March 6,2000 -A New pressure measuring spark plug is introduced at SAE2000

February 19, 1999 -A miniature high-temperature pressure sensor will be introduced by Optrand at SAE'99

January 14, 1998 - Optrand introduces AutoPSI-HT sensor with a signal conditioner rated for 125C

August 13, 1997 - Optrand introduces CALplug - a new generation of pressure indicating spark plugs

August 4, 1997 - Optrand introduces AutoPSI-DC - static pressure sensor for high temperature applications

August 4, 1997 - Optrand introduces a range of temperature-compensated AutoPSI-TC pressure sensors

February 6, 1997 - Optrand introduces a new 700 bar (~15,000 psi) combustion pressure sensor

February 6, 1997 - Optrand introduces the World's Smallest Combustion Pressure Sensor at SAE'97

August 9, 1996 - Optrand introduces the AutoPSI-S sensor system

January 10, 1996 - Optrand introduces the AutoPSI system

January 8, 1996 - Optrand introduces the PSIplug spark plug integrated sensor system

November 14, 1995 - Optrand introduces a new sensor for diesel engine applications, Model OPS-350

"Embedded Fiber-Optic Combustion-Pressure Sensors for Advanced Electronic Engine Control"

"Fiber-Optic Pressure Sensors for Harsh Environment Applications"

Title US Patent # Date Issued
Fiber Optic Combustion Pressure Sensors for Engine Knock and Misfire Detection 6,131,465 October 17, 2000
Integrated Fiber Optic Combustion Pressure Sensor 6,122,971 September 26, 2000
Fiber Optic Combustion Pressure Sensor with Improved Long-Term Reliablity 5,600,070 Feb. 4, 1997
Compensation and Status Monitoring Devices for Fiber Optic Intensity-Modulated Sensors 5,600,125 Feb. 4, 1997
Fiber Optic Microbend Sensor for Engine Knock and Misfire Detection. 5,421,195 Jun. 6, 1995
Fiber Optic Diaphragm Sensors for Engine Knock and Misfire Detection 5,390,546 Feb. 21, 1995
Compensation and Status Monitoring Devices for Fiber Optic Intensity-Modulated EP0879401 Nov 25, 1998
Fuel Injectors with Integral Fiber Optic Pressure Sensors and Associated Compensation and Status Monitoring Devices WO9835210 Sept 13, 1997
Fiber Optic Combustion Pressure Sensors for Engine Knock and Misfire Detection WO9731251 Sept 28, 1997