<SEC-DOCUMENT>0001558370-22-011383-index.html : 20220729
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<ACCEPTANCE-DATETIME>20220729173112
ACCESSION NUMBER:		0001558370-22-011383
CONFORMED SUBMISSION TYPE:	S-3/A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20220729
DATE AS OF CHANGE:		20220729

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:		S-3/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-265967
		FILM NUMBER:		221122062

	BUSINESS ADDRESS:	
		STREET 1:		8023 E. 63RD PLACE, SUITE 101
		CITY:			TULSA
		STATE:			OK
		ZIP:			74133
		BUSINESS PHONE:		(918) 236-7770

	MAIL ADDRESS:	
		STREET 1:		8023 E. 63RD PLACE, SUITE 101
		CITY:			TULSA
		STATE:			OK
		ZIP:			74133

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLEARSIGN COMBUSTION CORP
		DATE OF NAME CHANGE:	20080507
</SEC-HEADER>
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<TEXT>
Document 1 - file: tmb-20220729xs3a.htm

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<FILENAME>tmb-20220729xex5d1.htm
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Document 2 - file: tmb-20220729xex5d1.htm

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<DOCUMENT>
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<SEQUENCE>3
<FILENAME>tmb-20220729xex23d1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: tmb-20220729xex23d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>tmb-20220729xex23d2.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 4 - file: tmb-20220729xex23d2.htm

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Document 5 - file: tmb-20220729xs3a005.jpg

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Document 6 - file: tmb-20220729xs3a002.jpg

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<SEQUENCE>7
<FILENAME>tmb-20220729xs3a001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tmb-20220729xs3a001.jpg

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<DOCUMENT>
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<SEQUENCE>8
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<TEXT>
Document 8 - file: tmb-20220729xex5d1002.jpg

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<DOCUMENT>
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Document 9 - file: tmb-20220729xex5d1001.jpg

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