portable solar panel
 solar pump 2;  using refrigerant as working fluid
Humphrey pump reincarnation
Tricycle mounted foldable Solar Water Pumping System
SOLAR STEAM PUMP
Sun driven multi-purpose pump
WW-Winding Mechanism Water Pump
BIHAR TUBE
SalvaVicent
65
56
6.57
SELF-PROPELLED PUMP FOR A SHARED USE
Solar PV Powered Portable DC Water Pumping System
Use of Bio-gas/Bio-diesel &  Low Cost Fuel Cell to drive pumps in Bihar Farms
NSP-Solar Pump - Solar Pump Station especially designed for remote areas
The Swiss Solar Pump
SterlingPump
sawadee
55
62
6.54
Concentrated solar P-V MODULE with inexpensive Cooling
Through Concentrate Solar PV
Solar Water Pump
Biological Vertical Farming
Wind Solar and human powered for pumping systems
Exhaust-enabled Clean Water Pump
Pedal Powered Water Lifting Machine (PPWLM)
climbing water
Cow Dung Boiler : An Emergency Source of Steam
Anemos
gabrielefilippi75
60
72
6.45