Patents by Inventor Chang JIANG
Chang JIANG 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).
-
METHOD OF NAVIGATING A VISUALLY IMPAIRED USER, A NAVIGATION SYSTEM FOR THE SAME, AND A GUIDING ROBOT
Publication number: 20220155092Abstract: A method of navigating a visually impaired user, a navigation system and a guiding robot used in the system. The method includes the steps of: receiving a plurality of location referencing signals from a plurality of signal sources; processing the location referencing signals to determine a current location of the user in a predetermined area; planning an optimal path for the user to travel from the current location to a destination location; providing guiding information associated with the optimal path to the user; obtaining a travel instruction from the user to travel along the optimal path; and moving a guiding robot according to the travel instruction provided by the user along the optimal path until the next travel instruction is required to further move the guiding robot.Type: ApplicationFiled: November 17, 2020Publication date: May 19, 2022Inventors: Ziqiao Lam, Yuan Chang Jiang, Wing Hong Wong, Yan Nei Law, King Sau Wong, Yiu Man Chan, Cheung Fong -
Publication number: 20220152374Abstract: A device for connection to a medical connector, the device includes an outer cap, an inner cap and a peelable seal. The outer cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The outer cap including one or more threads adapted to engage with a female luer connector. The inner cap including one or more thread-tabs adapted to engage a male luer connector. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber.Type: ApplicationFiled: February 4, 2022Publication date: May 19, 2022Applicant: Becton, Dickinson and CompanyInventors: Nicholas Erekovcanski, Chang Jiang, Paul P. Marici
-
Publication number: 20220096485Abstract: Functionalized pyrano[2,3-d]pyrimidin-7-one derivatives, methods for making the derivatives, and methods of using the derivatives as protein kinase inhibitors.Type: ApplicationFiled: October 5, 2021Publication date: March 31, 2022Applicant: The Texas A&M University SystemInventors: Dai Lu, Chang-Jiang Qiao, Boqiao Fu, Anantha Lakshmi Duddupudi, Zhixing Wu
-
Patent number: 11273298Abstract: A device for connection to a medical connector, the device includes an outer cap, an inner cap and a peelable seal. The outer cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The outer cap including one or more threads adapted to engage with a female luer connector. The inner cap including one or more thread-tabs adapted to engage a male luer connector. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber.Type: GrantFiled: April 8, 2019Date of Patent: March 15, 2022Assignee: Becton, Dickinson and CompanyInventors: Nicholas Erekovcanski, Chang Jiang, Paul Marici
-
Patent number: 11223176Abstract: A direct-current motor commutator structure includes: a commutator base, comprising a front pressing ring, a pressing plate and a sleeve that are sequentially abutted, a sealing ring being provided between the front pressing ring and the pressing plate, and between the pressing plate and the sleeve constituting a bearing area; a commutator, mounted in the bearing area and having opposite first and second portions; a sealing element being potted or provided between the second portion and the sleeve; an equalizing cable, mounted on an outer side of a first potting area formed by the first portion, the pressing plate and the front pressing ring, abutting against the first portion and the front pressing ring, and covering the first potting area; and an armature coil, clinging to the equalizing cable and located on an outer side of a second potting area formed by the equalizing cable and the front pressing ring.Type: GrantFiled: February 2, 2019Date of Patent: January 11, 2022Assignee: New United Rail Transit Technology Co., Ltd.Inventors: Niancheng Lu, Chang Jiang, Jun Wu, Yang Cao
-
Patent number: 11187554Abstract: A method, a device, and a storage medium for providing a running road of an urban road are provided in the present disclosure. The method includes: obtaining a weighed road length of a specified urban road according to user track data of the specified urban road and road network data of the specified urban road; obtaining an actual passing period of the specified urban road according to the road network data of the specified urban road and road condition data of the specified urban road; obtaining a running speed of the specified urban road according to the weighed road length of the specified urban road and the actual passing period of the specified urban road; and providing the running speed of the specified urban on digital map products.Type: GrantFiled: March 24, 2017Date of Patent: November 30, 2021Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Chang Jiang, Wentao Liu, Hao Wang, Zhaojie Su
-
Publication number: 20210322750Abstract: A cap for disinfecting a needleless connector is described herein. The cap includes a housing having a cavity and an insert disposed within. The insert includes one or more cantilevered prongs disposed on a distal wall of the insert. The one or more cantilevered prongs are configured to bend upon insertion of the needleless connector. On an outer sidewall of the one or more cantilevered prongs are one or more ledges extending at essentially a right angle to the one or more cantilevered prongs, the one or more ledges being configured to push against the sidewall of the housing to resist further bending of the one or more cantilevered prongs upon advancement of the needleless connector.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Applicant: Becton, Dickinson and CompanyInventors: Amir Harandi, Chang Jiang, Paul P. Marici
