressure supply unit can enable only the second subset of the plurality of brakes to provide braking.Type: ApplicationFiled: October 11, 2023Publication date: April 18, 2024Inventors: Ian PLATT, Andrew David SADLER
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Publication number: 20230332628Abstract: Aircraft power system is disclosed having a hydraulic reservoir, a bi-directional hydraulic pump for pumping hydraulic fluid to and from the reservoir, and an electric motor. The electric motor is connectable to a first driveable component of the aircraft such that the electric motor is arranged to drive the first driveable component of the aircraft. The hydraulic pump is connectable to the first driveable component of the aircraft such that the hydraulic pump is arranged to pump hydraulic fluid from the reservoir to drive the first driveable component of an aircraft. Thus, in a first driveable mode of operation, the first driveable component is driven by both the electric motor and the hydraulic pump.Type: ApplicationFiled: June 15, 2023Publication date: October 19, 2023Inventor: Andrew David SADLER
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Patent number: 11713777Abstract: Aircraft power system is disclosed having a hydraulic reservoir, a bi-directional hydraulic pump for pumping hydraulic fluid to and from the reservoir, and an electric motor. The electric motor is connectable to a first driveable component of the aircraft such that the electric motor is arranged to drive the first driveable component of the aircraft. The hydraulic pump is connectable to the first driveable component of the aircraft such that the hydraulic pump is arranged to pump hydraulic fluid from the reservoir to drive the first driveable component of an aircraft. Thus, in a first driveable mode of operation, the first driveable component is driven by both the electric motor and the hydraulic pump.Type: GrantFiled: October 29, 2021Date of Patent: August 1, 2023Assignee: AIRBUS OPERATIONS LIMITEDInventor: Andrew David Sadler
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Publication number: 20220403558Abstract: Natural polymer-based fibrous elements including a modified polymer derived from a natural polymer and a surfactant, method for making such natural polymer-based fibrous elements and methods for making such fibrous structures are provided.Type: ApplicationFiled: May 25, 2022Publication date: December 22, 2022Inventors: Mark William Hamersky, Mark Robert Sivik, John David Sadler, Luke Andrew Zannoni
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Publication number: 20220170487Abstract: Aircraft power system is disclosed having a hydraulic reservoir, a bi-directional hydraulic pump for pumping hydraulic fluid to and from the reservoir, and an electric motor. The electric motor is connectable to a first driveable component of the aircraft such that the electric motor is arranged to drive the first driveable component of the aircraft. The hydraulic pump is connectable to the first driveable component of the aircraft such that the hydraulic pump is arranged to pump hydraulic fluid from the reservoir to drive the first driveable component of an aircraft. Thus, in a first driveable mode of operation, the first driveable component is driven by both the electric motor and the hydraulic pump.Type: ApplicationFiled: October 29, 2021Publication date: June 2, 2022Inventor: Andrew David SADLER
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Publication number: 20200078757Abstract: A method for producing microcapsules is provided. The method includes providing a core liquid comprising one or more oils and one or more surfactants and a shell liquid comprising water, one or more surfactants and at least one wall forming material. The method further includes forming a plurality of liquid droplets within a gas, wherein each of the plurality of liquid droplets has a core formed from the core liquid and a shell surrounding the core formed from the shell liquid, wherein the core liquid and shell liquid have a dynamic spreading coefficient greater than zero at 0.03 seconds. At least some of the water is evaporated within a drying chamber to form microcapsules.Type: ApplicationFiled: August 23, 2019Publication date: March 12, 2020Inventors: Yousef Georges Aouad, Raul Rodrigo Gomez, John David Sadler
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Publication number: 20170156346Abstract: A pesticide or repellent comprising a liquid concentrate obtained from garlic juice by the removal of water from the juice.Type: ApplicationFiled: November 15, 2016Publication date: June 8, 2017Inventors: Murree Groom, David Sadler-Bridge
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Patent number: 9526254Abstract: A pesticide or repellent comprising a liquid concentrate obtained from garlic juice by the removal of water from the juice.Type: GrantFiled: April 10, 2006Date of Patent: December 27, 2016Assignee: ECOSPRAY LIMITEDInventors: David Sadler-Bridge, Murree Groom
