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PATENTS
 
Product Number Date
An Improvement on the cross flow double shot hydro-turbine for increasing efficiency 9048 06.08.1982
Method to increase the head available from and Air Lift Pump 9389 11.05.1984
Replacement of Petrol by Vegetable Oils and / or other Mineral Oils for the operation of Internal Combustion (Spark Ignition) Engines 9748 08.01.1988
Pneumatic Water Piston Pump 9958 26.04.1990
Semi dry process of bio gas production. 10124 18.05.1990
Solar still with inclined corrugated basin and reinforced concrete frame. 10125 18.05.1990
An improved solar water heater with an elliptical integrated hot water storage tank.  10320 27.12.1991
Lankan Mobile bio fertilizer generator. 10892 11.03.1996
Idle jet control unit for petrol vehicles. 10869 04.04.1996
Permanent magnet generator for low speed operations. 
10913 28.08.1996
Foot operated Coconut de husker. 10914 17.05.1996
Saw dust / Paddy husk fuelled bakery oven 10950  05.07.1996
Bio gas generator for market garbage disposing. 11086 27.02.1997 
Improved Integrated solar water heater.
11189 27.02.1997
Improved diesel saving device for duel fuel (Diesel + Bio gas) engine.       11562 05.02.1999 
Anaerobic - granular bacterial system for coconut waste water via                11632 14.05.1999 
Solar desalination to obtain potable water. 11637 14. 05.1999
Tender coconut king coconut puncher 11854 22.10.1999
Low cost improved non ferrous melting furnace 12015  17. 07.2000 
Small scale coconut oil extractor 12135 18.10.2000 
Kitchen waste anaerobic digester 12185 13.02.2001 
Forced draft smokeless firewood stove 12186 21.02.2001 
Pelleting process for the manufacture of fuel pellets out of kitchen waste/ saw dust / paddy husk 12337 21.06.2001 
Hydraulic jack operated coconut oil expeller 12512 13.02.2002
Improved smokeless natural draft wood gas stove 
13034 16.06.2010
Airtight ferrocement bin
13164 27.08.2013
Biomass hot air generator 14043 31.10.2006
Segmented screw type Virgin Coconut Oil Expeller 14112 29.08.2008
Biomass rice cooker       14613 20.11.2008
Improved smokeless natural draft wood gas stove 13034 16.06.2010
Airtight ferrocement bin 13164 27.08.2013
Improved heat controllable industrial Stove 15795 31.12.2013
Flexible type screw feeding system for fuel wood chips, with a  Twin screw type wood chips distributing system 16444 04.06.2014
Small scale continuous pepper seed separating machine 16327 09.05.2017 
 
AWARDS
 
International Awards
International Inventions - Geneva
Semi- dry Process Biogas Generator-1996
 
Local Awards
Presidential Awards
 
Idle Jet Control Unit for Petrol Vehicles   - 1996, 1st Place
Forced Draft Smokeless Firewood Stove  - 2000, 1st Place
Small scale Coconut Oil Extractor - 2002, 2nd Place
   
National S&T Award
 
Value Addition to mineral Resources  - 2005
Development of cost effective panel slab  - 2005
cost effective construction technology  - 2005
Presidential Awards - 2007 given for building construction NERDC Licensees
 
Mr A.E Ariyadasa(Salhul Concrete constructor)  -1st Place
Mr W.P.K Jayawardana(Radiant Concrete constructor)   -2nd Place
 
WORLDWIDE PARTNERSHIPS
 
APCTT                                  -   Tech Transfer
WAITRO                               -    R&D Training
SWERA/UNEP                    -    Solar & Wind resource assessments
UNDP                                   -    Capacity Building
CMTI-India                           -    Advance Manufacturing Technology
STQC with India                 -    Lab accreditation
 
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