Device for purifying exhaust gas of engines

Device for recognition of a child-restraint seat attached to...

Device for remote surveillance of the current supply to an elect

Device for repelling pests

Device for replacing battery in smoke alarm

Device for responding to state request on an open phone line

Device for securing a combination dial lock

Device for security systems for operation of habitats on...

Device for security systems for operation of habitats on...

Device for sensing a state change in a mechanical system, method

Device for sensing and alarming absence of water in a home...

Device for sensing continuity in a circuit having an open circui

Device for sensing fluid forces

Device for sensing side positioning of wafers

Device for sensing the level of a liquid within the interior of

Device for signaling conditions for electrical machines

Device for signaling the felling of a tree and a system for fore

Device for signaling the position of an elevator car in the...

Device for signalling a specific charge condition of an accumula

Device for signalling spatial separation or closeness beyond...