http://en.wikipedia.org/wiki/Photobioreactor
For exp. converting biomass to a clean liquid fuel for domestic use
http://en.wikipedia.org/wiki/Unmanned_aerial_vehicle
Culinary related
Fluid system
Patent family of 8 members
Patent family of 4 members
Patent family of 5 members
Patent family with 15 members
Patent family of 2 members
Patent family of 7 members
Wastewater treatment; Patent family with 8 members
http://en.wikipedia.org/wiki/Cloud_seeding; patent family with 2 members
http://en.wikipedia.org/wiki/Effluent; Patent family with 3 members
Wastewater treatment; Patent family with 4 members
Patent family with 2 members
Waste water treatment; patent family with 3 members
water treatment; Patent family with 3 members
http://en.wikipedia.org/wiki/Ultrafiltration; patent family with 4 members
