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Infographic | Saint Patrick’s Day Patents

Patentes | Infografías
17 marzo, 2025
st patricks day patents
irish man
St. Patrick’s Day is known for its lively parades, green beer, and shamrock-covered everything. But did you know that some of these traditions are backed by real, patented inventions? Let’s dive into five unique patents that make this Irish celebration even more festive—and surprisingly innovative.

1. GREEN COLORED BEER

EP2166079A1

Inventor:
Béla Szabó

Assignee:
Individual

green beer

You might think green beer is just regular beer with a splash of food coloring, but one patent takes this concept further. This invention outlines a precise method to create green beer using blue food coloring to interact with the natural yellow hues of lager. The result? A consistent, stable green color that doesn’t settle or fade—perfect for keeping that festive pint looking fresh all night long.

2. SHAMROCK-SHAPED BOTTLE OPENER

USD505846S1

Inventor:
Nicholas Toma

Assignee:
Individual

shamrock bottle opened
If you’re popping open a cold one on March 17th, why not do it in style? This patented bottle opener isn’t just functional—it’s shaped like a shamrock, turning an everyday tool into a conversation starter. Whether you’re at a pub or celebrating at home, this small but clever invention adds a festive touch to every bottle you crack open.

3. THE GUINNESS WIDGET

US8007880B2

Inventor:
Bernd Ullmann

Assignee:
Ardagh Metal
Packaging Germany
GmbH

patente saint patricks
One of the most famous inventions to come out of Ireland, the Guinness widget revolutionized the way we drink stout from a can. Patented in 1972, this small plastic ball releases nitrogen gas when the can is opened, creating that iconic creamy head on a Guinness pour. Without it, your canned stout would be flat and lifeless—so next time you enjoy a Guinness, raise a toast to the power of innovation!

4. GREEN BEER KEG TAP

CA3173142A1

Inventor:
Volodimir Bondarenko, Joe TRIVENTI, Mookwan KANG, Daren MILES, Paul Waterhouse, Mark Piniarski, Peter Zosimadis.

Assignee:
Smart Wave Technologies Inc USA

CA3173142A1
For bartenders serving up festive drinks, this patent makes pouring green beer effortless. Instead of manually adding drops of food coloring to each pint, this keg tap integrates a small container of green dye that automatically mixes into the beer as it’s poured. It ensures a consistent color and saves time during the busiest night of the year for Irish pubs.

5. SHAMROCKS & PARADES

US3194459A

Inventor:
William W Knox

Assignee:
Mag Nif Inc

Shamrock decorations, designed to enhance party venues and city streets with festive flair.
shamrocks and parades
While you can’t patent a parade, certain elements that bring St. Patrick’s Day to life have been protected under intellectual property laws. For example, the foundation frame for a parade float was patented in 1952, helping to standardize the construction of elaborate displays seen in celebrations worldwide. Additionally, other shamrock-inspired patents add a unique twist to these parades:

SHAMROCK BINGO DAUBERS

WO2011063186A2

Inventor:
David E. Charlton

Shamrock bingo daubers, proving that even game night can get a lucky Irish touch.
shamrocks and parades
shamrocks and parades
Obviously Saint Patrick’s Day has its own patents. Green beer, festive parades, shamrock-covered everything—St. Patrick’s Day is a celebration of Irish culture, but it’s also full of surprising innovation!

We believe that patents aren’t just for cutting-edge technology—they shape traditions, enhance experiences, and keep creativity flowing (sometimes, literally). Let’s celebrate St. Patrick’s Day with these 5 fabulous patents. Sláinte!

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