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Nalin Walpita
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Colombo, LK
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Patents Grants
last 30 patents
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Patent Grant
Solar heat engine system
Patent number
7,536,861
Issue date
May 26, 2009
Solartrec Inc.
Nalin Walpita
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Patents Applications
last 30 patents
Information
Patent Application
Energy Conversion System
Publication number
20230258107
Publication date
Aug 17, 2023
Nalin Walpita
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Energy Conversion System
Publication number
20220106906
Publication date
Apr 7, 2022
Nalin Walpita
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Solar heat engine system
Publication number
20070062195
Publication date
Mar 22, 2007
Nalin Walpita
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Natural gas depressurization temperature maintenance expansion syst...
Publication number
20030070432
Publication date
Apr 17, 2003
Nalin Walpita
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
Natural gas depressurization system with efficient power enhancemen...
Publication number
20030005699
Publication date
Jan 9, 2003
Nalin Walpita
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...