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ClearSign Combustion CorporationClearSign Combustion CorporationClearSign Combustion CorporationClearSign Combustion Corporation
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Our patented technologies, embedded in established OEM products as ClearSign Core™, and ClearSign Eye™ and other sensing configurations, enhance the performance of combustion systems and fuel safety systems in a broad range of markets, including the energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical, transport and power industries.

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ViewAll FilingsAnnual FilingsQuarterly FilingsCurrent FilingsRegistration StatementsSection 16Proxy & Information StatementsOther
FormDescriptionDateFormat
RWWithdrawal of registration statement filed under the Securities ActDec 6, 2017Open Withdrawal of registration statement filed under the Securities Act in HTML.Open Withdrawal of registration statement filed under the Securities Act in DOC file.Open Withdrawal of registration statement filed under the Securities Act in PDF file.Open Withdrawal of registration statement filed under the Securities Act in XLS file.
SC 13D/AAmendment to a SC 13D filingMar 14, 2017Open Amendment to a SC 13D filing in HTML.Open Amendment to a SC 13D filing in DOC file.Open Amendment to a SC 13D filing in PDF file.Open Amendment to a SC 13D filing in XLS file.
SC 13D/AAmendment to a SC 13D filingMar 8, 2017Open Amendment to a SC 13D filing in HTML.Open Amendment to a SC 13D filing in DOC file.Open Amendment to a SC 13D filing in PDF file.Open Amendment to a SC 13D filing in XLS file.
CERTNASWhen a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNASFeb 7, 2017Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in HTML.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in DOC file.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in PDF file.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in XLS file.
CERTNASWhen a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNASJan 25, 2017Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in HTML.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in DOC file.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in PDF file.Open When a company wishes to "uplist" from pinksheets to NASDAQ it must first file S-1 and S-1a until final approval. Once final approval is obtained the SEC files a CERTNAS in XLS file.
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Copyright 2022 ClearSign Technologies Corporation | All Rights Reserved.
  • Investors Home
  • News / Events
    • Company News
    • Events and Webcasts
    • Email Alerts
  • Company Information
    • Profile
    • FAQs
    • IR Contacts
    • Presentations
  • Stock Information
    • Stock Quote
    • Charts
    • Historical Data
  • Financial Information
    • Financials
    • Annual Reports
    • Proxy
  • SEC Filings
    • All SEC Filings
    • Section 16 Filings
  • Corporate Governance
    • Board of Directors
    • Board Committees
    • Governance Documents
ClearSign Combustion Corporation