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David Carroll Challener
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Raleigh, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Securely backing up and restoring a computer system using a trusted OS
Patent number
12,105,596
Issue date
Oct 1, 2024
CYNTEGRA LTD
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for preventing access by malware to locally ba...
Patent number
10,049,215
Issue date
Aug 14, 2018
The Johns Hopkins University
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote computer lockdown
Patent number
9,792,453
Issue date
Oct 17, 2017
Lenovo (Singapore) Pte. Ltd.
David Carroll Challener
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Preventing redirection loops during collaborative web browsing
Patent number
9,509,767
Issue date
Nov 29, 2016
Lenovo (Singapore) Pte. Ltd.
Sean M. Ulrich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Merging external NVRAM with full disk encryption
Patent number
9,323,956
Issue date
Apr 26, 2016
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audit trails for electronic financial transactions
Patent number
9,015,078
Issue date
Apr 21, 2015
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for sharing an integrity security module in a...
Patent number
8,943,329
Issue date
Jan 27, 2015
Lenovo (Singapore) Pte. Ltd.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Collaborative web navigation using document object model (DOM) base...
Patent number
8,924,863
Issue date
Dec 30, 2014
Lenovo (Singapore) Pte. Ltd.
Jennifer G. Zawacki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Systems and methods for disk encryption with two keys
Patent number
8,886,962
Issue date
Nov 11, 2014
Lenovo (Singapore) Pte. Ltd.
Jeffrey R. Hobbett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Combined tap sequence and camera based user interface
Patent number
8,797,274
Issue date
Aug 5, 2014
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Management of hardware passwords
Patent number
8,756,667
Issue date
Jun 17, 2014
Lenovo (Singapore) Pte. Ltd.
Randall S. Springfield
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Techniques for updating a relevant document list associated with a...
Patent number
8,738,651
Issue date
May 27, 2014
Lenovo (Singapore) Pte. Ltd.
Jennifer G. Zawacki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote disablement of a computer system
Patent number
8,702,812
Issue date
Apr 22, 2014
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and arrangements for effecting supplementary mail transfer...
Patent number
8,707,327
Issue date
Apr 22, 2014
Lenovo (Singapore) Pte. Ltd.
Howard Locker
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preventing redirection loops during collaborative web browsing
Patent number
8,706,811
Issue date
Apr 22, 2014
Lenovo (Singapore) Pte. Ltd.
Sean M. Ulrich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus, system, and method for securely authorizing changes to a...
Patent number
8,706,642
Issue date
Apr 22, 2014
Lenovo (Singapore) Pte. Ltd.
Stacy John Cannady
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for preventing malicious software from execution within a co...
Patent number
8,694,797
Issue date
Apr 8, 2014
Lenovo (Sinapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for measuring staleness of attestation during boo...
Patent number
8,667,263
Issue date
Mar 4, 2014
The Johns Hopkins University
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote registration of biometric data into a computer
Patent number
8,667,577
Issue date
Mar 4, 2014
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus, system, and method for digital voice call redirection
Patent number
8,620,291
Issue date
Dec 31, 2013
Lenovo (Singapore) Pte. Ltd.
Howard J. Locker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power saving secondary processing unit for an electronic device
Patent number
8,607,085
Issue date
Dec 10, 2013
Lenovo (Singapore) Pte. Ltd.
Russell A. Resnick
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Password management outside of a BIOS
Patent number
8,566,600
Issue date
Oct 22, 2013
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for secure usage of peripheral devices using shar...
Patent number
8,539,572
Issue date
Sep 17, 2013
Lenovo (Singapore) Pte. Ltd.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Techniques for controlling operation of a device with a virtual tou...
Patent number
8,525,776
Issue date
Sep 3, 2013
Lenovo (Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote PC bootup via a handheld communication device
Patent number
8,504,810
Issue date
Aug 6, 2013
Lenovo (Singapore) Pte. Ltd.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Blocking computer system ports on per user basis
Patent number
8,499,345
Issue date
Jul 30, 2013
Lenovo (Singapore) Pte. Ltd.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Internet appliance integrating telephone function security and guid...
Patent number
8,495,728
Issue date
Jul 23, 2013
International Business Machines Corporation
David Carroll Challener
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Securely creating an endorsement certificate in an insecure environ...
Patent number
8,495,361
Issue date
Jul 23, 2013
International Business Machines Corporation
Ryan Charles Catherman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Techniques for capturing identifying information on a device user
Patent number
8,490,200
Issue date
Jul 16, 2013
Lenovo (Singapore) Pte. Ltd.
David Rivera
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus, system, and method for auditing access to secure data
Patent number
8,473,752
Issue date
Jun 25, 2013
Lenovo (Singapore) Pte. Ltd.
Howard J. Locker
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Method and Apparatus for Securely Backing Up and Restoring a Comput...
Publication number
20230009355
Publication date
Jan 12, 2023
Cyntegra Ltd
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and Method for Preventing Access by Malware to Locally Ba...
Publication number
20170076096
Publication date
Mar 16, 2017
The Johns Hopkins University
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PREVENTING REDIRECTION LOOPS DURING COLLABORATIVE WEB BROWSING
Publication number
20140229548
Publication date
Aug 14, 2014
LENOVO (SINGAPORE) PTE. LTD.
