SHARC Energy Receives United States and European Patents

Rhea-AI Summary

SHARC Energy (OTCQB: INTWF), a pioneer in Wastewater Energy Transfer (WET) technology, has secured significant patents in the United States (Patent No. 12,415,149) and Europe (Patent No. 4 282 506) for its SHARC wastewater heat exchange system. The US patent provides protection until February 14, 2043, while the European patent extends until July 2, 2042.

The company has also filed patent applications in multiple countries including Canada, Australia, UK, Mexico, UAE, Saudi Arabia, India, and South Korea. SHARC Energy is currently validating protection across 18 EU member states. These patents build upon their existing Canadian patent (No. 2,926,576) from June 2020, strengthening their position in major WET markets.

VANCOUVER, British Columbia, Sept. 23, 2025 (GLOBE NEWSWIRE) -- SHARC International Systems Inc. (CSE: SHRC) (FSE: IWIA) (OTCQB: INTWF) ("SHARC Energy" or the “Company”), the pioneer of Wastewater Energy Transfer (“WET”), is pleased to provide an update on the Company’s expanding portfolio of intellectual property protecting its flagship SHARC WET technology.

United States and European Patents Granted

SHARC Energy has been granted key patents for its latest SHARC wastewater heat exchange system in both the United States (Patent No. 12,415,149, issued September 16, 2025) and Europe (Patent No. 4 282 506, granted September 3, 2025).

• United States: The newly granted United States patent provides protection until February 14, 2043, contingent on payment of annual renewal fees in the selected validation countries.
  
• Europe: The newly granted European patent provides protection until July 2, 2042, contingent on payment of annual renewal fees in the selected validation countries.
  

These grants build on the Company’s Canadian patent (No. 2,926,576) issued June 9, 2020, further strengthening SHARC Energy’s competitive position in three of the world’s largest markets for district and building-scale WET.

Global Patent Filings Underway

The Company previously filed an international patent application under the Patent Cooperation Treaty (PCT), securing global patent-pending status for 30 months from the filing date. Leveraging funding support from Global Affairs Canada’s CanExport SME program and the Trade Commissioner Service, SHARC Energy has initiated a broad national-phase filing strategy. Applications for the SHARC wastewater heat exchange system are now filed and pending in Canada, Australia, the United Kingdom, Mexico, United Arab Emirates, Saudi Arabia, India, and South Korea, with additional European “Unitary Patent” validations planned in multiple EU member states.

European Validation in Progress

Following the recent European grant, SHARC Energy is completing the process of validating protection across key EU jurisdictions to ensure broad coverage across priority European markets. These would include Austria, Belgium, Bulgaria, Denmark, Estonia, Finland, France, Germany, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Slovenia, Spain and Sweden.

“Our best-in-class technology empowers municipalities, utilities, and developers worldwide to unlock the vast, renewable energy contained in wastewater,” said Hanspaul Pannu, CFO & COO. “These new patents further solidify SHARC Energy’s position at the forefront of the global wastewater energy transfer industry, ensuring that our innovations remain protected as we expand our footprint across North America, Europe, and beyond.”

The issuance of these patents is timely as SHARC Energy anticipates significant growth in orders over the next 12-15 months. The Company remains committed to safeguarding its intellectual property and will continue to pursue additional patents as innovations evolve where applicable. For more information regarding SHARC Energy and its projects, please visit www.sharcenergy.com.

About SHARC Energy
  
SHARC International Systems Inc. is a world leader in energy recovery from the wastewater we send down the drain every day. SHARC Energy's systems recycle thermal energy from wastewater, generating one of the most energy-efficient and economical systems for heating, cooling & hot water production for commercial, residential, and industrial buildings along with thermal energy networks, commonly referred to as “District Energy”.

SHARC Energy is publicly traded in Canada (CSE: SHRC), the United States (OTCQB: INTWF) and Germany (Frankfurt: IWIA) and you can find out more on our SEDAR profile.

Learn more about SHARC Energy: Website | Investor Page | LinkedIn | YouTube | PIRANHA | SHARC

ON BEHALF OF THE BOARD

Fred Andriano
Chairman

For investor inquiries, please contact:
Hanspaul Pannu
Chief Financial & Operating Officer
SHARC Energy
Telephone: (604) 475-7710 ext. 4
Email: hanspaul.pannu@sharcenergy.com

For media inquiries, please contact:
John Louis Fahie
Marketing
SHARC Energy
Telephone: 604.475.7710 Ext.109
Email: johnlouis.fahie@sharcenergy.com

The Canadian Securities Exchange does not accept responsibility for the adequacy or accuracy of this release.

Forward-Looking Statements 
Certain statements contained in this news release may constitute forward-looking information. Forward-looking information is often, but not always, identified using words such as “anticipate”, “plan”, “estimate”, “expect”, “may”, “will”, “intend”, “should”, and similar expressions. Forward-looking information involves known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking information. SHARC Energy’s actual results could differ materially from those anticipated in this forward-looking information because of regulatory decisions, competitive factors in the industries in which the Company operates, prevailing economic conditions, and other factors, many of which are beyond the control of the Company. SHARC Energy believes that the expectations reflected in the forward-looking information are reasonable, but no assurance can be given that these expectations will prove to be correct and such forward-looking information should not be unduly relied upon. Any forward-looking information contained in this news release represents the Company’s expectations as of the date hereof and is subject to change after such date. The Company disclaims any intention or obligation to update or revise any forward-looking information whether because of new information, future events or otherwise, except as required by applicable securities legislation. 

FAQ

What patents did SHARC Energy (INTWF) receive in 2025?

SHARC Energy received two key patents for its wastewater heat exchange system: US Patent No. 12,415,149 (issued September 16, 2025) and European Patent No. 4 282 506 (granted September 3, 2025).

How long will SHARC Energy's new US and European patents provide protection?

The US patent provides protection until February 14, 2043, while the European patent extends until July 2, 2042, both contingent on payment of annual renewal fees.

In which countries has SHARC Energy filed patent applications?

SHARC Energy has filed patent applications in Canada, Australia, United Kingdom, Mexico, UAE, Saudi Arabia, India, and South Korea, with plans for additional European Unitary Patent validations.

Which EU member states is SHARC Energy targeting for patent validation?

SHARC Energy is pursuing validation in 18 EU countries including Austria, Belgium, Bulgaria, Denmark, Estonia, Finland, France, Germany, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Slovenia, Spain and Sweden.

What is SHARC Energy's core technology?

SHARC Energy specializes in Wastewater Energy Transfer (WET) technology, specifically their SHARC wastewater heat exchange system that unlocks renewable energy from wastewater.