<SEC-DOCUMENT>0001104659-20-097645-index.html : 20200821
<SEC-HEADER>0001104659-20-097645.hdr.sgml : 20200821
<ACCEPTANCE-DATETIME>20200821171145
ACCESSION NUMBER:		0001104659-20-097645
CONFORMED SUBMISSION TYPE:	424B2
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20200821
DATE AS OF CHANGE:		20200821

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ClearSign Technologies Corp
		CENTRAL INDEX KEY:			0001434524
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B2
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-232402
		FILM NUMBER:		201124136

	BUSINESS ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168
		BUSINESS PHONE:		(206) 673-4848

	MAIL ADDRESS:	
		STREET 1:		12870 INTERURBAN AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98168

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLEARSIGN COMBUSTION CORP
		DATE OF NAME CHANGE:	20080507
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B2
<SEQUENCE>1
<FILENAME>tm2029122-1_424b2.htm
<DESCRIPTION>424B2
<TEXT>
Document 1 - file: tm2029122-1_424b2.htm

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm2028978-1_424b2img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm2028978-1_424b2img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2028978-1_424b2img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2028978-1_424b2img002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2028978-1_424b2img003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2028978-1_424b2img003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm2028978-1_424b2img004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm2028978-1_424b2img004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: image_001.jpg

</DOCUMENT>
</SEC-DOCUMENT>