Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Air quality indicator

Air quality indicator

US Patent 9833734 · Granted Dec 5, 2017

Estimated economic value: $39,442,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Powered room air purifier with easy-loading air filter2025
Conformable pleated air filter with bridging filaments2025
Powered room air purifier with air-quality visual indicator2024
Uniformly expandable air filter2023
Systems and methods for predicting HVAC filter change2022
Air filter media with post-pleat-deposited sorbent particles2022
Systems and methods for predicting HVAC filter change2022
Air filter with passivated filter life indicator2022
Uniformly expandable air filter2021
Nestable framed pleated air filter and method of making2021
Room air purifier with RFID reader2021
Air conditioner filter and method of manufacture2021