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Inventor

Gary T. Barker

Inventor
Cambridge, CA

Overview

3→
Patents
1986–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F15Bprimary
F15BSystems acting by means of fluids in general29%
E21BEarth or rock drilling14%
F16KValves14%
F22BMethods of steam generation14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
11,022,299Multi-circulation heat recovery steam generator for enhanced oil recovery/steam assisted gravity drainage20217,306,195'Anti-icing actuator assembly for pneumatic valve'20074,610,193'Load control system'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to DEERE & CO (1)· patent assignee history
1986Based in Cedar Falls, IA, US· patent location history
2007Patents assigned to HONEYWELL INT INC (1)· patent assignee history
2007Based in Chandler, AZ, US· patent location history
2021Patents assigned to BABCOCK & WILCOX CANADA CORP (1)· patent assignee history
2021Patents assigned to BABCOCK & WILCOX POWER GENERATION GROUP CANADA LTD (1)· patent assignee history
2021Based in Cambridge, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BABCOCK & WILCOX CANADA CORP12021
BABCOCK & WILCOX POWER GENERATION GROUP CANADA LTD12021
DEERE & CO11986
HONEYWELL INT INC12007
Locations
LocationPatentsSpan
Cambridge, CA12021
Chandler, AZ, US12007
Cedar Falls, IA, US11986