Ranking Year:
# | Company Name | Region | Tech Topics | Total |
|---|
1 |  STARTUP | Patent: 7 | ||
2 | Patent: 4 | |||
3 |  STARTUP | Patent: 4 | ||
4 | Patent: 2 | |||
5 | Patent: 2 |
Top 5 Fast-growings companies in Portable oxygen concentrator
by Most Patent Filing In 5 Years in the United States in 2021
The Portable oxygen concentrator top 5 is Discovery PatSnap’ annual ranking of the top 5 Most Patent Filing In 5 Years Portable oxygen concentrator Fast-growings in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A portable oxygen concentrator (POC) is a device used to provide oxygen therapy to people that require greater oxygen concentrations than the levels of ambient air. It is similar to a home oxygen concentrator (OC), but is smaller in size and more mobile. They are small enough to carry and many are now FAA-approved for use on airplanes.
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May 17 2025