Inventor

Wei Zhang

Inventor

Houston, TX, US

Overview

1998–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 62 as inventor

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

E21Bprimary

E21BEarth or rock drilling14%

G01VGeophysics7%

H04LTransmission of digital information, e.g. telegraphic communication5%

H04WWireless communication networks5%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

G02BOptical elements, systems or apparatus4%

H04BTransmission4%

H02KDynamo-electric machines3%

G01CMeasuring distances, levels or bearings2%

G06FElectric digital data processing2%

PatentTitleYear

11,025,012High frequency electrical connector2021 10,720,177Mode hop mitigation solutions in a heat-assisted magnetic recording head2020 10,720,880Photovoltaic inverter2020 10,601,354Method and apparatus for on-line estimation of initial position of surface permanent magnet electric machine2020 10,529,468Enhanced data and power wireline2020 10,509,223System, method and computer program product for photometric system design and environmental ruggedization2019 10,480,261Enhanced radial support for wireline and slickline2019 10,459,011Method for multiplexing wheatstone bridge measurements2019 10,443,378Apparatus and method for downhole in-situ determination of fluid viscosity2019 10,400,532Downhole tool anchoring device2019 10,370,909Enhanced slickline2019 10,337,320Method and systems for capturing data for physical states associated with perforating string2019 10,294,783Selectable size sampling apparatus, systems, and methods2019 10,288,758Wide bandwidth borehole dipole source for acoustic logging2019 10,215,181Volute centrifugal fan with permanent-magnet brush-less motor system2019 10,218,435Multiple polarization fiber optic telemetry2019 10,209,390Measuring fluid conductivity2019 10,184,157Selective annealing process for perforation guns2019 10,117,007Routing node, optical switching network, and optical signal transmission method2018 9,983,258ATE digital channel for RF frequency/power measurement2018 9,939,347Distributed nondestructive inspection system and method for identifying slickline cable defects and mechanical strength degradation trend2018 9,857,530'Packaging systems and methods for optical light pipes'2018 9,800,123'Method for modifying stator tooth top arc of brushless DC motor'2017 9,703,014'Protective coating for optical elements'2017 9,678,244'Thin-layer spectroelectrochemical cell for use in subterranean formation operations'2017 9,644,953'Method and apparatus for aligning components of integrated optical sensors'2017 9,605,514'Using dynamic underbalance to increase well productivity'2017 9,575,199'Downhole fluid resistivity sensor systems and methods'2017 9,529,145'Optical element device and method of fabrication thereof'2016 9,388,687'Formation environment sampling apparatus, systems, and methods'2016 9,354,163'Methods to increase the number of filters per optical path in a downhole spectrometer'2016 9,356,599'Differential driver circuit having bias equalizing pre-drivers'2016 9,350,389'Error correction coding across multiple channels in content distribution systems'2016 9,270,316'Radio frequency front-end based on high-intermediate frequency superheterodyne and zero intermediate frequency structure'2016 9,243,474'Using dynamic underbalance to increase well productivity'2016 9,158,014'Acoustic source apparatus, systems, and methods'2015 9,145,516'Illuminating device and method for preparing inorganic nano-material'2015 9,091,151'Downhole optical radiometry tool'2015 8,947,147'Apparatus for high rotation rate low I/O count phase interpolator'2015 8,899,114'Energy intensity transformation'2014 8,792,500'Multiuser scheduling for MIMO broadcast channels with finite rate feedback'2014 8,762,063'Analyzing fluid within a context'2014 8,655,283'Cluster-based cooperative spectrum sensing in cognitive radio systems'2014 8,564,272'Integrated soft start circuits'2013 8,542,760'Full-rate distributed space-time codes for cooperative communications'2013 8,521,094'Power control in cognitive radio systems based on spectrum sensing side information'2013 8,509,567'Half pixel interpolator for video motion estimation accelerator'2013 8,406,303'Motion estimation using prediction guided decimated search'2013 8,315,663'Power control in cognitive radio systems based on spectrum sensing side information'2012 8,054,837'Multiuser scheduling for MIMO broadcast channels with finite rate feedback'2011 8,041,380'Power control in cognitive radio systems based on spectrum sensing side information'2011 7,965,641'Robust cooperative spectrum sensing for cognitive radios'2011 7,805,994'Silicon micromechanical gyroscope'2010 7,746,115'Data transfer cable for programmable logic devices'2010 7,730,781'Gas pendulum inertial sensor'2010 7,716,985'Piezoelectric quartz accelerometer'2010 7,603,786'Piezoelectric quartz level sensor'2009 7,598,627'Switch-mode power supply'2009 7,440,270'Mounting apparatus for data storage devices'2008 7,007,220'Error correction coding across multiple channels in content distribution systems'2006 6,326,706'Linear motor compressor'2001 5,818,131'Linear motor compressor and its application in cooling system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2010Based in Shenzhen, CN· patent location history

2009–2010Based in Beijing, CN· patent location history

2011–2014Patents assigned to LINGNA HOLDINGS PTE LLC (6)· patent assignee history

2011–2014Based in Hong Kong, CN· patent location history

2012–2020Patents assigned to ZHANG WEI (19)· patent assignee history

2012–2014Patents assigned to BEN LETAIEF KHALED (4)· patent assignee history

2014–2016Patents assigned to JONES CHRISTOPHER M (4)· patent assignee history

2014–2019Based in Houston, TX, US· patent location history

2015–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (26)· patent assignee history

2019–2020Based in Plano, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HALLIBURTON ENERGY SERVICES INC	26	2015–2020
ZHANG WEIself	19	2012–2020
LINGNA HOLDINGS PTE LLC	6	2011–2014
BEN LETAIEF KHALED	4	2012–2014
JONES CHRISTOPHER M	4	2014–2016

Locations

Location	Patents	Span
Houston, Texas, US	22	2014–2019
Hong Kong, CN	7	2011–2014
Plano, Texas, US	4	2019–2020
Beijing, CN	4	2009–2010
Shenzhen, CN	3	2008–2010