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Patent number: 8094042Abstract: A steering angle warning system comprising a rotation-measuring unit located on an aircraft, and an alarm unit. The rotation-measuring unit is arranged to output a first signal dependent on the steering angle between a nose landing gear of the aircraft and the longitudinal axis of the aircraft fuselage. The alarm unit is arranged to generate an alarm, in dependence on the first signal, when the steering angle is greater than a predetermined value, for example, 60 degrees. The rotation-measuring unit may also be arranged to perform a function in relation to an aircraft steering system, for example to indicate the steering angle to the pilot during ground manoeuvres.Type: GrantFiled: February 23, 2007Date of Patent: January 10, 2012Assignee: Airbus Operations LimitedInventors: Terry George Read, Andreas Yiasoumi, David George Stinchcombe, Andrew David Sadler, Alex Robert Piddock
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Publication number: 20090317500Abstract: A pesticide or repellent comprising a liquid concentrate obtained from garlic juice by the removal of water from the juice.Type: ApplicationFiled: April 10, 2006Publication date: December 24, 2009Applicant: ECOSPRAY LIMITEDInventors: David Sadler-Bridge, Murree Groom
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Publication number: 20090040072Abstract: A steering angle warning system comprising a rotation-measuring unit located on an aircraft, and an alarm unit. The rotation-measuring unit is arranged to output a first signal dependent on the steering angle between a nose landing gear of the aircraft and the longitudinal axis of the aircraft fuselage. The alarm unit is arranged to generate an alarm, in dependence on the first signal, when the steering angle is greater than a predetermined value, for example, 60 degrees. The rotation-measuring unit may also be arranged to perform a function in relation to an aircraft steering system, for example to indicate the steering angle to the pilot during ground manoeuvres.Type: ApplicationFiled: February 23, 2007Publication date: February 12, 2009Applicant: AIRBUS UK LIMITEDInventors: Terry George Read, Andreas Yiasoumi, David George Stinchcombe, Andrew David Sadler, Alex Robert Piddock
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Patent number: 7251071Abstract: In an optical transmission system, operations of certain elements are adjusted in an individualized manner after detecting a change in the total optical power level corresponding to multiple optical channels in a link of the system in order to control transients in those channels. For example, in response to a sudden drop in the number of channels resulting from a fiber cut, the power levels of the optical pumps in a Raman amplifier in an OADM are adjusted to reduce transient gain errors in the surviving channels, where the adjustment to the pump power level for each different optical pump is a function of both the detected change in the total optical power level and at least one specified coefficient for that particular optical pump, in order to handle non-linearities in the response of the Raman amplifier to the sudden drop in the number of optical channels.Type: GrantFiled: July 30, 2004Date of Patent: July 31, 2007Assignee: Lucent Technologies Inc.Inventors: Daniel C. Kilper, Claude A. Martell, Narasimhan Raghavan, David A. Sadler, Christopher A. White
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Patent number: 7167299Abstract: A method and apparatus for controlling the pump powers of a broadband DWDM optical system using Raman amplification which determines pump settings that are advantageously directed to minimizing the peak-to-peak ripple of the channel powers with respect to a given per-channel target. The illustrative method and apparatus first formulates a linear programming optimization problem, and then solves the formulated linear program in order to derive a new set of pump powers to be applied to the Raman amplification pumps. In accordance with the principles of the invention, the formulated linear programming optimization problem advantageously includes one or more “virtual” channels in addition to the actual channels used in the optical transmission system. The linear program may be solved with use of any conventional linear programming solution technique, such as, for example, the simplex method.Type: GrantFiled: January 31, 2006Date of Patent: January 23, 2007Assignee: Lucent Technologies Inc.Inventors: Narasimhan Raghavan, David A Sadler, Christopher Alan White
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Patent number: 7161734Abstract: A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements employs a power threshold to determine an appropriate response given a change in optical signal power.Type: GrantFiled: May 26, 2004Date of Patent: January 9, 2007Assignee: Lucent Technologies Inc.Inventors: Robert D. Feldman, Mahan Movassaghi, David A. Sadler, William A. Thompson
