Assignee
CIDRA CORP
US129 patents
Top patents by PatentIndex Score
US6732575B2May 11, 2004
Fluid parameter measurement for industrial sensing applications using acoustic pressures
CIDRA CORP156 citations99
US6354147B1Mar 12, 2002
Fluid parameter measurement in pipes using acoustic pressures
CIDRA CORP370 citations99
US6233374B1May 15, 2001
Mandrel-wound fiber optic pressure sensor
CIDRA CORP201 citations99
US6229827B1May 8, 2001
Compression-tuned bragg grating and laser
CIDRA CORP130 citations99
US6016702AJan 25, 2000
High sensitivity fiber optic pressure sensor for use in harsh environments
CIDRA CORP297 citations99
US5892860AApr 6, 1999
Multi-parameter fiber optic sensor for use in harsh environments
CIDRA CORP281 citations99
US7367240B2May 6, 2008
Apparatus and method for providing a flow measurement compensated for entrained gas
CIDRA CORP56 citations98
US7363800B2Apr 29, 2008
Apparatus and method for measuring compositional parameters of a mixture
CIDRA CORP55 citations98
US7328624B2Feb 12, 2008
Probe for measuring parameters of a flowing fluid and/or multiphase mixture
CIDRA CORP68 citations98
US7165464B2Jan 23, 2007
Apparatus and method for providing a flow measurement compensated for entrained gas
CIDRA CORP68 citations98
US7096719B2Aug 29, 2006
Apparatus for measuring parameters of a flowing multiphase mixture
CIDRA CORP80 citations98
US7032432B2Apr 25, 2006
Apparatus and method for measuring parameters of a mixture having liquid droplets suspended in a vapor flowing in a pipe
CIDRA CORP114 citations98
US6889562B2May 10, 2005
Flow rate measurement for industrial sensing applications using unsteady pressures
CIDRA CORP148 citations98
US6489606B1Dec 3, 2002
Bragg grating sensor system with spectral response or code division multiplexing
CIDRA CORP84 citations98
US6470036B1Oct 22, 2002
Tunable external cavity semiconductor laser incorporating a tunable bragg grating
CIDRA CORP104 citations98
US6450037B1Sep 17, 2002
Non-intrusive fiber optic pressure sensor for measuring unsteady pressures within a pipe
CIDRA CORP186 citations98
US6279660B1Aug 28, 2001
Apparatus for optimizing production of multi-phase fluid
CIDRA CORP138 citations98
US6191414B1Feb 20, 2001
Composite form as a component for a pressure transducer
CIDRA CORP98 citations98
US6175108B1Jan 16, 2001
Accelerometer featuring fiber optic bragg grating sensor for providing multiplexed multi-axis acceleration sensing
CIDRA CORP127 citations98
US6137621AOct 24, 2000
Acoustic logging system using fiber optics
CIDRA CORP92 citations98
US5987197ANov 16, 1999
Array topologies for implementing serial fiber Bragg grating interferometer arrays
CIDRA CORP119 citations98
US5986749ANov 16, 1999
Fiber optic sensing system
CIDRA CORP108 citations98
US5925879AJul 20, 1999
Oil and gas well packer having fiber optic Bragg Grating sensors for downhole insitu inflation monitoring
CIDRA CORP129 citations98
US7261002B1Aug 28, 2007
Flow rate measurement for industrial sensing applications using unsteady pressures
CIDRA CORP84 citations97
US7152460B2Dec 26, 2006
Apparatus and method for compensating a coriolis meter
CIDRA CORP78 citations97
US7134320B2Nov 14, 2006
Apparatus and method for providing a density measurement augmented for entrained gas
CIDRA CORP99 citations97
US6519388B1Feb 11, 2003
Tube-encased fiber grating
CIDRA CORP85 citations97
US6009216ADec 28, 1999
Coiled tubing sensor system for delivery of distributed multiplexed sensors
CIDRA CORP161 citations97
US5877426AMar 2, 1999
Bourdon tube pressure gauge with integral optical strain sensors for measuring tension or compressive strain
CIDRA CORP98 citations97
US7299705B2Nov 27, 2007
Apparatus and method for augmenting a Coriolis meter
CIDRA CORP44 citations96
US6988411B2Jan 24, 2006
Fluid parameter measurement for industrial sensing applications using acoustic pressures
CIDRA CORP62 citations96
US6959604B2Nov 1, 2005
Apparatus and method having an optical fiber disposed circumferentially around the pipe for measuring unsteady pressure within a pipe
CIDRA CORP93 citations96
US6956687B2Oct 18, 2005
Optical blocking filter having an array of micro-mirrors
CIDRA CORP58 citations96
US6826343B2Nov 30, 2004
Multi-core waveguide
CIDRA CORP66 citations96
US6621957B1Sep 16, 2003
Temperature compensated optical device
CIDRA CORP58 citations96
US6563968B2May 13, 2003
Tunable optical structure featuring feedback control
CIDRA CORP46 citations96
US6363089B1Mar 26, 2002
Compression-tuned Bragg grating and laser
CIDRA CORP54 citations96
US6321007B1Nov 20, 2001
Optical fiber having a bragg grating formed in its cladding
CIDRA CORP57 citations96
US6271766B1Aug 7, 2001
Distributed selectable latent fiber optic sensors
CIDRA CORP136 citations96
US6252656B1Jun 26, 2001
Apparatus and method of seismic sensing systems using fiber optics
CIDRA CORP68 citations96
US6249624B1Jun 19, 2001
Method and apparatus for forming a Bragg grating with high intensity light
CIDRA CORP67 citations96
US5973317AOct 26, 1999
Washer having fiber optic Bragg Grating sensors for sensing a shoulder load between components in a drill string
CIDRA CORP59 citations96
US5945665AAug 31, 1999
Bolt, stud or fastener having an embedded fiber optic Bragg Grating sensor for sensing tensioning strain
CIDRA CORP89 citations96
US5844667ADec 1, 1998
Fiber optic pressure sensor with passive temperature compensation
CIDRA CORP77 citations96
US5767411AJun 16, 1998
Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments
CIDRA CORP75 citations96
US6310990B1Oct 30, 2001
Tunable optical structure featuring feedback control
CIDRA CORP53 citations95
US6072567AJun 6, 2000
Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors
CIDRA CORP160 citations95
US6305227B1Oct 23, 2001
Sensing systems using quartz sensors and fiber optics
CIDRA CORP58 citations94
US7437946B2Oct 21, 2008
Apparatus and method for measuring a parameter of a multiphase flow
CIDRA CORP40 citations93
US7400985B2Jul 15, 2008
Apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe
CIDRA CORP25 citations93
Showing the top 50 of 129 patents by PatentIndex Score.