Patents by Inventor John Richard Powers
John Richard Powers 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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Patent number: 9540942Abstract: A shaft sealing system and method are disclosed for a high or intermediate pressure turbine section having a rotating member including a shaft and a stationary member surrounding the rotating member and defining a steam flow path. The shaft sealing system comprises at least one seal disposed about each of a first end and a second end of the shaft; and a connection line for conducting steam from the first turbine section to a downstream portion of the turbine. The downstream portion of the turbine is one of a low pressure section and a condenser, and has a lower pressure than both of the first turbine section and ambient pressure conditions.Type: GrantFiled: April 13, 2012Date of Patent: January 10, 2017Assignee: General Electric CompanyInventors: Xiaoqing Zheng, Daniel Robert Coffey, Guoqiang Lu, John Richard Powers, Steven Paul Scarlata, Christopher David Suttles
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Publication number: 20130270775Abstract: A shaft sealing system and method are disclosed for a low pressure turbine section having a rotating member including a shaft and a stationary member surrounding the rotating member and defining a steam flow path. The shaft sealing system comprises at least one seal disposed about each of a first end and a second end of the shaft; and a connection line for conducting steam from the first turbine section to a downstream portion of the turbine. The downstream portion of the turbine has a lower pressure than both of the first turbine section and ambient pressure conditions.Type: ApplicationFiled: April 13, 2012Publication date: October 17, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel Robert Coffey, Guoqiang Lu, John Richard Powers, Steven Paul Scarlata, Christopher David Suttles, Xiaoqing Zheng
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Publication number: 20130272872Abstract: A shaft sealing system and method are disclosed for a high or intermediate pressure turbine section having a rotating member including a shaft and a stationary member surrounding the rotating member and defining a steam flow path. The shaft sealing system comprises at least one seal disposed about each of a first end and a second end of the shaft; and a connection line for conducting steam from the first turbine section to a downstream portion of the turbine. The downstream portion of the turbine is one of a low pressure section and a condenser, and has a lower pressure than both of the first turbine section and ambient pressure conditions.Type: ApplicationFiled: April 13, 2012Publication date: October 17, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Xiaoqing Zheng, Daniel Robert Coffey, Guoqiang Lu, John Richard Powers, Steven Paul Scarlata, Christopher David Suttles
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Patent number: 7827552Abstract: A system and method is described which provides for context checking of an operating environment. A context manager controls the execution of context checks requested by applications or processes. In one embodiment, the context check modules are defined as self-contained modules located in a database. When the data base is opened, these modules are loaded and registered with the context manager. Upon occurrence of certain user actions, the context manager will issue an event to cause the appropriate modules to perform a context check of certain context of the environment. The resulting context information is stored in memory by the context manager and provided to the applications by the context manager when needed. One advantage is that the context checks performed can be changed simply by adding or deleting modules from the database.Type: GrantFiled: March 7, 2006Date of Patent: November 2, 2010Assignee: Apple Inc.Inventor: John Richard Powers, III
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Patent number: 7016891Abstract: A system and method is described which provides for context checking of an operating environment. A context manager controls the execution of context checks requested by applications or processes. In one embodiment, the context check modules are defined as self-contained modules located in a database. When the data base is opened, these modules are loaded and registered with the context manager. Upon occurrence of certain user actions, the context manager will issue an event to cause the appropriate modules to perform a context check of certain context of the environment. The resulting context information is stored in memory by the context manager and provided to the applications by the context manager when needed. One advantage is that the context checks performed can be changed simply by adding or deleting modules from the database.Type: GrantFiled: June 26, 2002Date of Patent: March 21, 2006Assignee: Apple Computer, Inc.Inventor: John Richard Powers, III
