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The Multi-Use Drinking Flask (Coffee, Tea or Flavoured Water)

[Category : - DESIGN PATENTS]
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The Kohi Flask is a unique product, combing coffee brewing components together for a one-of-a-kind thermos flask. The concept behind the design was to create a drinking flask that allows the use to prepare their preferred beverage at home, and then enjoy on-the-go. The Kohi Flask keeps the user's beverage hot or cold for 6-8 hours. The Flask is sweat-proof and all materials are BPA-free.

The Kohi Flask has received the International Search Report (ISR) and Written Opinion (WO) verifying an international patent for the product. The application will be published on approximately 25 July 2019 (18 months from the priority date of the application).
If you wish to see our official reporting letter as well as the ISR and WO please contact for further information.

International Application N0.


The Kohi Flask has an in-built milk chamber with a frothing plunger, that can be used to gain the desired frothy texture of the milk. The two thermos flask chambers allows the user to separate the different components i.e. milk and coffee, until combining at the desired drinking time.

The coffee brewer is a separate function, that brews the coffee in an individual chamber. This can brew until the desired coffee strength, or the user is ready to drink. The screw top lid has a steel mesh filter integrated into the design to filter the coffee when pouring, allowing a grind-less pour. The lid provides a leak proof seal which allows for a smooth 360-degree pour into the Kohi Flask cup.

With the intent of reducing the waste caused by single-use cafe cups, the Kohi Flask doubles as a reusable cafe cup. The reusable chamber allows the to prepare your coffee at home, or buy one on the go, reducing the global waste problem.

The Kohi Flask caters for multiple options, and can be used for, but is not limited to:
Flat white
Long black
Chai lattes
Hot chocolate
Cold brew
Iced coffee
Flavoured water
Matcha Tea

Financial information

Market and Product Potential:

According to Business Insider, after crude oil, coffee is the second most sought-after commodity in the entire world. The coffee industry is worth over $100 billion across the globe.

TMR estimates that the reusable bottle market, which had a valuation of US$7.04 bn in 2015, will expand at a CAGR of 4.2% between 2016 and 2024 to US$10.19 Billion .

Combining these two industries makes for enormous market potential.

Estimated price per unit is $3.50- $6.50 (cost estimates AUD) to produce (dependent on manufacturing quantities.

Estimated retail price per unit is $50 - $100.00.

Patent Owner of Kohi & Co patent is seeking an outright sale or license with royalties.

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