G21B 1/13
First wall
Official title: First wall; Blanket; Divertor
G21B1/13 (First wall) appears on 131 US grants and 140 published applications in this corpus.
Search patents in G21B- Granted patents
- 131
- Published applications
- 140
- Assignees
- 85
- Inventors
- 371
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 12 |
| 2018 | 8 | 11 |
| 2019 | 2 | 9 |
| 2020 | 10 | 9 |
| 2021 | 4 | 4 |
| 2022 | 11 | 5 |
| 2023 | 2 | 7 |
| 2024 | 6 | 21 |
| 2025 | 5 | 17 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sulfur blanket6 Oct 2026US 12,755,853 B2Beam Alpha, Inc.
- Direct laser fusion system15 Sep 2026US 12,738,384 B2Blue Laser Fusion, Inc.
- Stellarators using arrays of permanent magnets1 Sep 2026US 12,725,725 B2The Trustees of Princeton University
- Methods and systems for particle diversion and enhanced pumping efficiency18 Aug 2026US 12,712,089 B2Type One Energy Group, Inc.
- Method and apparatus for controlling plasma compression11 Aug 2026US 12,707,554 B2General Fusion Inc.
- Divertor gas puffing8 Oct 2026US 2026/0311894 A1Tokamak Energy Ltd
- Blanket for fusion reactor27 Aug 2026US 2026/0253751 A1Kyoto Fusioneering Ltd.
- Ceramic coating13 Aug 2026US 2026/0234782 A1
- Direct laser fusion system6 Aug 2026US 2026/0229373 A1Blue Laser Fusion, Inc.
- Coating of plasma-wall interaction components in nuclear power generators30 Jul 2026US 2026/0221297 A1ENEA - Agenzia nazionale per le nuove tecnologie, l’energia e lo sviluppo economico sostenibile
Most cited
By later US patents
- Plasma facing components of nuclear fusion reactors employing tungsten materials370US 6,261,648 B1Japan Atomic Energy Research Institute · 2001
- Plasma facing components of nuclear fusion reactors employing tungsten materials369US 6,610,375 B2Japan Atomic Energy Research Institute · 2003
- Particle beam injection system82US 4,065,351 AThe United States of America as represented by the United States Energy Research and Development Administration · 1977
- Air filter for internal combustion engine59US 4,588,426 AAciers et Outillage Peugeot · 1986
- Nuclear fusion reactor48US 5,182,075 AHitachi, Ltd. · 1993