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Inventor

Christopher Kellogg

Inventor
San Francisco, CA, US

Overview

4→
Patents
1998–2020
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
G06FElectric digital data processing33%
G01RMeasuring electric variables17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,613,903Stream processing at scale202010,095,547Stream processing at scale20188,152,909'Gas chromatography check valve and system'20125,705,928'Sample delivery system used in chemical analysis methods which employs pressurized gas for sample conveyance'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to VARIAN ASSOCIATES (1)· patent assignee history
1998–2012Based in Walnut Creek, CA, US· patent location history
2012Patents assigned to BRUKER CHEMICAL ANALYSIS B V (1)· patent assignee history
2012Patents assigned to KELLOGG CHRISTOPHER CAMERON (1)· patent assignee history
2018–2020Patents assigned to TWITTER INC (2)· patent assignee history
2018–2020Based in San Francisco, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TWITTER INC22018–2020
BRUKER CHEMICAL ANALYSIS B V12012
KELLOGG CHRISTOPHER CAMERONself12012
VARIAN ASSOCIATES11998
Locations
LocationPatentsSpan
San Francisco, California, US22018–2020
Walnut Creek, California, US21998–2012