Constellium SE (CSTM)
NYSE: CSTM · Secondary Smelting & Refining of Nonferrous Metals · Paris, FR · filing with the SEC since 2012
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026109 patents granted to the 22 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Constellium SE’s names, not what it holds today.
Patents granted
109
109 utility, 1976 to Dec 31, 2025
Granted in 2025
17
Against 15 in 2024 and 10 in 2023
Applications published
184
11 of them in 2025
Names they are printed under
22
a subsidiary
By yearGrantedApplications published
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Materials, metallurgy40
Machine tools8
Transport6
Electrical machinery, apparatus, energy3
Handling2
Other special machines1
Surface technology, coating1
Measurement1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name22 counted
CONSTELLIUM ISSOIRE a subsidiary
FR, as the owner printed on each patent
14 published
CONSTELLIUM ISSOIRE a subsidiary
named as the applicant on its applications, in FR
49 published
CONSTELLIUM SINGEN GmbH a subsidiary
DE, as the owner printed on each patent
18 published
CONSTELLIUM NEUF-BRISACH a subsidiary
named as the applicant on its applications, in FR
34 published
CONSTELLIUM NEUF-BRISACH a subsidiary
FR, as the owner printed on each patent
7 published
C-TEC Constellium Technology Center a subsidiary
named as the applicant on its applications, in FR
18 published
CONSTELLIUM SINGEN GMBH a subsidiary
named as the applicant on its applications, in DE
11 published
C-TEC Constellium Technology Center a subsidiary
FR, as the owner printed on each patent
1 published
CONSTELLIUM VALAIS SA (LTD) a subsidiary
CH, as the owner printed on each patent. 1 more under the same name are not counted (printed in FR)
4 published
CONSTELLIUM ROLLED PRODUCTS SINGEN GMBH & CO.KG a subsidiary
named as the applicant on its applications, in DE
6 published
CONSTELLIUM MUSCLE SHOALS LLC a subsidiary
named as the applicant on its applications, in US
5 published
Constellium Rolled Products Ravenswood, LLC a subsidiary
US, as the owner printed on each patent
1 published
CONSTELLIUM AUTOMOTIVE USA, LLC a subsidiary
US, as the owner printed on each patent
3 published
CONSTELLIUM EXTRUSIONS DECIN S.R.O. a subsidiary
CZ, as the owner printed on each patent
0 published
CONSTELLIUM ROLLED PRODUCTS RAVENSWOOD, LLC a subsidiary
named as the applicant on its applications, in US
3 published
CONSTELLIUM VALAIS SA a subsidiary
named as the applicant on its applications, in CH
3 published
CONSTELLIUM EXTRUSIONS DECIN S.R.O. a subsidiary
named as the applicant on its applications, in CZ
2 published
Constellium Bowling Green LLC a subsidiary
named as the applicant on its applications, in US
2 published
CONSTELLIUM EXTRUSIONS LEVICE SRO a subsidiary
SK, as the owner printed on each patent
1 published
CONSTELLIUM ROLLED PRODUCTS SINGEN GMBH & CO.KG a subsidiary
DE, as the owner printed on each patent
0 published
CONSTELLIUM SWITZERLAND AG a subsidiary
CH, as the owner printed on each patent
1 published
CONSTELLIUM UK LIMITED a subsidiary
GB, as the owner printed on each patent
1 published
Newest grantseach row opens the USPTO’s own copy
Newest applications publishedan application is a clue, never a plan
What it applied for, 2024 to 2025: Materials, metallurgy 21 · Transport 6 · Electrical machinery, apparatus, energy 4 · Machine tools 3 · Thermal processes and apparatus 2 · Environmental technology 1.
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.