Hand washing
Patent family with 4 members
Treating water
Applicator
Packaging
Peptide antagonist
Patent family with 3 members
Patent family with 7 members
Patent family with 19 members
Mesoepoxide
Combustor, incinerator
Ventilator
ventilator; Patent family with 2 members
Combustor, incineration
combustor, incinerator
Corona discharge
http://en.wikipedia.org/wiki/Corona_discharge
Static electricity converter; Patent family of 3 members
