F04C 2210/22
Gaseous, i.e. compressible
Official title: gaseous, i.e. compressible
F04C2210/22 (Gaseous, i.e. compressible) appears on 98 US grants and 129 published applications in this corpus.
Search patents in F04C- Granted patents
- 98
- Published applications
- 129
- Assignees
- 76
- Inventors
- 279
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 9 |
| 2017 | 1 | 9 |
| 2018 | 5 | 7 |
| 2019 | 6 | 20 |
| 2020 | 8 | 11 |
| 2021 | 16 | 18 |
| 2022 | 14 | 10 |
| 2023 | 14 | 10 |
| 2024 | 13 | 9 |
| 2025 | 8 | 7 |
| 2026 | 2 | 5 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen compressor28 Apr 2026US 12,613,013 B2Siemens Energy Global GmbH & Co. KG
- Compressed air station31 Mar 2026US 12,589,352 B2Kaeser Kompressoren SE
- Devices for compressing a gaseous fluid and method of operating a device for compressing a gaseous fluid4 Nov 2025US 12,460,642 B2Hanon Systems
- Rotary piston compressor7 Oct 2025US 12,435,720 B2
- Secondary airflow paths for air compressors9 Sep 2025US 12,410,799 B2Doosan Bobcat North America, Inc.
- Gas Compressor20 Aug 2026US 2026/0243258 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Air Compressor30 Jul 2026US 2026/0218705 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Hydrogen production apparatus for a wind turbine, wind turbine arrangement and method for operating a hydrogen production apparatus for a wind turbine2 Jul 2026US 2026/0185252 A1Siemens Gamesa Renewable Energy A/S
- Screw Compressor30 Apr 2026US 2026/0117771 A1Hitachi, Ltd.
- Scroll pump15 Jan 2026US 2026/0016007 A1Edwards Limited
Most cited
By later US patents
- Variable speed compressor protection system and method34US 8,459,053 B2Emerson Climate Technologies, Inc. · 2013
- Rotary cabonator29US 9,440,836 B2The Coca-Cola Company · 2016
- High efficiency air delivery system and method17US 9,897,336 B22018
- On-vehicle air conditioner14US 6,889,512 B2Sanyo Electric Co., Ltd. · 2005
- Variable speed compressor protection system and method11US 9,494,158 B2Emerson Climate Technologies, Inc. · 2016