Inventor

Craig A. Walrath

Inventor

Spring, TX, US

Overview

29→

Patents

1993–2020

Patent span

Physics

Primary field (CPC G)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing47%

H04LTransmission of digital information, e.g. telegraphic communication15%

H04WWireless communication networks12%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use10%

H04MTelephonic communication7%

G01RMeasuring electric variables5%

G06TImage data processing or generation, in general2%

G09GArrangements or circuits for control of indicating devices using static means to present variable information2%

PatentTitleYear

10,860,745Securing data2020 10,848,305Key generation information trees2020 10,521,006Report updated threshold level based on parameter2019 10,353,816Page cache in a non-volatile memory2019 10,228,745Resuming a system-on-a-chip device2019 10,064,228Portable computing device for wireless communications and method of operation2018 10,061,380Report updated threshold level based on parameter2018 9,730,272'Portable computing device for wireless communications and method of operation'2017 9,491,627'Recovering data in a storage medium of an electronic device that has been tampered with'2016 9,397,834'Scrambling an address and encrypting write data for storing in a storage device'2016 9,369,564'Portable computing device for wireless communications and method of operation'2016 9,360,917'Report updated threshold level based on parameter'2016 9,317,309'Virtualized environment allocation system and method'2016 9,269,122'First and second software stacks and discrete and integrated graphics processing units'2016 8,839,000'System and method for securely storing data in an electronic device'2014 8,312,559'System and method of wireless security authentication'2012 8,004,234'Prioritizing power-consuming applications of an electronic device powered by a battery'2011 7,934,107'Power management system and method'2011 7,881,267'Portable computing device for wireless communications and method of operation'2011 7,834,585'Prioritizing power-consuming applications of an electronic device powered by a battery'2010 7,598,702'Power management system and method for controlling use of power-consuming applications'2009 7,558,227'System and method for monitoring for wake events in a wireless local area network'2009 6,446,149'Self-modifying synchronization memory address space and protocol for communication between multiple busmasters of a computer system'2002 5,454,082'System for preventing an unselected controller from transferring data via a first bus while concurrently permitting it to transfer data via a second bus'1995 5,418,914'Retry scheme for controlling transactions between two busses'1995 5,392,407'Multi-port processor with peripheral component interconnect port and rambus port'1995 5,386,540'Method and apparatus for transferring data within a computer using a burst sequence which includes modified bytes and a minimum number of unmodified bytes'1995 5,359,715'Architectures for computer systems having multiple processors, multiple system buses and multiple I/O buses interfaced via multiple ported interfaces'1994 5,212,799'Method and apparatus for storing a data block in multiple memory banks within a computer'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1995Patents assigned to NCR CO (4)· patent assignee history

1993–1995Based in Easley, SC, US· patent location history

1995Patents assigned to NCR CORP (2)· patent assignee history

2002–2020Based in Spring, TX, US· patent location history

2009–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (20)· patent assignee history

2009–2020Based in Houston, TX, US· patent location history

2012–2016Patents assigned to WALRATH CRAIG A (7)· patent assignee history

2016–2017Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	20	2009–2020
WALRATH CRAIG Aself	7	2012–2016
NCR CO	4	1993–1995
HEWLETT PACKARD DEVELOPMENT CO LP	2	2016–2017
NCR CORP	2	1995

Locations

Location	Patents	Span
Spring, Texas, US	16	2002–2020
Houston, Texas, US	7	2009–2020
Easley, SC, US	6	1993–1995