<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
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>tmb-20220701xs3002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: tmb-20220701xs3002.jpg
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</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
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