G21H 1/10
Cells in which radiation heats a thermoelectric junction or a thermionic converter
Official title: Cells in which radiation heats a thermoelectric junction or a thermionic converter
G21H1/10 (Cells in which radiation heats a thermoelectric junction or a thermionic converter) appears on 80 US grants and 68 published applications in this corpus.
Search patents in G21H- Granted patents
- 80
- Published applications
- 68
- Assignees
- 49
- Inventors
- 168
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 9 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 0 | 0 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 10 |
| 2021 | 4 | 5 |
| 2022 | 6 | 14 |
| 2023 | 8 | 7 |
| 2024 | 7 | 6 |
| 2025 | 5 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Devices, systems, and methods for power generation using irradiators and other gamma ray sources16 Jun 2026US 12,658,336 B2Westinghouse Electric Corp.
- Energy converter system and method of operation12 May 2026US 12,626,832 B2Spark Thermionics, Inc.
- Power generation devices, associated components, and methods13 Jan 2026US 12,525,371 B2Battelle Energy Alliance, LLC
- Power source device and power generation method utilizing radioactive energy due to alpha decay4 Nov 2025US 12,462,945 B2
- Scalable radioisotope power tiles10 Jun 2025US 12,327,650 B2The Aerospace Corporation
- Modular nuclear battery and nuclear cell system27 Aug 2026US 2026/0253759 A1Terminus Pesquisa E Desenvolvimento Em Energia LTDA
- Liquid scintillator transducer-powered nuclear voltaic system30 Jul 2026US 2026/0221305 A1Nubatt Pte. Ltd.
- High-efficiency quantum-enhanced microcrystalline converter for nuclear voltaic power systems9 Jul 2026US 2026/0196374 A1Nubatt Pte. Ltd.
- Energy converter system and method of operation26 Feb 2026US 2026/0058030 A1Spark Thermionics, Inc.
- Tritium thermoelectric generator5 Feb 2026US 2026/0038706 A1
Most cited
By later US patents
- Direct thermal-electric conversion for geothermal energy recovery86US 4,047,093 A1977
- Method and apparatus for thermionic generator69US 5,994,638 ABorealis Technical Limited · 1999
- High energy density nuclide-emitter, voltaic-junction battery59US 5,260,621 ASpire Corporation · 1993
- Method of making solar cell53US 4,348,254 ASolarex Corporation · 1982
- Thermoelectric power system32US 3,931,532 AThe United States of America as represented by the United States National Aeronautics and Space Administration · 1976