<SEC-DOCUMENT>0001144204-19-032759-index.html : 20190627
<SEC-HEADER>0001144204-19-032759.hdr.sgml : 20190627
<ACCEPTANCE-DATETIME>20190627170131
ACCESSION NUMBER:		0001144204-19-032759
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20190627
DATE AS OF CHANGE:		20190627

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEARSIGN COMBUSTION 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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-232402
		FILM NUMBER:		19926145

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>tv524217_s3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: tv524217_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>2
<FILENAME>tv524217_ex4-2.htm
<DESCRIPTION>EXHIBIT 4.2
<TEXT>
Document 2 - file: tv524217_ex4-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>tv524217_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: tv524217_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>tv524217_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 4 - file: tv524217_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tv524217_ex23-1img1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tv524217_ex23-1img1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tv524217_img01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tv524217_img01.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tv524217_img02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tv524217_img02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tv524217_img03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tv524217_img03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: image_001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>image_002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: image_002.jpg

</DOCUMENT>
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