Inventor

Mahmoud Farhadiroushan

Inventor

Elstree, GB

Overview

1996–2021

Patent span

Physics

Primary field (CPC G)

Patents· 40 as inventor

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

G01Dprimary

G01DMeasuring not specially adapted for a specific variable12%

E21BEarth or rock drilling11%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves11%

G01FMeasuring volume, volume flow, mass flow or liquid level8%

G01VGeophysics8%

G01MTesting static or dynamic balance of machines or structures7%

G01SRadio direction-finding6%

G01BMeasuring length, thickness or similar linear dimensions5%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%

G08BSignalling systems, e.g. personal calling systems5%

PatentTitleYear

11,125,909Enhanced seismic surveying2021 11,079,269Method and apparatus for optical sensing2021 11,022,467Method and apparatus for optical sensing2021 10,927,667Acoustic illumination for flow-monitoring2021 10,883,861Method and apparatus for optical sensing2021 10,877,001Multi-phase flow-monitoring with an optical fiber distributed acoustic sensor2020 10,704,932Range extension for optical fiber sensing systems2020 10,677,642Flexible substrate fiber optic sensing mat for distributed acoustic sensing2020 10,451,462Optical fiber cable2019 10,444,392Method and system for downhole object location and orientation determination2019 10,415,373Submersible pump monitoring2019 10,393,572Method and apparatus for optical sensing2019 10,393,573Method and apparatus for optical sensing2019 10,393,574Method and apparatus for optical sensing2019 10,345,139Non-isotropic acoustic cable2019 10,274,417Fibre optic monitoring installation and method2019 10,175,384Method and system for determining downhole optical fiber orientation and/or location2019 10,145,821Structure monitoring2018 10,048,115Optical sensor and method of use2018 9,989,388Optical fiber cable2018 9,983,293Method and system for locating an acoustic source2018 9,896,929'Acoustic illumination for flow-monitoring'2018 9,829,368Industrial process monitoring and imaging2017 9,823,114'Non-isotropic acoustic cable'2017 9,810,809'Method and system for determining downhole optical fiber orientation and/or location'2017 9,804,021'Method and apparatus for optical sensing'2017 9,651,474'Fibre optic monitoring installation and method'2017 9,541,426'Optical sensor and method of use'2017 9,541,425'Method and apparatus for optical sensing'2017 9,140,582'Optical sensor and method of use'2015 9,052,230'Industrial process monitoring and imaging'2015 8,005,323'Method and apparatus for generation and transmission of high energy optical pulses for long range measurements'2011 7,865,044'Sensing system using optical fiber suited to high temperatures'2011 7,769,260'Intervention rod'2010 7,355,163'Direct measurement of Brillouin frequency in distributed optical sensing systems'2008 6,417,926'Wavelength measuring system'2002 6,380,534'Distributed strain and temperature sensing system'2002 6,285,446'Distributed sensing system'2001 5,754,293'Apparatus for the simultaneous acquisition of high bandwidth information in very long arrays containing large numbers of sensor elements'1998 5,515,459'Optical fibre pressure sensor'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2021Based in London, GB· patent location history

2001–2011Patents assigned to SENSORNET LTD (7)· patent assignee history

2008–2011Based in Stanmore, GB· patent location history

2011Based in Middlesex, GB· patent location history

2015–2021Patents assigned to SILIXA LTD (31)· patent assignee history

2015–2021Patents assigned to CHEVRON USA INC (11)· patent assignee history

2015–2018Patents assigned to FARHADIROUSHAN MAHMOUD (6)· patent assignee history

2015–2017Patents assigned to PARKER TOM RICHARD (4)· patent assignee history

2017–2021Based in Elstree, GB· patent location history

2018Based in Hertfordshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SILIXA LTD	31	2015–2021
CHEVRON USA INC	11	2015–2021
SENSORNET LTD	7	2001–2011
FARHADIROUSHAN MAHMOUDself	6	2015–2018
PARKER TOM RICHARD	4	2015–2017

Locations

Location	Patents	Span
Elstree, GB	21	2017–2021
London, GB	14	1996–2021
Stanmore, GB	3	2008–2011
Hertfordshire, GB	1	2018
Middlesex, GB	1	2011