-
Publication number: 20210322752Abstract: A disinfection cap is described for connection to a medical connector; the disinfection cap includes a housing having a top wall and sidewall forming a cavity. In one or more embodiments, a retention rod forming a fluid reservoir is disposed within the cavity for retaining disinfectant. In one or more embodiments, a corrugated capsule is disposed within the cavity for retaining disinfectant. Pressure buildup within the cavity due to insertion of a luer connector causes expulsion of disinfectant, thereby disinfecting the luer connector.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Amir Harandi, Paul P. Marici, Jiayu Liu
-
Publication number: 20210328397Abstract: A direct-current motor commutator structure includes: a commutator base, comprising a front pressing ring, a pressing plate and a sleeve that are sequentially abutted, a sealing ring being provided between the front pressing ring and the pressing plate, and between the pressing plate and the sleeve constituting a bearing area; a commutator, mounted in the bearing area and having opposite first and second portions; a sealing element being potted or provided between the second portion and the sleeve; an equalizing cable, mounted on an outer side of a first potting area formed by the first portion, the pressing plate and the front pressing ring, abutting against the first portion and the front pressing ring, and covering the first potting area; and an armature coil, clinging to the equalizing cable and located on an outer side of a second potting area formed by the equalizing cable and the front pressing ring.Type: ApplicationFiled: February 2, 2019Publication date: October 21, 2021Inventors: Niancheng Lu, Chang Jiang, Jun Wu, Yang Cao
-
Publication number: 20210322751Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap includes a housing having a top wall and sidewall forming a cavity, an open cell foam structure disposed within the cavity and a closed cell foam structure disposed against the open cell foam structure, the closed cell foam structure having an interference fit between the closed cell foam structure and the inner surface of the housing. The closed cell foam structure may have a polygonal or star shape, wherein fluid can flow through a gap formed between the closed cell foam structure and the inner surface of the cavity. The open cell foam structure may be impregnated with disinfectant, whereby compression of the open cell foam structure causes excretion of the disinfectant upon insertion of a luer connector.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Amir Harandi, Jiayu Liu
-
Patent number: 11136333Abstract: Functionalized pyrano[2,3-d]pyrimidin-7-one derivatives, methods for making the derivatives, and methods of using the derivatives as protein kinase inhibitors.Type: GrantFiled: May 23, 2017Date of Patent: October 5, 2021Assignee: The Texas A&M University SystemInventors: Dai Lu, Chang-Jiang Qiao, Boqiao Fu, Anantha Lakshmi Duddupudi, Zhixing Wu
-
Publication number: 20210275707Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap including a housing having a top wall and sidewall forming a cavity, a blockage feature disposed on the top wall of the cavity, the blockage feature for fluidly blocking a hub of a luer connector, disinfectant or antimicrobial agent disposed within an open cell foam structure within the cavity. The open cell foam structure releasing the disinfectant or antimicrobial agent as the open cell foam structure is depressed by the hub of the luer connector.Type: ApplicationFiled: February 24, 2021Publication date: September 9, 2021Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Narasinha C. Parasnis, Amir Harandi
-
Publication number: 20210244933Abstract: A device for connection to a medical connector, the device includes a cap body, a coupling cylinder adapted to engage with a male luer connector and a female luer connector, a bulb compartment filled with air, a reagent compartment filled with disinfectant or an antimicrobial reagent, and a passageway connecting the bulb compartment to the reagent compartment. The reagent compartment includes an exterior wall surface, an interior wall surface, an array of resealable pores densely integrated throughout the exterior wall surface and the interior wall surface of the reagent compartment, and a distal tip. The passageway may be positioned in an aperture of the proximal wall of the cap body. The coupling cylinder may include an O-ring.Type: ApplicationFiled: September 12, 2019Publication date: August 12, 2021Applicant: Becton, Dickinson and CompanyInventor: Chang Jiang
-
Publication number: 20210187267Abstract: A disinfecting cap is described including a housing, a protrusion and a cap cover, the housing including a top wall, an essentially cylindrical sidewall forming a first cavity, and an open bottom end opposite the top wall formed by the cylindrical sidewall with an opening to the first cavity within the housing for receiving a hub of a female needleless connector or a male needleless connector, wherein the protrusion is positioned within the first cavity and includes an inner surface, an outer surface and an end distal the top wall of the housing, the inner surface of the protrusion defining a second cavity, and wherein the outer surface of the protrusion and an inner surface of the essentially cylindrical sidewall define a gap therebetween, and the cap cover is dimensioned and positioned to cover at least a portion of the gap between the outer surface of the protrusion and the inner surface of the housing.Type: ApplicationFiled: December 14, 2020Publication date: June 24, 2021Applicant: Becton, Dickinson and CompanyInventor: Chang Jiang
