Helix Energy Solutions Group, Inc. (HLX)
NYSE: HLX · Oil & Gas Field Services, NEC · Houston, TX · filing with the SEC since 1996
Grade5.2
◀ Past 5.3● Present 5.5▶ Future 4.8
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202620 patents granted to the 8 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 Helix Energy Solutions Group, Inc.’s names, not what it holds today.
Patents granted
20
20 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against 1 in 2024 and none in 2023
Applications published
15
since 2001, to Dec 31, 2025
Names they are printed under
8
a former name, 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
Civil engineering2
Mechanical elements1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name8 counted
Helix Energy Solutions Group, Inc. a former name
US, as the owner printed on each patent
3 published
Subsea Technologies Group Limited a subsidiary
GB, as the owner printed on each patent
2 published
HELIX ENERGY SOLUTIONS GROUP, INC. a former name
named as the applicant on its applications, in US
7 published
AES-EOT EQUIPMENT HOLDINGS, LLC a subsidiary
US, as the owner printed on each patent
0 published
AES-EOT EQUIPMENT HOLDINGS, LLC a subsidiary
named as the applicant on its applications, in US
2 published
Helix Energy Solutions (U.K.) Limited a subsidiary
GB, as the owner printed on each patent
1 published
Cal Dive International a former name
US, as the owner printed on each patent
0 published
HELIX WELL OPS (U.K.) LIMITED a subsidiary
GB, as the owner printed on each patent
0 published
Names not counted (1)
Triton Diving Services, LLC
No country is printed for it. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Mar 30, 2023 | 2023/0095591 | METHOD AND APPARATUS OF HOT TAPPING MULTIPLE COAXIAL OR NESTED STRINGS OF UNDERWATER PIPING AND/OR TUBING FOR OVERTURNED WELLS OR PLATFORMS | Civil engineering | AES-EOT EQUIPMENT HOLDINGS, LLC |
| May 20, 2021 | 2021/0148180 | METHOD AND APPARATUS OF HOT TAPPING MULTIPLE COAXIAL OR NESTED STRINGS OF UNDERWATER PIPING AND/OR TUBING FOR OVERTURNED WELLS OR PLATFORMS | Civil engineering | AES-EOT EQUIPMENT HOLDINGS, LLC · patent 11,473,384 granted from it |
| Apr 16, 2020 | 2020/0115968 | WELL INTERVENTION MONOHULL VESSEL | Civil engineering | HELIX ENERGY SOLUTIONS GROUP, INC. |
| Jun 23, 2016 | 2016/0177631 | WELL INTERVENTION MONOHULL VESSEL | Transport | HELIX ENERGY SOLUTIONS GROUP, INC. |
| Jun 23, 2016 | 2016/0175847 | VEHICLE SYSTEM AND METHOD | Chemical engineering | HELIX ENERGY SOLUTIONS GROUP, INC. · patent 10,293,342 granted from it |
| Jan 28, 2016 | 2016/0024867 | Method of Subsea Containment and System | Civil engineering | HELIX ENERGY SOLUTIONS GROUP, INC. · patent 9,745,816 granted from it |
| Jul 2, 2015 | 2015/0183495 | WELL INTERVENTION SEMISUBMERSIBLE VESSEL | Transport | HELIX ENERGY SOLUTIONS GROUP, INC. · patent 9,731,796 granted from it |
| Apr 2, 2015 | 2015/0090464 | LIFT FRAME SYSTEM AND METHOD OF USE | Civil engineering | HELIX ENERGY SOLUTIONS GROUP, INC. · patent 10,633,937 granted from it |
| Dec 25, 2014 | 2014/0374114 | Subsea Intervention System | Civil engineering | HELIX ENERGY SOLUTIONS GROUP, INC. · patent 9,273,536 granted from it |
| May 29, 2014 | 2014/0144648 | CONNECTOR | Civil engineering | Subsea Technologies Group Limited · patent 9,631,438 granted from it |
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.