Southwest Sciences patent portfolio includes over 20 patents falling in six technology areas. For technology not listed here, please contact us.
Laser-Based Gas Detection
- Diode Laser-Based Ketone and Aldehyde Detection, U. S. Patent 7,790,467.
- Portable natural gas leak detector, U. S. Patent 7,710,568
- Gas measurement over extreme dynamic range of concentrations, U. S. Patent 7,616,316
- Oxygen Sensor for Aircraft Fuel Inerting Systems, U. S. Patent 7,352,464
- Laser Absorption Detection Enhancing Apparatus and Method, U. S. Patent 4,934,816
- Process for reducing interfering signals in optical measurements of water vapor, U. S. Patent 5,804,702
- Dual-modulation laser line-locking for wavelength modulation spectroscopy, U. S. Patent 5,969,825
- Phaseless wavelength modulation spectroscopy, U. S. Patent 5,973,782
- Dual-modulation laser line-locking technique for wavelength modulation spectroscopy U. S. Patent 6,351,309
- Wavelength modulation spectroscopy with multiple harmonic detection, U. S. Patent 6,356,350
- Photoacoustic Spectrometers, U. S. patents 6,552,792, 6,608,683 and 6,618,148
- Tone Burst Diode Laser Spectroscopy, U. S. Patent 6,611,335.
- Envelope Functions for Modulation Spectroscopy," U. S. Patents 6,940,599 and 7,230,711.
- Optical Absorbance Sensitivity and Reliability Improvement via Rotation of Sample Container, U. S. Patent 7,126,685
Measuring Electric and Magnetic Fields
- Electro-Optic Electric Field Probe, U. S. Patent 6,587,258
- Method and apparatus for determining wave characteristics from wave phenomena, U. S. Patent 6,219,142
Lasers and Optics
- Wavelength Agile External Cavity Diode Laser, U. S. Patent 6,683,895
- Discrete Wavelength-Locked External Cavity Laser U. S. Patent 6,914,917
- Broadband External Cavity Diode Laser, U. S. Patent 7,245,642.
- Near Re-Entrant Dense Pattern Optical Multipass Cell, U. S. Patent 7,307,716
- Dense pattern optical multipass cell, U. S. Patent 7,477,377
Laser-Based Imaging
- Method and Apparatus for Imaging Internal Structures of Transparent and Translucent Materials, U. S. Patent 7,079,254
- Method and Apparatus for Full Phase Interferometry, U. S. Patent 7,394,546.
Signal Processing
- Filtering to Measure Gas Concentrations from Spectral Features," U. S. Patent 6,615,142
- Determination of Fit Basis Functions," U. S. Patents 7,003,436 and 7,092,852
- Fire Alarm Algorithm using Smoke and Gas Sensors, U. S. Patent 7,142,105
Mass Spectroscopy and Ion Detection
- Mass Spectroscopic Method and Apparatus, U. S. Patent 5,015,848.
Contact Information
e-mail info@swsciences.com