Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
21 patents granted to the 5 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 Xcel Energy Inc.’s names, not what it holds today.
Patents granted
21
21 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against none in 2024 and 2 in 2023
Applications published
4
1 of them in 2025
Names they are printed under
5
a former name, a subsidiary, its own name
By yearGrantedApplications published
'78'86'88'89'90'91'92'94'02'22'23'24'25
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
Mechanical elements1
IT methods for management1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name5 counted
Northern States Power Company a former name
US, as the owner printed on each patent
0 publishedPublic Service Company of Colorado INC a subsidiary
US, as the owner printed on each patent
0 publishedXcel Energy Inc. its own name
US, as the owner printed on each patent
1 publishedXcel Energy Inc. its own name
named as the applicant on its applications, in US
3 publishedSouthwestern Public Service Company a subsidiary
US, as the owner printed on each patent
0 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 26, 2023 | 11,853,915 | Automated screening, remediation, and disposition of issues in energy facilities | IT methods for management | Xcel Energy Inc. |
| Sep 26, 2023 | 11,767,943 | Vent box method and appartus | Mechanical elements | Xcel Energy Inc. |
| Aug 20, 2002 | 6,435,042 | Device and process for installation of encoder receiver transmitter on a gas meter | Measurement | Public Service Company of Colorado INC |
| May 17, 1994 | 5,311,686 | Illuminated natural gas flow display panel assembly | Audio-visual technology | Public Service Company of Colorado INC |
| Feb 15, 1994 | 5,285,806 | Method and apparatus for temporarily sealing off pipelines | Mechanical elements | Public Service Company of Colorado INC |
| Nov 24, 1992 | 5,165,903 | Integrated process and apparatus for control of pollutants in coal-fired boilers | Environmental technology | Public Service Company of Colorado INC |
| Jan 7, 1992 | 5,078,752 | Coal gas productions coal-based combined cycle power production | Chemical engineering | Northern States Power Company |
| Nov 19, 1991 | 5,066,325 | Cogeneration process for production of energy and iron materials, including steel | Materials, metallurgy | Northern States Power Company |
| Nov 12, 1991 | 5,064,174 | Apparatus for production of energy and iron materials, including steel | Materials, metallurgy | Northern States Power Company |
| Oct 8, 1991 | 5,055,131 | Cogeneration process for production of energy and iron materials | Materials, metallurgy | Northern States Power Company |
Newest applications publishedan application is a clue, never a plan
What it applied for, 2024 to 2025: Electrical machinery, apparatus, energy 1 · IT methods for management 1 · Computer 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.