* Clearsign Technologies Corp is expected to show a rise in quarterly revenue when it reports results on December 1.
* The Tulsa Oklahoma-based company is expected to report a 108.9% increase in revenue to $397 thousand from $190 thousand a year ago, according to the estimate from one analyst, based on Refinitiv data.
* Refinitiv's mean analyst estimate for Clearsign Technologies Corp is for a loss of 4 cents per share.
* The one available analyst rating on the shares is "buy".
* The mean earnings estimate of analysts was unchanged in the last three months. This summary was machine generated November 29 at 11:03 GMT. All figures in US dollars unless otherwise stated.