Inventor

Thomas B. Pritchard

Inventor
Brush Prairie, WA, US

Overview

17→
Patents
1990–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 17 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television40%
G06KGraphical data reading20%
G06TImage data processing or generation, in general12%
B41JTypewriters8%
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers4%
G01CMeasuring distances, levels or bearings4%
G01RMeasuring electric variables4%
H05FStatic electricity4%
Y02TClimate change mitigation technologies related to transportation4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to HEWLETT PACKARD CO (9)· patent assignee history
1990–1994Based in Vancouver, WA, US· patent location history
1997–2008Based in Brush Prairie, WA, US· patent location history
2000Based in Prairie, WA, US· patent location history
2003–2008Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (6)· patent assignee history
2016Patents assigned to GOOGLE INC (1)· patent assignee history
2016Based in London, GB· patent location history
2021Patents assigned to RAYTHEON TECH CORP (1)· patent assignee history
2021Patents assigned to UNITED TECHNOLOGIES CORP (1)· patent assignee history
2021Based in Boston, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD CO91990–2001
HEWLETT PACKARD DEVELOPMENT CO62003–2008
GOOGLE INC12016
RAYTHEON TECH CORP12021
UNITED TECHNOLOGIES CORP12021
Locations
LocationPatentsSpan
Brush Prairie, Washington, US101997–2008
Vancouver, Washington, US41990–1994
Boston, Massachusetts, US12021
London, GB12016
Prairie, Washington, US12000