Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
64 patents granted to the 4 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 Inogen, Inc’s names, not what it holds today.
Patents granted
64
51 utility, 13 design, 1976 to Dec 31, 2025
Granted in 2025
7
Against 4 in 2024 and 7 in 2023
Applications published
34
4 of them in 2025
Names they are printed under
4
its own name, a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
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
Medical technology19
Environmental technology5
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
Inogen, Inc. its own name
US, as the owner printed on each patent
61 granted
4 publishedInogen, Inc. its own name
named as the applicant on its applications, in US
0 granted
25 publishedPhysio-Assist a subsidiary
FR, as the owner printed on each patent
3 granted
3 publishedPHYSIO-ASSIST a subsidiary
named as the applicant on its applications, in FR
0 granted
2 published
Names not counted (1)
Inogen Inc
Most of its patents print CH; this name counts in US. 0 granted and 1 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Dec 23, 2025 | 12,502,503 | Gas concentrator with removable cartridge adsorbent beds | Medical technology | Inogen, Inc. |
| Oct 21, 2025 | 12,447,303 | Compact portable oxygen concentrator | Medical technology | Inogen, Inc. |
| Oct 7, 2025 | 12,434,032 | Oxygen gas concentrator with outlet accumulator | Medical technology | Inogen, Inc. |
| May 13, 2025 | 12,296,100 | Conforming nasal pillow | Medical technology | Inogen, Inc. |
| Feb 25, 2025 | 12,233,211 | Systems and methods for mitigating noise and vibration in a portable oxygen concentrator | Medical technology | Inogen, Inc. |
| Jan 28, 2025 | 12,208,212 | Gas concentrator with removable cartridge adsorbent beds | Medical technology | Inogen, Inc. |
| Jan 14, 2025 | 12,198,794 | Method for stimulating tracheobronchial air | Medical technology | Physio-Assist |
| Dec 24, 2024 | 12,173,827 | Compact portable oxygen concentrator | Environmental technology | Inogen, Inc. |
| Apr 23, 2024 | 11,964,105 | Oxygen gas concentrator with outlet accumulator | Medical technology | Inogen, Inc. |
| Mar 5, 2024 | 11,918,746 | Concentrator with electronic handheld remote delivery device | Medical technology | Inogen, Inc. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Dec 25, 2025 | 2025/0387583 | GAS CONCENTRATOR WITH REMOVABLE CARTRIDGE ADSORBENT BEDS | Medical technology | Inogen, Inc. |
| Jul 10, 2025 | 2025/0226080 | DEVICE FOR STIMULATING TRACHEOBRONCHIAL AIR | Medical technology | PHYSIO-ASSIST |
| Jun 26, 2025 | 2025/0207705 | COMPACT PORTABLE OXYGEN CONCENTRATOR | Environmental technology | Inogen, Inc. |
| May 22, 2025 | 2025/0161622 | SYSTEMS AND METHODS FOR MITIGATING NOISE AND VIBRATION IN A PORTABLE OXYGEN CONCENTRATOR | Medical technology | Inogen, Inc. |
| Sep 26, 2024 | 2024/0316299 | HOSPITAL DEVICE FOR STIMULATING TRACHEOBRONCHIAL AIR | Medical technology | Physio-Assist |
| Jul 4, 2024 | 2024/0216636 | OXYGEN GAS CONCENTRATOR WITH OUTLET ACCUMULATOR | Medical technology | Inogen, Inc. · patent 12,434,032 granted from it |
| Jun 20, 2024 | 2024/0198029 | NASAL INTERFACE APPARATUS AND SYSTEMS FOR USE WITH A RESPIRATORY ASSIST DEVICE | Medical technology | Inogen, Inc. |
| May 9, 2024 | 2024/0149004 | GAS CONCENTRATOR WITH REMOVABLE CARTRIDGE ADSORBENT BEDS | Medical technology | Inogen, Inc. · patent 12,502,503 granted from it |
| Mar 7, 2024 | 2024/0079115 | DEVICE FOR STIMULATING TRACHEOBRONCHIAL AIR | Medical technology | PHYSIO-ASSIST · patent 12,198,794 granted from it |
| Jul 20, 2023 | 2023/0226302 | CONCENTRATOR WITH ELECTRONIC HANDHELD REMOTE DELIVERY DEVICE | Medical technology | Inogen, Inc. · patent 11,918,746 granted from it |
What it applied for, 2024 to 2025: Medical technology 8 · 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.