Assignee
CRS IND
US·8 granted patents·138 citations·filing 1974–2021
Top patents by PatentIndex Score
8 records- 0177US10155228B1Plenum for air purification systemCRS IND·Filed 2016·Granted Dec 18, 2018·3 cites·19 claims
- 0273US11867606B1Air quality sensor systemCRS IND·Filed 2021·Granted Jan 9, 2024·1 cites·18 claims
- 0369US5061296AAir purification systemCRS IND·Filed 1990·Granted Oct 29, 1991·50 cites·20 claims
- 0467US5542964AMethod of air purificationCRS IND·Filed 1995·Granted Aug 6, 1996·32 cites·9 claims
- 0561US3977848AElectrostatic precipitator and gas sensor controlCRS IND·Filed 1974·Granted Aug 31, 1976·23 cites·22 claims
- 0657US5401299AAir purification apparatusCRS IND·Filed 1993·Granted Mar 28, 1995·22 cites·16 claims
- 0735US10183299B1Air purification systemCRS IND·Filed 2015·Granted Jan 22, 2019·0 cites·16 claims
- 0835US4019367ALinearized odor transducerCRS IND·Filed 1975·Granted Apr 26, 1977·7 cites·6 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →