F04C 2210/1072
Oxygen
Official title: Oxygen (O2)
F04C2210/1072 (Oxygen) appears on 28 US grants and 28 published applications in this corpus.
Search patents in F04C- Granted patents
- 28
- Published applications
- 28
- Assignees
- 18
- Inventors
- 82
- Latest grant
- 16 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 2 | 7 |
| 2006 | 2 | 1 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 5 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 4 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for recirculating an at least partially gaseous composition containing hydrogen and fuel cell system16 Apr 2024US 11,959,478 B2Busch Produktions GmbH
- Method and apparatus for orientation independent compression29 Jun 2021US 11,047,381 B2Rini Technologies, Inc.
- Portable oxygen delivery device22 May 2018US 9,974,918 B2Caire Inc.
- Portable oxygen delivery device22 May 2018US 9,974,919 B2Caire Inc.
- Portable oxygen delivery device22 May 2018US 9,974,920 B2Caire Inc.
- Device for recirculating an at least partially gaseous composition containing hydrogen and fuel cell system19 Jan 2023US 2023/0013325 A1Busch Produktions GmbH
- Portable Oxygen Delivery Device5 Jan 2012US 2012/0000462 A1Chart SeQual Technologies Inc.
- Closed loop scroll expander27 Oct 2011US 2011/0259009 A1SECCO2 Engines, Inc.
- Portable Oxygen Delivery Device13 Oct 2011US 2011/0247620 A1Chart SeQual Technologies Inc.
- Portable Oxygen Delivery Device13 Oct 2011US 2011/0247621 A1Chart SeQual Technologies Inc.
Most cited
By later US patents
- Defroster of refrigerant circuit and rotary compressor26US 6,732,542 B2Sanyo Electric Co., Ltd. · 2004
- Closed loop scroll expander engine19US 8,006,496 B2SECCO2 Engines, Inc. · 2011
- CO.sub.2 compressor15US 6,129,532 ADenso Corporation · 2000
- Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit14US 6,974,314 B2Sanyo Electric Co., Ltd. · 2005
- Scroll compressor for carbon dioxide supplied with a lubricant10US 6,827,563 B2Matusushita Electric Industrial Co., Ltd. · 2004