Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for providing air quality analysis based on human reactions and clustering methods

Method and apparatus for providing air quality analysis based on human reactions and clustering methods

US Patent 6231519 · Granted May 15, 2001

Estimated economic value: $106,217,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Digital manipulation of virtual user interface via activation of invisible virtu2025
Access management2021
System and method for distributing promotion messages to a communication termina2019
System and method for delivering representative media objects of a broadcast med2015
Dynamic radio data system options2014
Group communication device and method2013
Mobile communication terminal2012
Mobile communication terminal and method2012
Mobile station and interface adapted for feature extraction from an input media 2011
Group communication device and method2011
Real-time wireless e-coupon (promotion) definition based on available segment2010
Receiving and sending content items associated with a multimedia file2010