If for whatever reason you happen to be trying to identify what CL's you've owned and worked with over a date range, say, the last 3 months, then the following gerrit web UI query is probably of interest to you:
is:merged owner:<your-chromium-email> -age:3months
Gerrit querying is such that each parameter is implicitly AND'd together, unless you override it w/ OR. If you want to query for all changes, drop the 'is:' bit; or if you want to query for all merged/abandoned, use 'is:closed'. If you want to limit it to just a specific project, project:chromiumos/chromite for example; exempting a project, prefix the project query w/ '-' (which is the not operator).
~brian