| 1 |
An Improvement on the cross flow double shot hydro-turbine for increasing efficiency |
9048 |
06.08.1982 |
| 2 |
lMethod to increase the head available from and Air Lift Pump |
9389 |
11.05.1984 |
| 3 |
lReplacement of Petrol by Vegetable Oils and / or other Mineral Oils for the operation of Internal Combustion (Spark Ignition) Engines |
9748 |
08.01.1988 |
| 4 |
lPneumatic Water Piston Pump |
9958 |
26.04.1990 |
| 5 |
lSemi dry process of bio gas production. |
10124 |
18.05.1990 |
| 6 |
lSolar still with inclined corrugated basin and reinforced concrete frame. |
10125 |
18.04.1990 |
| 7 |
lAn improved solar water heater with an elliptical integrated hot water storage tank. |
10320 |
27.12.1991 |
| 8 |
lLankan Mobile bio fertilizer generator. |
10892 |
11.03.1996 |
| 9 |
lIdle jet control unit for petrol vehicles. |
10869 |
04.04.1996 |
| 10 |
lFoot operated Coconut de husker. |
10914 |
17.05.199 |
| 11 |
lPermanent magnet generator for low speed operations lSaw dust / Paddy husk fuelled bakery oven |
10950 |
05.07.1996 |
| 12 |
lBio gas generator for market garbage disposing. |
11086 |
01.02.1997 |
| 13 |
lImproved Integrated solar water heater. |
11189 |
08.09.1997 |
| 14 |
lImproved diesel saving device for duel fuel (Diesel + Bio gas) engine. |
11562 |
05.02.1999 |
| 15 |
lAnaerobic - granular bacterial system for coconut waste water via |
11632 |
14.05.1999 |
| 16 |
lSolar desalination to obtain potable water. |
11637 |
01. 05.1999 |
| 17 |
lTender Coconut King coconut puncher |
11854 |
01.10.1999 |
| 18 |
lLow cost improved non ferrous melting furnace |
12015 |
01.07.2000 |
| 19 |
lSmall Scale Coconut Oil Extractor |
12135 |
18.10.2000 |
| 20 |
lKitchen Waste Anaerobic Digester |
12185 |
13.02.2001 |
| 21 |
lForced Draft Smokeless Firewood Stove |
12186 |
21.02.2001 |
| 22 |
lPelleting Process for the manufacture of fuel pellets out of kitchen waste/ saw dust / paddy husk |
12337 |
21.06.2001 |
| 23 |
lHydraulic Jack Operated Coconut Oil Expeller |
12512 |
13.02.2002 |
| 24 |
Improved smokeless natural draft wood gas stove |
13034 |
16.06.2010 |
| 25 |
Airtight ferrocement bin |
13164 |
27.08.2013 |
| 26 |
Biomass hot air generator |
14043 |
31.10.2006 |
| 27 |
Segmented screw type Virgin Coconut Oil Expeller |
14112 |
29.08.2008 |
| 28 |
Biomass rice cooker |
14613 |
20.11.2008 |
| 29 |
Improved smokeless natural draft wood gas stove |
13034 |
16.06.2010 |
| 30 |
Airtight ferrocement bin |
13164 |
27.08.2013 |
| 31 |
Improved heat controllable industrial Stove |
15795 |
31.12.2013 |
| 32 |
Flexible type screw feeding system for fuel wood chips, with a Twin screw type wood chips distributing system |
16444 |
04.06.2014 |
| 33 |
Small scale continuous pepper seed separating machine |
16327 |
09.05.2017 |
| 34 |
Palmyrah Juice Extractor |
16068 |
10.12.2018 |
| 35 |
Power Weeder for row seeded/ row planted paddy field |
18967 |
23.08.201 |
| 36 |
Fertilizer Applicator for Coconut Trees |
17978 |
28.12.2020 |
| 37 |
Toe Operated Prosthetic Hand |
19590 |
28.12.2020 |
| 38 |
Compact system for treatment of waste water in automobile service stations |
18904 |
30.12.2020 |
| 39 |
A lifting mechanism for easy operation of lifting gates in irrigation canals using a floater |
19847 |
05.05.2021 |
| 40 |
Mechanized Device for Slip-Form Wall Construction |
19598 |
08.07.2021 |
| 41 |
Smoked Fish Processing Unit |
19589 |
22.09.2021 |
