<SEC-DOCUMENT>0001558370-22-010504-index.html : 20220701
<SEC-HEADER>0001558370-22-010504.hdr.sgml : 20220701
<ACCEPTANCE-DATETIME>20220701151800
ACCESSION NUMBER:		0001558370-22-010504
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20220701
DATE AS OF CHANGE:		20220701

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
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-265967
		FILM NUMBER:		221061077

	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>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>tmb-20220701xs3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: tmb-20220701xs3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-4.2 <SEQUENCE>2 <FILENAME>tmb-20220701xex4d2.htm <DESCRIPTION>EX-4.2 <TEXT> Document 2 - file: tmb-20220701xex4d2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>3 <FILENAME>tmb-20220701xex5d1.htm <DESCRIPTION>EX-5.1 <TEXT> Document 3 - file: tmb-20220701xex5d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>4 <FILENAME>tmb-20220701xex23d1.htm <DESCRIPTION>EX-23.1 <TEXT> Document 4 - file: tmb-20220701xex23d1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.2 <SEQUENCE>5 <FILENAME>tmb-20220701xex23d2.htm <DESCRIPTION>EX-23.2 <TEXT> Document 5 - file: tmb-20220701xex23d2.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-FILING FEES <SEQUENCE>6 <FILENAME>tmb-20220701xexfilingfees.htm <DESCRIPTION>EX-FILING FEES <TEXT> Document 6 - file: tmb-20220701xexfilingfees.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>tmb-20220701xs3005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: tmb-20220701xs3005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>tmb-20220701xs3002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: tmb-20220701xs3002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>tmb-20220701xs3001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: tmb-20220701xs3001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>tmb-20220701xex5d1001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: tmb-20220701xex5d1001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>tmb-20220701xex5d1004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: tmb-20220701xex5d1004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>tmb-20220701xex5d1002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: tmb-20220701xex5d1002.jpg
</DOCUMENT> </SEC-DOCUMENT>