The safety pin was patented on April 10, 1849

The safety pin is an item most of us have used. Walter Hunt received the U.S. Patent on his invention on April 10, 1849.
list25 on MSN

25 things named after inventors: discover their hidden stori

Discover 25 things we didn't realize were named after the people who invented them. From Braille to the Ferris Wheel, uncover ...

Intend Rover Shock, Adding a Coil Where It Seemed Missing, To Create a Coil/Air Hybrid

Intend essentially added a spring to the Hover air shock, creating the Rover, a unique hybrid with the adjustability of air, ...

North Carolina Inventor Files 42 Patent Claims on World’s First Artificial Synthetic Intelligence

HYVE ALPHA introduces patent-pending sovereign AI that runs locally, eliminates context windows, and makes cloud-dependent AI architectures obsolete.

Patch AM: How one late-night 911 call may have prevented a Redmond tragedy

Make time for Downtown Issaquah Spring Wine & Artwalk on the Redmond Patch calendar ...
IEEE

Design and Experiments of Flexible Ultrasonic Motor Using a Coil Spring Slider

Abstract: This article proposes a flexible ultrasonic motor that consists of a single metal cube stator with a hole and an elastic elongated coil spring inserted into the hole. When voltages are ...
IEEE

Analysis of the compression characteristics of a PEM stack, development of an equivalent spring model and recommendations for compression process improvements

Abstract: Optimising the compression process during assembly improves the performance of fuel cells. Sufficient and uniform compression across the x, y and z axes ensures uniform current distribution ...