40 results
8-K
EX-99.2
CLIR
ClearSign Technologies Corp
15 Nov 23
ClearSign Technologies Corporation Provides Third Quarter 2023 Update
5:00pm
carbon dioxide and nitrogen oxides, or to enable our customers to transition to hydrogen or hydrogen fuels within the constraints of their current
8-K
EX-99.1
CLIR
ClearSign Technologies Corp
22 Sep 23
Receives Support and Collaboration from SoCalGas for its Flexible Hydrogen Fueled Ultra Low NOx Process Burner Project
4:05pm
emissions of both carbon dioxide and nitrogen oxides. Current burners and previous efforts to decarbonize industrial combustion processes through
8-K
EX-99.2
CLIR
ClearSign Technologies Corp
1 Sep 23
ClearSign Technologies Corporation Provides Second Quarter 2023 Update
4:31pm
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The anticipated outcome is to achieve reductions in the industrial emissions of both carbon dioxide and nitrogen oxides without the need of catalytic clean-up
8-K
EX-99.1
CLIR
ClearSign Technologies Corp
29 Aug 23
Other Events
4:15pm
, leading to reductions in the industrial emissions of both carbon dioxide and nitrogen oxides. Current burners and previous efforts to decarbonize
8-K
EX-99.2
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24 May 23
ClearSign Technologies Corporation Provides First Quarter 2023 Update
6:08am
8-K
EX-99.2
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7 Apr 23
ClearSign Technologies Corporation Provides Full Year 2022 Update
4:20pm
8-K
EX-99.1
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9 Dec 22
Regulation FD Disclosure
5:16pm
8-K
EX-99.1
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6 Sep 22
ClearSign Technologies Corporation Provides Second Quarter 2022 Update
8:00am
8-K
EX-99.2
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6 Sep 22
ClearSign Technologies Corporation Provides Second Quarter 2022 Update
8:00am
8-K
EX-99.1
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7 Jun 22
ClearSign Technologies Corporation Provides First Quarter 2022 Update
5:20pm
424B5
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31 May 22
Prospectus supplement for primary offering
4:43pm
424B5
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26 May 22
Prospectus supplement for primary offering
4:22pm
8-K
EX-99.2
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8 Apr 22
ClearSign Technologies Corporation Provides Full Year 2021 Update
9:20am
8-K
EX-99.2
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10 Sep 21
ClearSign Technologies Corporation Provides Second Quarter 2021 Update
5:28pm
8-K
EX-99.2
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21 Jun 21
ClearSign Technologies Corporation Provides First Quarter 2021 Update
9:00am
424B5
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23 Dec 20
Prospectus supplement for primary offering
5:11pm