Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
177 patents granted to the 6 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 Plug Power, Inc.’s names, not what it holds today.
Patents granted
177
177 utility, 1976 to Dec 31, 2025
Granted in 2025
8
Against 5 in 2024 and 3 in 2023
Applications published
53
5 of them in 2025
Names they are printed under
6
its own name, a subsidiary
By yearGrantedApplications published
'09'10'11'12'13'14'17'18'19'20'21'22'23'24'25
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
Electrical machinery, apparatus, energy10
Mechanical elements6
Surface technology, coating3
Chemical engineering1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name6 counted
Plug Power Inc. its own name
US, as the owner printed on each patent. 36 more under the same name are not counted (printed in AU)
43 publishedPlug Power L.L.C. its own name
US, as the owner printed on each patent
0 publishedApplied Cryo Technologies, Inc. a subsidiary
US, as the owner printed on each patent
4 publishedPlug Power Inc., a Delaware corporation its own name
US, as the owner printed on each patent
3 publishedPLUG POWER INC. its own name
named as the applicant on its applications, in US
2 publishedPlug Power LLC, a New York corporation its own name
US, as the owner printed on each patent
1 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 30, 2025 | 12,508,542 | Method and system for electrochemically compressing gaseous hydrogen | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Nov 25, 2025 | 12,480,714 | Heat exchanging channel forming an internal cavity that stores cryogenic material | Mechanical elements | Plug Power Inc. |
| Sep 23, 2025 | 12,424,640 | Fuel cell information monitor and data transfer | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Aug 5, 2025 | 12,378,683 | Sputtering-based catalyst deposition on particles for membrane electrode assembly (MEA) catalyst layer | Surface technology, coating | Plug Power Inc. |
| Jul 1, 2025 | 12,344,942 | Proton exchange membrane water electrolyzer membrane electrode assembly | Surface technology, coating | Plug Power Inc. |
| Apr 15, 2025 | 12,278,410 | Integrated circuit for diagnostics | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Feb 4, 2025 | 12,215,829 | Boil-off shielded coupling for hydrogen tank filling | Mechanical elements | Plug Power Inc. |
| Feb 4, 2025 | 12,215,826 | Support structure for shortened cryogenic transport trailer | Mechanical elements | Plug Power Inc. |
| Sep 17, 2024 | 12,095,122 | Fuel cell stack | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Sep 17, 2024 | 12,092,266 | Support structure for cryogenic transport trailer | Mechanical elements | Plug Power Inc. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Nov 20, 2025 | 2025/0357501 | FUEL CELL STACK AND MEMBRANE ELECTRODE ASSEMBLY DISASSEMBLY FOR COMPONENT SEPARATION AND RECYCLING | Materials, metallurgy | Plug Power Inc. |
| Nov 20, 2025 | 2025/0354235 | ELECTROLYZER AND MEMBRANE ELECTRODE ASSEMBLY DISASSEMBLY FOR COMPONENT SEPARATION AND RECYCLING | Materials, metallurgy | Plug Power Inc. |
| Sep 11, 2025 | 2025/0283236 | ACTIVE TENSIONING FOR ELECTROLYZER STACKS | Surface technology, coating | Plug Power Inc. |
| Jan 2, 2025 | 2025/0006968 | STACK SYSTEMS | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Jan 2, 2025 | 2025/0006954 | THREE-DIMENSIONAL PLATES WITH CURVING FLUID CHANNELS FOR STACK SYSTEMS | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Dec 19, 2024 | 2024/0421333 | INSULATING DATUM INSERT | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Oct 24, 2024 | 2024/0356047 | ELECTRICAL CONNECTOR SYSTEMS AND METHODS FOR CONNECTING TO A FUEL CELL STACK | Electrical machinery, apparatus, energy | Plug Power Inc. |
| Oct 17, 2024 | 2024/0344212 | RECOMBINATION LAYERS FOR CROSSOVER MITIGATION FOR EXCHANGE MEMBRANES AND WATER ELECTROLYZER MEMBRANE ELECTRODE ASSEMBLIES | Surface technology, coating | Plug Power Inc. |
| Aug 22, 2024 | 2024/0279819 | ELECTROLYZER STACK END PLATE ASSEMBLY WITH FLUID-ISOLATING INSERT(S) | Surface technology, coating | Plug Power Inc. |
| Jul 18, 2024 | 2024/0240334 | CATALYST WITH FUNCTIONALIZED SUPPORT | Surface technology, coating | Plug Power Inc. |
What it applied for, 2024 to 2025: Electrical machinery, apparatus, energy 10 · Surface technology, coating 5 · Mechanical elements 2 · Materials, metallurgy 2.
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.