F04C 2210/105
Helium
Official title: Helium (He)
F04C2210/105 (Helium) appears on 7 US grants and 10 published applications in this corpus.
Search patents in F04C- Granted patents
- 7
- Published applications
- 10
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Helium compressor system with unmodified scroll compressor1 Oct 2024US 12,104,596 B2Sumitomo (SHI) Cryogenics of America, Inc.
- Shifting head assisted rotary positive displacement device14 Nov 2023US 11,814,961 B2
- Sealed scroll compressor for helium31 May 2016US 9,353,751 B2Hitachi Appliances, Inc.
- Hermetically sealed scroll compressor19 Jan 2016US 9,239,053 B2Hitachi Appliances, Inc.
- Helium enclosed compressor14 Jan 2014US 8,628,306 B2Hitachi Appliances, Inc.
- Helium compressor system with unmodified scroll compressor15 Sep 2022US 2022/0290670 A1Sumitomo (SHI) Cryogenics of America, Inc.
- Shifting Head Assisted Rotary Positive Displacement Device9 Dec 2021US 2021/0381506 A1ThermalTech Holdings, LLC
- Cold start helium compressor22 Jun 2017US 2017/0175743 A1Sumitomo (SHI) Cryogenics of America, Inc.
- Sealed Scroll Compressor for Helium1 May 2014US 2014/0119971 A1Hitachi Appliances, Inc.
- Sealed Scroll Compressor for Helium22 Nov 2012US 2012/0294748 A1Hitachi Appliances, Inc.
Most cited
By later US patents
- Scroll compressor52US 6,017,205 ACopeland Corporation · 2000
- Helium enclosed compressor2US 8,628,306 B2Hitachi Appliances, Inc. · 2014
- Helium compressor system with unmodified scroll compressor1US 12,104,596 B2Sumitomo (SHI) Cryogenics of America, Inc. · 2024
- Sealed scroll compressor for helium1US 9,353,751 B2Hitachi Appliances, Inc. · 2016