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Publication number: 20020194252Abstract: A system and method is described which provides for context checking of an operating environment. A context manager controls the execution of context checks requested by applications or processes. In one embodiment, the context check modules are defined as self-contained modules located in a database. When the data base is opened, these modules are loaded and registered with the context manager. Upon occurrence of certain user actions, the context manager will issue an event to cause the appropriate modules to perform a context check of certain context of the environment. The resulting context information is stored in memory by the context manager and provided to the applications by the context manager when needed. One advantage is that the context checks performed can be changed simply by adding or deleting modules from the database.Type: ApplicationFiled: June 26, 2002Publication date: December 19, 2002Applicant: Apple Computer, Inc.Inventor: John Richard Powers
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Patent number: 6453311Abstract: A system and method is described which provides for context checking of an operating environment. A context manager controls the execution of context checks requested by applications or processes. In one embodiment, the context check modules are defined as self-contained modules located in a database. When the data base is opened, these modules are loaded and registered with the context manager. Upon occurrence of certain user actions, the context manager will issue an event to cause the appropriate modules to perform a context check of certain context of the environment. The resulting context information is stored in memory by the context manager and provided to the applications by the context manager when needed. One advantage is that the context checks performed can be changed simply by adding or deleting modules from the database.Type: GrantFiled: May 6, 1994Date of Patent: September 17, 2002Assignee: Apple Computer, Inc.Inventor: John Richard Powers, III
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Patent number: 5859638Abstract: A user interface includes an object oriented graphic user interface having overlapping windows and provides an access window having topics, index and look for button functions for selection by a user. Through the use of the topics, index or look for functions, a help inquiry is defined. The access window includes an alpha scroll bar horizontally spanning a defined area of the access window. A plurality of alpha-numeric, symbolic or other characters (collectively "characters") are displayed along the length of the alpha scroll bar. A slider is provided which may be selectively positioned over a character displayed on the alpha scroll bar. The slider may be positioned through user manipulation of a cursor control device. The placement of the slider over a character on the alpha scroll bar results in a central processing unit (CPU) displaying data corresponding to the character selected. Entries are displayed in the defined area beginning alphabetically with the letter over which the slider has been placed.Type: GrantFiled: February 4, 1997Date of Patent: January 12, 1999Assignee: Apple Computer, Inc.Inventors: Patricia J. Coleman, James Edward Palmer, Matthew Justin Powers, Jeffrey Alan Herman, Eli Cochran, John Richard Powers, III
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Patent number: 5828374Abstract: An object oriented graphic user interface having overlapping windows and an access window having topics, index and look for button functions may be selected by the user. Through the use of the topics, index, or look for functions, a help inquiry is defined. The access window includes an alpha scroll bar horizontally spanning a defined area of the access window. Characters are displayed along the length of the alpha scroll bar and a slider is provided which may be selectively positioned over a character displayed on the alpha scroll bar. The placement of the slider over a character on the alpha scroll bar results in the CPU displaying help data entries corresponding to the selected character.Type: GrantFiled: March 14, 1997Date of Patent: October 27, 1998Assignee: Apple Computer, Inc.Inventors: Patricia J. Coleman, James Edward Palmer, Matthew Justin Powers, Jeffrey Alan Herman, Eli Cochran, John Richard Powers, III
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Patent number: 5825355Abstract: The system includes at least one central processing unit (CPU) which is coupled through appropriate input/output (I/O) circuitry to input devices, such as a keyboard, digital pad, mouse and/or track ball. The CPU is coupled to a hard disk drive for the storage of programs and data, and may also be coupled to a network through which the CPU may communicate with a variety of other system resources and devices. The CPU is further coupled to a display device such as a CRT or liquid crystal display, on which the present invention is displayed. The user interface of the present invention includes an object oriented graphic user interface having overlapping windows. The present invention includes an access window having topics, index and look for button functions for selection by a user. Through the use of the topics, index or look for functions, a help inquiry is defined. The selection of one of the button functions results in the CPU generating and displaying entries in a predefined area of the access window.Type: GrantFiled: January 27, 1993Date of Patent: October 20, 1998Assignee: Apple Computer, Inc.Inventors: James Edward Palmer, Patricia J. Coleman, Jeffrey Alan Herman, Eli Cochran, John Richard Powers, III