Determining solid particles in well production

Deterrent alarm system

Device and method for detaching an electronic article...

Device and method for detecting fire sources or gas impurities

Device and method for detecting leaks in pipelines

Device and method for detecting snow and ice

Device and method for locating seats in an enclosed space

Device and method for providing service assistance

Device and method using dielectrokinesis to locate entities

Device and process for magnetic material detection in...

Device for automatically detecting abnormal conditions in...

Device for changing the status of dual status magnetic...

Device for controlling a circuit

Device for controlling access to premises such as a water...

Device for detecting a fall into a swimming pool

Device for detecting and localizing a fault in an aerial...

Device for detecting and signalling or indicating status as...

Device for detecting motion in a confined space

Device for detecting object

Device for detecting rate of change in pressure