http://en.wikipedia.org/wiki/Pathogen
http://en.wikipedia.org/wiki/Nevirapine; Patent family of 3 members
http://en.wikipedia.org/wiki/Category:Anti-infective_agents; Patent family of 2 members
Patent family with 7 members
http://en.wikipedia.org/wiki/Solution
Drive device
Patent family of 2 members
Alcohol product
Polypeptide
Patent family with 11 members
Patent family with 35 members
Patent family with 5 members
Printing
Patent family with 9 members
Treating water
Patent family with 2 members
E.g. http://en.wikipedia.org/wiki/Reverse-transcriptase_inhibitor Patent family with 4 members
http://en.wikipedia.org/wiki/Roxithromycin; Patent family with 4 members