Inventor

Robin T. Castell

Inventor

Spring, TX, US

Overview

24→

Patents

1995–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 24 as inventor

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

G06Fprimary

G06FElectric digital data processing23%

H04WWireless communication networks19%

H04MTelephonic communication12%

H01QAntennas, i.e. radio aerials11%

H04LTransmission of digital information, e.g. telegraphic communication11%

H04BTransmission7%

G06KGraphical data reading4%

H02JElectric power networks4%

H01RElectrically-conductive connections3%

G01SRadio direction-finding1%

PatentTitleYear

10,978,920Assisting wireless transfer of power to a machine2021 10,897,719Routing signals based on an orientation of devices with respect to each other2021 10,440,588Routing signals based on an orientation of devices with respect to each other2019 10,346,341Detecting orientation of a device docked to a docking station2019 10,285,011Determining locations for location signatures2019 10,170,851Connector with a wireless coupler2019 10,103,787Exchanging signals wirelessly between devices2018 10,064,228Portable computing device for wireless communications and method of operation2018 10,015,447Transmitting multimedia streams to users2018 9,753,506'Electronic devices with multi-layer heat reduction components'2017 9,730,272'Portable computing device for wireless communications and method of operation'2017 9,728,907'Interconnect assembly'2017 9,369,564'Portable computing device for wireless communications and method of operation'2016 8,326,347'Wireless communication system integrated into a computer display'2012 8,185,147'Wireless communication system integrated into a computer display'2012 7,881,267'Portable computing device for wireless communications and method of operation'2011 7,671,803'Wireless communication system'2010 6,870,733'Standardized RF module insert for a portable electronic processing device'2005 6,717,801'Standardized RF module insert for a portable electronic processing device'2004 6,295,460'Modem for selectively connecting to a land line or to a cellular telephone'2001 5,964,850'System for increasing functionality through a predefined interface by use of an interconnection device to switch a non-standard echo cancellation processor onto the interface'1999 5,931,929'Modem for connection to a telephone line through a either portable computer connector or a docking station'1999 5,768,615'Method and apparatus for functional expansion through predefined signal interfaces'1998 5,428,671'Modem for tight coupling between a computer and a cellular telephone'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2001Patents assigned to COMPAQ COMPUTER CORP (5)· patent assignee history

1995–2019Based in Spring, TX, US· patent location history

2004–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (15)· patent assignee history

2012–2016Patents assigned to WAGNER MATTHEW J (3)· patent assignee history

2012Patents assigned to CASTELL ROBIN T (2)· patent assignee history

2017Patents assigned to HEWLETT PACKARD DEVELOPMENT CO LP (3)· patent assignee history

2017–2021Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	15	2004–2021
COMPAQ COMPUTER CORP	5	1995–2001
HEWLETT PACKARD DEVELOPMENT CO LP	3	2017
WAGNER MATTHEW J	3	2012–2016
CASTELL ROBIN Tself	2	2012

Locations

Location	Patents	Span
Spring, Texas, US	14	1995–2019
Houston, Texas, US	10	2017–2021