Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ultrasound sensor for a fumes extractor hood

Ultrasound sensor for a fumes extractor hood

US Patent 6324889 · Granted Dec 4, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Temperature measuring device, electric appliance having such a temperature measu2016
Operating unit for an electrical device2014
Method for operating a piezoceramic sensor and circuit for carrying out the meth2014
Control mechanism for an electrical appliance and evaluation method for the cont2014
Signal transmitter device comprising an electrical acoustic signal transmitter2014
Display device comprising a three-dimensional light distributing body2013
Ventilation device, particularly an exhaust hood with air flow control means2008
Circuit arrangement for actuating a display2005
Circuit arrangement for the control of a ventilator1991
Electronic acoustic signal emitter1989