Individual holder
COUCH KEITH A
US·5 granted patents·10 citations·filing 2008–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0179US9238209B2Advanced elevated feed distribution apparatus and process for large diameter FCC reactor risersCOUCH KEITH A·Filed 2011·Granted Jan 19, 2016·4 cites·18 claims
- 0268US8323477B2Process for mixing regenerated and carbonized catalystCOUCH KEITH A·Filed 2008·Granted Dec 4, 2012·4 cites·17 claims
- 0360US8124822B2Process for preventing metal catalyzed cokingCOUCH KEITH A·Filed 2009·Granted Feb 28, 2012·1 cites·20 claims
- 0459US8124020B2Apparatus for preventing metal catalyzed cokingCOUCH KEITH A·Filed 2009·Granted Feb 28, 2012·1 cites·19 claims
- 0552US8691081B2Process for contacting hydrocarbon feed and catalystCOUCH KEITH A·Filed 2009·Granted Apr 8, 2014·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when COUCH KEITH A files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →