related to betulinic acid; http://en.wikipedia.org/wiki/Oleanolic_acid; Patent family with 2 members
http://en.wikipedia.org/wiki/Emergency_brake_assist
http://en.wikipedia.org/wiki/Organogold_chemistry
http://en.wikipedia.org/wiki/Progenitor_cell Patent family with 2 members
http://en.wikipedia.org/wiki/High-voltage_direct_current; Patent family with 3 members
Curing HIV/AIDS
Convergence meter
Patent family with 3 members
Solar collector
Memoization
Patent family with 4 members
Patent family with 6 members
Patent family with 10 members
http://en.wikipedia.org/wiki/Natural_rubber; Patent family with 8 members
Patent family with 2 members
E.g. Aluminimum oxides etc.; Patent family with 10 members
http://en.wikipedia.org/wiki/Friction_welding; Patent family with 3 members
http://en.wikipedia.org/wiki/Undercut_(manufacturing)
E.g. http://en.wikipedia.org/wiki/Gaussian_process_emulator
