G21H 1/04
Cells using secondary emission induced by alpha radiation, beta radiation, or gamma
Official title: Cells using secondary emission induced by alpha radiation, beta radiation, or gamma radiation
G21H1/04 (Cells using secondary emission induced by alpha radiation, beta radiation, or gamma) appears on 48 US grants and 61 published applications in this corpus.
Search patents in G21H- Granted patents
- 48
- Published applications
- 61
- Assignees
- 29
- Inventors
- 105
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 4 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 4 |
| 2017 | 3 | 6 |
| 2018 | 4 | 2 |
| 2019 | 3 | 8 |
| 2020 | 6 | 2 |
| 2021 | 2 | 2 |
| 2022 | 3 | 4 |
| 2023 | 6 | 6 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Devices, systems, and methods for power generation using irradiators and other gamma ray sources16 Jun 2026US 12,658,336 B2Westinghouse Electric Corp.
- Carbon electrode for dye-sensitized betavoltaic batteries, betavoltaic battery including the same, and method of manufacturing the same12 May 2026US 12,626,921 B2Daegu Gyeongbuk Institute of Science and Technology
- Nuclear voltaic power-source19 Aug 2025US 12,394,534 B2NDB Inc.
- High performance power sources integrating an ion media and radiation3 Jun 2025US 12,322,520 B2Stargena, Inc.
- High performance electric generators boosted by nuclear electron avalanche (NEA)7 May 2024US 11,979,100 B2United States of America as represented by the Administrator of NASA
- Carbon electrode for dye-sensitized betavoltaic batteries, betavoltaic battery including the same, and method of manufacturing the same24 Sep 2026US 2026/0290818 A1Daegu Gyeongbuk Institute of Science and Technology
- Liquid scintillator transducer-powered nuclear voltaic system30 Jul 2026US 2026/0221305 A1Nubatt Pte. Ltd.
- Scalable configurations for stacked nuclear voltaic power sources utilizing spherical cells in cylindrical battery form factor assemblies16 Jul 2026US 2026/0204448 A1
- Gaseous xenon-based nuclear voltaic power source using radioisotopes in aerosol form9 Jul 2026US 2026/0196372 A1
- Integrated spherical semiconductor with enhanced energy conversion via quantum effects for stacked nuclear voltaic power systems9 Jul 2026US 2026/0196373 A1
Most cited
By later US patents
- Nuclear battery36US 5,721,462 AIowa State University Research Foundation, Inc. · 1998
- Apparatus for direct conversion of radioactive decay energy to electrical energy30US 4,835,433 ANucell, Inc. · 1989
- Alpha voltaic batteries and methods thereof21US 7,718,283 B2Glenn Research Center · 2010
- Nuclear thermionic avalanche cells with thermoelectric (NTAC-TE) generator in tandem mode13US 10,269,463 B2United States of America as represented by the Administrator of NASA · 2019
- Photon power cell12US 6,479,743 B22002