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Inventor

Christopher E. Koch

Inventor
Sacramento, CA, US

Overview

4→
Patents
1982–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
G01VGeophysics22%
Y10TTechnical subjects covered by former us classification22%
G01BMeasuring length, thickness or similar linear dimensions11%
LOC1411%
PatentTitleYear
D0842856Tablet computer20194,601,100'Method for making logging sleeve'19864,483,393'Well logging apparatus and method for making same'19844,312,223'Carrier system for positioning sensors adjacent a wire rope'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1986Patents assigned to EXPLORATION LOGGING INC (3)· patent assignee history
1982–1986Based in Sacramento, CA, US· patent location history
2019Patents assigned to GOOGLE LLC (1)· patent assignee history
2019Based in Santa Cruz, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXPLORATION LOGGING INC31982–1986
GOOGLE LLC12019
Locations
LocationPatentsSpan
Sacramento, California, US31982–1986
Santa Cruz, California, US12019