B01J 7/00
Apparatus for generating gases
Official title: Apparatus for generating gases (production of inert gas mixtures B01J19/14; for generating specific gases, see the relevant subclasses, e.g. C01B, C10J {; in "air bags" on vehicles B60R21/26; for starter gas F02C7/26; blasting cartridges for producing gas under pressure F42B3/04})
B01J7/00 (Apparatus for generating gases) appears on 767 US grants and 811 published applications in this corpus.
Search patents in B01J- Granted patents
- 767
- Published applications
- 811
- Assignees
- 506
- Inventors
- 1,810
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 8 | 0 |
| 1978 | 14 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 14 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 3 |
| 2002 | 7 | 9 |
| 2003 | 10 | 18 |
| 2004 | 13 | 31 |
| 2005 | 12 | 16 |
| 2006 | 8 | 23 |
| 2007 | 13 | 33 |
| 2008 | 13 | 15 |
| 2009 | 7 | 21 |
| 2010 | 15 | 24 |
| 2011 | 15 | 24 |
| 2012 | 18 | 19 |
| 2013 | 19 | 48 |
| 2014 | 25 | 47 |
| 2015 | 47 | 51 |
| 2016 | 39 | 78 |
| 2017 | 36 | 49 |
| 2018 | 33 | 32 |
| 2019 | 55 | 42 |
| 2020 | 30 | 35 |
| 2021 | 37 | 32 |
| 2022 | 21 | 40 |
| 2023 | 24 | 29 |
| 2024 | 27 | 45 |
| 2025 | 27 | 32 |
| 2026 | 18 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Containerized processing of activated aluminum6 Oct 2026US 12,752,248 B1Ltag Systems LLC
- 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 generator16 Jun 2026US 12,656,088 B2Nippon Kayaku Kabushiki Kaisha
- Reactor for on-demand high pressure hydrogen2 Jun 2026US 12,643,788 B2Triad National Security, LLC
- Gas micro reactor utilizing membrane packaging21 Apr 2026US 12,605,689 B2Selective Micro Technologies, LLC
- Systems and methods for producing chlorine dioxide8 Oct 2026US 2026/0307990 A1ChemE Solutions Process Engineering Inc.
- Gas micro reactor utilizing membrane packaging13 Aug 2026US 2026/0233188 A1Selective Micro Technologies, LLC
- Hydrogen Energy Storage Via Plasma-Based Technology6 Aug 2026US 2026/0225883 A1The Texas A&M University System
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging30 Jul 2026US 2026/0216789 A1Ohio State Innovation Foundation
- Metal fiber filter, filter unit, and vaporizer21 May 2026US 2026/0138059 A1Nippon Seisen Co., Ltd.
Most cited
By later US patents
- Method for the production of hydrogen-containing gaseous mixtures233US 6,685,754 B2Alchemix Corporation · 2004
- 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
- Passenger automotive restraint generator122US 4,950,458 AMorton International, Inc. · 1990
- Miniature hydrogen generator107US 4,155,712 A1979