1849 ⟶ Walter Hunt Patents the Safety Pin
Walter Hunt invents the Safety pin.
Year
1822
1848
1849
1891
1902
1983
⚙️ Thomas Blanchard Patents Pattern-Tracing Lathe
Thomas Blanchard invents the pattern-tracing lathe (actually more like a shaper). The lathe can copy symmetrical shapes and is used for making gun stocks, and later, ax handles.⟶
ManufacturingIndustrial RevolutionAutomation
United States🔒 Linus Yale Sr. Designs the Pin Tumbler Lock
Linus Yale Sr. invents the first modern pin tumbler lock.⟶
SecurityIndustrial RevolutionMechanical Engineering
United States📌 Walter Hunt Patents the Safety Pin
🧵 Whitcomb Judson Patents the Zipper
Whitcomb Judson invents the zipper.⟶
ManufacturingTextilesFashionIndustrial RevolutionPatent
United States❄️ Willis Carrier Patents Modern Air Conditioning
July 17: Willis Carrier invents the first modern electrical air conditioning unit.⟶
Industrial Revolution
United States