G21H 1/02
Cells charged directly by beta radiation
G21H1/02 (Cells charged directly by beta radiation) appears on 53 US grants and 63 published applications in this corpus.
Search patents in G21H- Granted patents
- 53
- Published applications
- 63
- Assignees
- 42
- Inventors
- 138
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 6 |
| 2012 | 3 | 6 |
| 2013 | 2 | 4 |
| 2014 | 6 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 7 |
| 2019 | 5 | 1 |
| 2020 | 3 | 4 |
| 2021 | 0 | 2 |
| 2022 | 4 | 5 |
| 2023 | 3 | 4 |
| 2024 | 2 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor betavoltaic batteries with p-n diodes15 Sep 2026US 12,738,389 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Betavoltaic devices23 Dec 2025US 12,505,932 B2Genx Energy Pty Ltd
- Betavoltaic battery and method for manufacturing betavoltaic battery9 Dec 2025US 12,494,299 B2Korea Atomic Energy Research Institute
- Small form factor betavoltaic battery for use in applications requiring a volumetrically small power source4 Nov 2025US 12,462,944 B1City Labs, Inc.
- High performance power sources integrating an ion media and radiation3 Jun 2025US 12,322,520 B2Stargena, Inc.
- 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
- High-efficiency quantum-enhanced microcrystalline converter for nuclear voltaic power systems9 Jul 2026US 2026/0196374 A1Nubatt Pte. Ltd.
Most cited
By later US patents
- High efficiency radio isotope energy converters using both charge and kinetic energy of emitted particles27US 7,301,254 B1Cornell Research Foundation, Inc. · 2007
- Beta cell device using icosahedral boride compounds23US 6,479,919 B12002
- Betavoltaic cell20US 7,663,288 B2Cornell Research Foundation, Inc. · 2010
- Nuclear batteries19US 8,134,216 B2Widetronix, Inc. · 2012
- Betavoltaic cell18US 7,939,986 B2Cornell Research Foundation, Inc. · 2011