B01J 7/02
Apparatus for generating gases: by wet methods
Official title: by wet methods
B01J7/02 (Apparatus for generating gases: by wet methods) appears on 372 US grants and 387 published applications in this corpus.
Search patents in B01J- Granted patents
- 372
- Published applications
- 387
- Assignees
- 249
- Inventors
- 885
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 5 |
| 2003 | 5 | 11 |
| 2004 | 8 | 18 |
| 2005 | 6 | 13 |
| 2006 | 6 | 19 |
| 2007 | 7 | 26 |
| 2008 | 9 | 13 |
| 2009 | 5 | 18 |
| 2010 | 10 | 16 |
| 2011 | 10 | 18 |
| 2012 | 14 | 12 |
| 2013 | 12 | 16 |
| 2014 | 9 | 14 |
| 2015 | 23 | 20 |
| 2016 | 11 | 35 |
| 2017 | 11 | 16 |
| 2018 | 15 | 20 |
| 2019 | 28 | 21 |
| 2020 | 10 | 11 |
| 2021 | 15 | 13 |
| 2022 | 8 | 14 |
| 2023 | 7 | 4 |
| 2024 | 6 | 19 |
| 2025 | 7 | 10 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Hydrogen production apparatus, hydrogen production method, silicon fine particles for hydrogen production, and production method for silicon fine particles for hydrogen production15 Sep 2026US 12,735,315 B2Nisshin Kasei Co., Ltd.
- Gas micro reactor utilizing membrane packaging21 Apr 2026US 12,605,689 B2Selective Micro Technologies, LLC
- Hydrogen production system7 Apr 2026US 12,595,170 B2Mitsubishi Heavy Industries, Ltd.
- Hydrogen release/storage system, hydrogen release/storage method, ammonia production equipment, gas turbine, fuel cell, and steel mill24 Mar 2026US 12,582,953 B2Mitsubishi Heavy Industries, Ltd.
- Gas micro reactor utilizing membrane packaging13 Aug 2026US 2026/0233188 A1Selective Micro Technologies, LLC
- Vaporizer14 May 2026US 2026/0132505 A1Lintec Corporation
- Hydrogen reactors including flexible membranes30 Apr 2026US 2026/0115682 A1Massachusetts Institute of Technology
- Solid state delivery system15 Jan 2026US 2026/0015230 A1GE Aviation Systems LLC
- Hydrogen generation apparatus and reaction case9 Oct 2025US 2025/0312756 A1
Most cited
By later US patents
- Liquid delivery device having a vial attachment or adapter incorporated therein174US 5,397,303 ARiver Medical, Inc. · 1995
- Liquid delivery device153US 5,558,255 ARiver Medical, Inc. · 1996
- Miniature hydrogen generator107US 4,155,712 A1979
- Portable chemical hydrogen hydride system106US 6,544,400 B2Manhattan Scientifics, Inc. · 2003
- Liquid delivery device105US 5,398,851 ARiver Medical, Inc. · 1995