Sean M. Ulrich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEMS AND METHODS FOR DISK ENCRYPTION WITH TWO KEYS
Publication number
20110246784
Publication date
Oct 6, 2011
LENOVO (SINGAPORE) PTE. LTD.
Jeffrey R. Hobbett
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
APPARATUS, SYSTEM, AND METHOD FOR DIGITAL VOICE CALL REDIRECTION
Publication number
20110244841
Publication date
Oct 6, 2011
LENOVO (SINGAPORE) PTE, LTD.
Howard J. Locker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIT TRAILS FOR ELECTRONIC FINANCIAL TRANSACTIONS
Publication number
20110238541
Publication date
Sep 29, 2011
LENOVO (SINGAPORE) PTE. LTD.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR SHARING AN INTEGRITY SECURITY MODULE IN A...
Publication number
20110238967
Publication date
Sep 29, 2011
LENOVO (SINGAPORE) PTE, LTD.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
APPARATUS, SYSTEM, AND METHOD FOR AUDITING ACCESS TO SECURE DATA
Publication number
20110231671
Publication date
Sep 22, 2011
LENOVO (SINGAPORE) PTE, LTD.
Howard J. Locker
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method for Measuring Staleness of Attestation Measurements
Publication number
20110213953
Publication date
Sep 1, 2011
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
APPARATUS, METHOD, AND SYSTEM FOR TOUCH AND GESTURE DETECTION
Publication number
20110050639
Publication date
Mar 3, 2011
LENOVO (SINGAPORE) PTE, LTD.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURITY FOR STORAGE DEVICES
Publication number
20100250959
Publication date
Sep 30, 2010
Lenovo(Singapore) Pte. Ltd.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD, APPARATUS, AND SYSTEM OF FORWARD CACHING FOR A MANAGED CLIENT
Publication number
20100205375
Publication date
Aug 12, 2010
LENOVO (SINGAPORE) PTE, LTD.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MANAGEMENT OF HARDWARE PASSWORDS
Publication number
20100162373
Publication date
Jun 24, 2010
LENOVO (SINGAPORE) PTE. LTD.
Randall S. Springfield
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method for Generalized Authentication
Publication number
20100158253
Publication date
Jun 24, 2010
LENOVO (SINGAPORE) PTE. LTD.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ENERGY SAVING SUBSYSTEM FOR AN ELECTRONIC DEVICE
Publication number
20100162015
Publication date
Jun 24, 2010
Russell A. Resnick
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus, System, and Method for Power Management Utilizing Multip...
Publication number
20100146317
Publication date
Jun 10, 2010
LENOVO (SINGAPORE) PTE, LTD.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
THREE-DIMENSIONAL USER INTERFACE
Publication number
20100134409
Publication date
Jun 3, 2010
LENOVO (SINGAPORE) PTE. LTD.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMBINED TAP SEQUENCE AND CAMERA BASED USER INTERFACE
Publication number
20100134421
Publication date
Jun 3, 2010
Lenovo (Singapore) Pte. Ltd., Singapore
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus, System, and Method for Granting Hypervisor Privileges
Publication number
20100122250
Publication date
May 13, 2010
LENOVO (SINGAPORE) PTE, LTD.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD, APPARATUS, AND SYSTEM FOR QUIESCING A BOOT ENVIRONMENT
Publication number
20100115256
Publication date
May 6, 2010
LENOVO (SINGAPORE) PTE, LTD.
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD, APPARATUS, AND SYSTEM FOR ADAPTING POWER CONSUMPTION
Publication number
20100106994
Publication date
Apr 29, 2010
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Techniques for Controlling Operation of a Device with a Virtual Tou...
Publication number
20100103141
Publication date
Apr 29, 2010
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Techniques for Creating A Virtual Touchscreen
Publication number
20100090983
Publication date
Apr 15, 2010
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Blocking Computer System Ports on Per User Basis
Publication number
20100083366
Publication date
Apr 1, 2010
David Carroll Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR WEB SITE DRIVEN COLLABORATIVE WEB BROWSING
Publication number
20100082746
Publication date
Apr 1, 2010
Sean M. Ulrich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COLLABORATIVE WEB NAVIGATION USING DOCUMENT OBJECT MODEL (DOM) BASE...
Publication number
20100083135
Publication date
Apr 1, 2010
LENOVO (SINGAPORE) PTE. LTD.
Jennifer G. Zawacki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
REMOTE REGISTRATION OF BIOMETRIC DATA INTO A COMPUTER
Publication number
20100083357
Publication date
Apr 1, 2010
LENOVO (SINGAPORE) PTE. LTD.
David C. Challener
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PREVENTING REDIRECTION LOOPS DURING COLLABORATIVE WEB BROWSING
Publication number
20100083132
Publication date
Apr 1, 2010
LENOVO (SINGAPORE) PTE. LTD.
Sean M. Ulrich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MAINTAINING NETWORK LINK DURING SUSPEND STATE
Publication number
20100058082
Publication date
Mar 4, 2010
Lenovo (Singapore) Ple., Ltd.
Howard Jeffrey Locker
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Slate Wireless Keyboard Connection and Proximity Display Enhancemen...
Publication number
20100039387
Publication date
Feb 18, 2010
Howard Locker
G06 - COMPUTING CALCULATING COUNTING