LexDanaLexDanabeta
Inventor

ROLF RUSTAD

Inventor
NO

Overview

4→
Patents
2022–2025
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.

E21Bprimary
E21BEarth or rock drilling19%
G01FMeasuring volume, volume flow, mass flow or liquid level19%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
C10GCracking hydrocarbon oils6%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6%
G01VGeophysics6%
G05BControl or regulating systems in general6%
G05DSystems for controlling or regulating non-electric variables6%
G10KSound-producing devices6%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%
PatentTitleYear
12,460,958Flowmeter with attenuating ribbed transducer housings202512,398,329Additive management system202512,320,777Oilfield production particulate monitoring assembly202511,221,431Mid-infrared carbon dioxide sensor2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (1)· patent assignee history
2022–2025Based in NO· patent location history
2025Patents assigned to ONESUBSEA IP UK LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ONESUBSEA IP UK LTD32025
SCHLUMBERGER TECHNOLOGY CORP12022
Locations
LocationPatentsSpan
NO42022–2025