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Publication number: 20060023297Abstract: In an optical transmission system, operations of certain elements are adjusted in an individualized manner after detecting a change in the total optical power level corresponding to multiple optical channels in a link of the system in order to control transients in those channels. For example, in response to a sudden drop in the number of channels resulting from a fiber cut, the power levels of the optical pumps in a Raman amplifier in an OADM are adjusted to reduce transient gain errors in the surviving channels, where the adjustment to the pump power level for each different optical pump is a function of both the detected change in the total optical power level and at least one specified coefficient for that particular optical pump, in order to handle non-linearities in the response of the Raman amplifier to the sudden drop in the number of optical channels.Type: ApplicationFiled: July 30, 2004Publication date: February 2, 2006Inventors: Daniel Kilper, Claude Martell, Narasimhan Raghavan, David Sadler, Christopher White
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Patent number: 6920288Abstract: Embodiments of the invention generally provide a method for automatically detecting and provisioning new optical connections in a network element (NE). The detection of the optical connections is generally accomplished via optical scans, and in particular, an optical spectral analysis type scan, which may be conducted at specific times and at specific points within the NE in order to determine an association corresponding to a new connection through the NE. The automatic detecting in provisioning method of the invention may generally be implemented on connections in end terminals (ET), as well as connections in optical add/drop multiplexer (OADM) NEs. As such, embodiments of the invention allow for automatic detection and provisioning of optical circuit packs in an optical line system (OLS) based upon optical scans configured to detect the presence of valid incoming client signals through the NE.Type: GrantFiled: March 8, 2002Date of Patent: July 19, 2005Assignee: Lucent Technologies, Inc.Inventors: Richard Adleman, Peter L. Bartman, Heribert J. Blach, Janet M. Greenberg, Mile Radovanovic, David A. Sadler, Mary Socratous, Scott D. Young
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Patent number: 6894013Abstract: Disclosed are detergent compositions for hand dishwashing which, by incorporating certain organic solvents, results in a liquid dishwashing detergent composition that is not only a more effective cleaning agent, but also offers improved physical and enzymatic stability and more convenient rheology and handling characteristics than typical liquid dishwashing compositions.Type: GrantFiled: March 4, 2004Date of Patent: May 17, 2005Assignee: The Procter & Gamble CompanyInventors: Joanna Margaret Clarke, Garry Kenneth Embleton, Howard David Hutton, Mark Leslie Kacher, John David Sadler, Deborah Pancheri Wallace
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Publication number: 20040218258Abstract: A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements employs a power threshold to determine an appropriate response given a change in optical signal power.Type: ApplicationFiled: May 26, 2004Publication date: November 4, 2004Inventors: Robert D. Feldman, Mahan Movassaghi, David A. Sadler, William A. Thompson
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Publication number: 20040208528Abstract: Embodiments of the invention generally provide a method for automatically detecting and provisioning new optical connections in a network element (NE). The detection of the optical connections is generally accomplished via optical scans, and in particular, an optical spectral analysis type scan, which may be conducted at specific times and at specific points within the NE in order to determine an association corresponding to a new connection through the NE. The automatic detecting in provisioning method of the invention may generally be implemented on connections in end terminals (ET), as well as connections in optical add/drop multiplexer (OADM) NEs. As such, embodiments of the invention allow for automatic detection and provisioning of optical circuit packs in an optical line system (OLS) based upon optical scans configured to detect the presence of valid incoming client signals through the NE.Type: ApplicationFiled: March 8, 2002Publication date: October 21, 2004Inventors: Richard Adleman, Peter L. Bartman, Heribert J. Blach, Janet M. Greenberg, Mile Radovanovic, David A. Sadler, Mary Socratous, Scott D. Young
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Patent number: 6798567Abstract: A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements employs a power threshold to determine an appropriate response given a change in optical signal power.Type: GrantFiled: March 7, 2002Date of Patent: September 28, 2004Assignee: Lucent Technologies Inc.Inventors: Robert D. Feldman, Mahan Movassaghi, David A. Sadler, William A. Thompson