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Inventor

Brian R. Hall

Inventor
Seattle, WA, US

Overview

7→
Patents
1979–2010
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification21%
B01LChemical or physical laboratory apparatus for general use14%
F16KValves14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
H04LTransmission of digital information, e.g. telegraphic communication14%
F16LPipes7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
G06FElectric digital data processing7%
PatentTitleYear
7,761,912'Reputation driven firewall'20107,574,322'Automated client device management'20097,249,751'Ball valve with shear bushing and integral bracket for stem blowout protection'20077,093,819'Ball valve with shear bushing and integral bracket for stem blowout protection'20066,881,580'Environmental containment methods for a flow cytometer'20056,780,377'Environmental containment system for a flow cytometer'20044,172,312'Method of making expandable seal for use between a recuperator tube and recuperator'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to BRITISH STEEL CORP (1)· patent assignee history
1979Based in Norbury, GB· patent location history
2004Patents assigned to DAKOCYTOMATION DENMARK AS (1)· patent assignee history
2004–2005Based in Fort Collins, CO, US· patent location history
2005Patents assigned to DAKOCYTOMATION COLORADO INC (1)· patent assignee history
2006–2007Patents assigned to MOGAS IND INC (2)· patent assignee history
2006Based in Humble, TX, US· patent location history
2007Based in Houston, TX, US· patent location history
2009–2010Patents assigned to MICROSOFT CORP (2)· patent assignee history
2009–2010Based in Seattle, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MICROSOFT CORP22009–2010
MOGAS IND INC22006–2007
BRITISH STEEL CORP11979
DAKOCYTOMATION COLORADO INC12005
DAKOCYTOMATION DENMARK AS12004
Locations
LocationPatentsSpan
Seattle, Washington, US22009–2010
Fort Collins, CO, US22004–2005
Houston, Texas, US12007
Humble, Texas, US12006
Norbury, GB11979