LexDanaLexDanabeta
Inventor

David Holliday

Inventor
Spring, TX, US

Overview

11→
Patents
1992–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television26%
F16KValves16%
E21BEarth or rock drilling11%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes11%
F16JPistons5%
F16LPipes5%
H01QAntennas, i.e. radio aerials5%
H04BTransmission5%
LOC145%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
9,103,457'Assembly having a dual barrier gasket'20158,572,650'Receivers for television signals'20138,201,197'Television receiver utilizing extended service information'20127,389,253'Television broadcast receiver comprising a processor to provide an interactive services interface'20087,356,828'Receivers for television signals'20087,195,225'Rotary valve assembly'2007D0489711'Remote control'20046,661,373'Antenna alignment meter'20036,501,514'Receivers for television signals'20026,125,874'Gate valve having fail safe actuator'20005,127,629'Valve stem flex lip backseat'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Based in Houston, TX, US· patent location history
2000–2015Patents assigned to DRIL QUIP INC (3)· patent assignee history
2000–2015Based in Spring, TX, US· patent location history
2002–2013Patents assigned to BRITISH SKY BROADCASTING LTD (7)· patent assignee history
2002–2008Based in Isleworth, GB· patent location history
2004Based in Broxbourne, GB· patent location history
2008–2013Based in Middlesex, GB· patent location history
2012–2013Patents assigned to CROSSLEY ROBIN (2)· patent assignee history
2012–2013Patents assigned to HOLLIDAY DAVID (2)· patent assignee history
2012–2013Patents assigned to JAMES NICHOLAS (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH SKY BROADCASTING LTD72002–2013
DRIL QUIP INC32000–2015
CROSSLEY ROBIN22012–2013
HOLLIDAY DAVIDself22012–2013
JAMES NICHOLAS22012–2013
Locations
LocationPatentsSpan
Spring, Texas, US32000–2015
Middlesex, GB32008–2013
Isleworth, GB32002–2008
Broxbourne, GB12004
Houston, Texas, US11992