-
Publication number: 20210146113Abstract: A disinfection cap is described for connection to a medical connector, the disinfection cap includes a housing having a top wall and sidewall forming a cavity, disinfectant or antimicrobial agent and a ball disposed within the cavity. An outer surface of the housing includes a thread sufficient to interlock with a mating feature of a threaded connector, or more specifically a male luer connector. The cap may also include a peelable seal to prevent the disinfectant or the antimicrobial agent from exiting the cavity. The cavity of the cap may also include one or more ribs disposed on the inner surface of the cavity to retain the ball in the cavity, forming a flow channel as the ball is depressed further into the cavity. An exterior sidewall surface of the housing may include a plurality of grip members.Type: ApplicationFiled: October 26, 2020Publication date: May 20, 2021Applicant: Becton, Dickinson and CompanyInventors: Edward P. Browka, Chang Jiang, Amir Harandi, Tom Moskal, Jiayu Liu, Narasinha C. Parasnis
-
Publication number: 20210138222Abstract: A device for connection to a medical connector, the device includes a cap, a container and a peelable seal. The cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap includes one or more threads adapted to engage with a female luer connector. The cap is adapted to engage a male luer connector in a press-fit connection. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber.Type: ApplicationFiled: April 9, 2019Publication date: May 13, 2021Inventors: Chang Jiang, Nichola Charles
-
Publication number: 20210138225Abstract: A device for connection to a medical connector, the device includes a cap, an elastic sealing ring and a peelable seal. The cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap includes one or more threads adapted to engage with a female luer connector. The cap is adapted to engage a male luer connector in a press-fit connection. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber.Type: ApplicationFiled: April 9, 2019Publication date: May 13, 2021Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Nichola Charles
-
Publication number: 20210138223Abstract: A device for connection to a medical connector, the device includes a cap having an annular wall having an exterior wall surface and an interior wall surface including a plurality of inwardly extending protrusions sized and shaped to frictionally engage a male luer, and a peelable seal. The cap configured to define a chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap includes one or more threads adapted to engage with a female luer connector. The cap is adapted to engage a male luer connector in a press-fit connection. The peelable seal prevents the disinfectant or the antimicrobial agent from exiting the chamber. Also described are methods of disinfecting a medical connector, and apparatuses comprising a device for disinfecting a medical connector.Type: ApplicationFiled: April 9, 2019Publication date: May 13, 2021Applicant: Becton, Dickinson and CompanyInventors: Chang Jiang, Nichola Charles
-
Publication number: 20210138221Abstract: A device for connection to a medical connector, the device includes a cap, a barrier wall, a first seal, a second seal, a first annular wall including a plurality of internal threads, and a second annular wall including a plurality of external threads. Also described is a device for connection to a medical connector, the device includes a cap, a first seal, a second seal, a first annular wall including a plurality of internal threads, and a second annular wall including a plurality of external threads. The cap configured to define a first chamber to contain an absorbent material and disinfectant or antimicrobial agent and a second chamber to contain an absorbent material and disinfectant or antimicrobial agent. The cap includes one or more internal threads adapted to engage with a female luer connector. The cap also includes one or more external threads adapted to engage with a male luer connector.Type: ApplicationFiled: April 9, 2019Publication date: May 13, 2021Applicant: Bection, Dickinson and CompanyInventors: Weston F. Harding, Chang Jiang, Austin Jason Mckinnon
-
Patent number: 10999389Abstract: The present disclosure provides a method and a device for acquiring dynamic map data, and a storage medium. The method includes: acquiring, by a road operation device having a network access capacity, dynamic map data of a road work site where the road operation device is located; and providing, by the road operation device having the network access capacity, the dynamic map data to a map service system through a dynamic map data acquisition system, such that the map service system reflects content of the dynamic map data in a predetermined product form.Type: GrantFiled: April 22, 2019Date of Patent: May 4, 2021Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Chang Jiang, Zhitang Li, Xi Zhao