Ok, this is the truth, lets see if some guys can handle this. But women have inveted the following:

Alphabet blocks    Adeline D. T. Whitney    1882
Apgar tests, which evaluate a baby’s health upon birth    Virginia Apgar    1952
Chocolate-chip cookies    Ruth Wakefield    1930
Circular saw    Tabitha Babbitt    1812
Dishwasher    Josephine Cochran    1872
Disposable diaper    Marion Donovan    1950
Electric hot water heater    Ida Forbes    1917
Elevated railway    Mary Walton    1881
Engine muffler    El Dorado Jones    1917
Fire escape    Anna Connelly    1887
Globes    Ellen Fitz    1875
Ironing board    Sarah Boone    1892
Kevlar, a steel-like fiber used in radial tires, crash helmets, and bulletproof vests    Stephanie Kwolek    1966
Life raft    Maria Beaseley    1882
Liquid Paper®, a quick-drying liquid used to correct mistakes printed on paper    Bessie Nesmith    1951
Locomotive chimney    Mary Walton    1879
Medical syringe    Letitia Geer    1899
Paper-bag-making machine    Margaret Knight    1871
Rolling pin    Catherine Deiner    1891
Rotary engine    Margaret Knight    1904
Scotchgard™ fabric protector    Patsy O. Sherman     1956
Snugli® baby carrier    Ann Moore    1965
Street-cleaning machine    Florence Parpart    1900
Submarine lamp and telescope    Sarah Mather     1845
Windshield wiper    Mary Anderson     1903

Not to mention other achievements, anyone wanna add?