G21H 3/00
Arrangements for direct conversion of radiation energy from radioactive sources into forms
Official title: Arrangements for direct conversion of radiation energy from radioactive sources into forms of energy other than electric energy, e.g. {into} light {or mechanic energy}
G21H3/00 (Arrangements for direct conversion of radiation energy from radioactive sources into forms) appears on 34 US grants and 41 published applications in this corpus.
Search patents in G21H- Granted patents
- 34
- Published applications
- 41
- Assignees
- 30
- Inventors
- 103
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 5 |
| 2017 | 2 | 0 |
| 2018 | 1 | 8 |
| 2019 | 3 | 3 |
| 2020 | 4 | 3 |
| 2021 | 1 | 3 |
| 2022 | 3 | 1 |
| 2023 | 3 | 4 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition and process for enhanced oil recovery8 Jul 2025US 12,352,145 B2
- Lighting element for a firearm or sight8 Oct 2024US 12,112,937 B2mb-microtec ag
- Gaseous tritium light source20 Feb 2024US 11,908,677 B1mb-microtec ag
- Electrode with radioisotope and phosphor composite layer for hybrid radioisotope batteries and radioluminescent surfaces16 Jan 2024US 11,875,908 B2The United States of America as represented by the Secretary of the Army
- Lighting element19 Sep 2023US 11,764,053 B1mb-microtec ag
- A meson converter for generating thermal energy from a meson flux2 Apr 2026US 2026/0094736 A1LazeraH AB
- Composition and process for enhanced oil recovery2 Oct 2025US 2025/0305398 A1
- Composition and process for enhanced oil recovery12 Jun 2025US 2025/0188824 A1
- Lighting element for a firearm or sight18 Apr 2024US 2024/0128073 A1mb-microtec ag
- Chargeable atomic battery with pre-activation encapsulation manufacturing29 Jun 2023US 2023/0207148 A1Ultra Safe Nuclear Corporation
Most cited
By later US patents
- Direct charge radioisotope activation and power generation68US 6,479,920 B1Wisconsin Alumni Research Foundation · 2002
- Luminescent concentrator light source20US 4,935,632 ALandus Inc. · 1990
- Solid-state radiation-emitting compositions and devices15US 5,122,305 A1992
- Radioluminescent semiconductor light source12US 5,561,679 AOntario Hydro · 1996
- Tritium light8US 4,788,437 ALandus Inc. · 1988