When you're deciding how to build a home, there's no easy way to tell whether "patented system" is a real guarantee or just clever marketing. Two facts help cut through the noise: a patent number, US 10,266,451 B2, and a date, 2019, when H0ME secured the Italian licence for HES technology. Neither one settles everything. But together they tell you exactly who you're dealing with.

What a patent actually tells you (and what it doesn't)

The HES technology that H0ME brings to Italy rests on a patent. It began life as an international application, published as WO 2015/184559 A1 under the PCT system, claiming a Swiss priority date of 4 June 2014. From that application came the granted US title, US 10,266,451 B2, which you can look up yourself on USPTO Patent Center.

One technical point worth flagging: the scope of protection is set by the claims — the closing statements of the document, read alongside everything that precedes them. A patent doesn't certify performance. It gives the holder the right to stop others using what those claims describe, but only in the territory where the title was granted — in this case, the United States. Source: USPTO.

What it actually protects: the method and the material

The claims of the US patent — full text available on Google Patents — cover two things: a process (roughly, how the setting of hydrated lime mixed with a plant-based aggregate is accelerated) and the resulting material. The same document confirms the paper trail: international application PCT/CH2015/000085, Swiss priority date 4 June 2014, US grant. This is where the legal picture meets the physics. The claims mark out the process and material over which the holder can enforce its rights in the United States — nowhere else.

The HES system that H0ME brings to Italy has, according to the HES technical data sheet, a thermal conductivity (λ) of 0.048 W/(m·K) and a thermal lag of 18 hours at 320 mm. We covered this in our previous piece, 18 Hours to Cross a Wall. None of those figures come from the patent filing itself — they're measured through dedicated lab testing. The claims tell you who holds the rights to a process and a material in a given territory. The technical data tells you how that material actually performs once it's in a wall.

The Italian licence: since 2019

This is where H0ME comes in. Since 2019, according to the HES/H0ME technical dossier — the sole source for this figure — H0ME has held the Italian licence for HES technology. This is a separate agreement from the US patent. A patent is valid only in the territory where it's granted — the US, in this instance. The Italian licence is a distinct contract governing use of the technology here. Without the contract text itself, we can't spell out every clause it authorises. What we can confirm is the verified fact: the licence exists, dating from 2019, within whatever limits the agreement sets.

What this means for your home

For anyone weighing up a build, this boils down to one thing above all: the chain of rights behind the technology can be checked. A piece of intellectual property you can look up on public databases, a licensing agreement with a specific date, and an identifiable licensee here in Italy.

None of this guarantees the outcome on site. Patent and licence tell the legal story of the technology. On their own, they don't tell you exactly which process will be used on H0ME's first build. That part we'll cover step by step, with technical sources along the way.

DATA_BOX:

International application published as WO 2015/184559 A1 (Swiss priority 4 June 2014, PCT/CH2015/000085) → granted in the United States as US 10,266,451 B2, verifiable via USPTO Patent Center and Google Patents. Italian licence: H0ME, since 2019 — sole source: HES/H0ME technical dossier.

FAQ

Does H0ME own the patent?
No. US 10,266,451 B2 is a US title; H0ME is the licensee for Italy since 2019, according to the HES/H0ME technical dossier.

What's the difference between the PCT application and the granted patent?
WO 2015/184559 A1 is the international application filed under the PCT system, claiming a 2014 Swiss priority date. The PCT doesn't grant an "international patent" — it manages the application, while granting or refusing it is up to individual national or regional offices, per WIPO. US 10,266,451 B2 is the title actually granted in the United States, verifiable on USPTO Patent Center.

What does this actually change for someone building a home?
You know the technology on offer has a verifiable legal history and an identifiable licensee in Italy. The wall's actual performance still needs to be assessed through separate technical testing.

Want to know what's really behind the technology arriving on H0ME's first build site? Head to /tecnologia/. Previous instalment: 18 Hours to Cross a Wall. Next up: the road to the first build continues.

Article produced with the support of artificial intelligence and reviewed by the H.0.ME. editorial team.