LED based aviation light.

LED signal light for railway.

Electronic circuit to protect load power supply from overload.

Obstacle demarcation light.

High intensity low power revolving light.

Device for conversional / diverging LED(s) light at a predetermined distance.

A replaceable protecting device for electrical equipment.

Method and system for power distribution.

Shelter.

 TUV

 ICAO

 Bureau of Energy Efficiency

 ERTL

 NPL

 ERDA