F25B 2321/003
Details of machines, plants or systems, using electric or magnetic effects: by
Official title: by using thermionic electron cooling effects
F25B2321/003 (Details of machines, plants or systems, using electric or magnetic effects: by) appears on 40 US grants and 39 published applications in this corpus.
Search patents in F25B- Granted patents
- 40
- Published applications
- 39
- Assignees
- 29
- Inventors
- 81
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 4 |
| 2006 | 1 | 7 |
| 2007 | 3 | 4 |
| 2008 | 3 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryogenic solid state heat pump21 Nov 2023US 11,823,974 B2Northwestern University
- Solid state cooler device17 May 2022US 11,333,413 B2Northrop Grumman Systems Corporation
- Superconductor thermal filter30 Nov 2021US 11,189,773 B2Northrop Grumman Systems Corporation
- Cooling a target using electrons2 Mar 2021US 10,935,285 B2Lockheed Martin Corporation
- Emissive composite materials and methods for use thereof5 Feb 2019US 10,197,323 B1Lockheed Martin Corporation
- Thermoelectric element, method for manufacturing thermoelectric element, and refrigerator including thermoelectric element25 Jun 2026US 2026/0177292 A1Samsung Electronics Co., Ltd.
- Solid-State Cooler Device with Normal Metal Substrates5 Feb 2026US 2026/0036345 A1Northrop Grumman Systems Corporation
- Cryogenic solid state heat pump30 Jun 2022US 2022/0208644 A1Northwestern University
- Solid state cooler device4 Mar 2021US 2021/0063060 A1Northrop Grumman Systems Corporation
- Superconductor thermal filter4 Mar 2021US 2021/0066571 A1Northrop Grumman Systems Corporation
Most cited
By later US patents
- Thin film thermoelectric devices for hot-spot thermal management in microprocessors and other electronics119US 7,523,617 B2Nextreme Thermal Solutions, Inc. · 2009
- Method for making a diode device77US 6,417,060 B2Borealis Technical Limited · 2002
- Method and apparatus for vacuum diode-based devices with electride-coated electrodes62US 5,675,972 ABorealis Technical Limited · 1997
- Low work function electrode52US 5,874,039 ABorealis Technical Limited · 1999
- Method and apparatus for improved vacuum diode heat pump49US 5,722,242 ABorealis Technical Limited · 1998