C01B 3/0018
Inorganic elements or compounds
Official title: Inorganic elements or compounds, e.g. oxides, nitrides, borohydrides or zeolites; Solutions thereof
C01B3/0018 (Inorganic elements or compounds) appears on 790 US grants and 769 published applications in this corpus.
Search patents in C01B- Granted patents
- 790
- Published applications
- 769
- Assignees
- 478
- Inventors
- 2,041
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 9 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 12 | 0 |
| 1983 | 13 | 0 |
| 1984 | 13 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 25 | 13 |
| 2002 | 17 | 28 |
| 2003 | 23 | 32 |
| 2004 | 26 | 32 |
| 2005 | 8 | 43 |
| 2006 | 20 | 49 |
| 2007 | 15 | 39 |
| 2008 | 20 | 37 |
| 2009 | 19 | 48 |
| 2010 | 37 | 49 |
| 2011 | 29 | 50 |
| 2012 | 31 | 39 |
| 2013 | 38 | 39 |
| 2014 | 35 | 20 |
| 2015 | 26 | 18 |
| 2016 | 19 | 15 |
| 2017 | 20 | 24 |
| 2018 | 10 | 24 |
| 2019 | 21 | 16 |
| 2020 | 13 | 19 |
| 2021 | 10 | 21 |
| 2022 | 16 | 26 |
| 2023 | 20 | 23 |
| 2024 | 18 | 31 |
| 2025 | 18 | 19 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen storage material, hydrogen storage container, and hydrogen supply apparatus22 Sep 2026US 12,741,866 B2Santoku Corporation
- Lithiation induced porous Pd nanoparticle/3D Graphene aerogel composite for highly reversible hydrogen storage based on spillover process11 Aug 2026US 12,703,626 B2Korea Advanced Institute of Science and Technology
- Heat generation device, heat utilization system and film-like heat generation element5 May 2026US 12,618,592 B2Clean Planet Inc.
- Hydrogen storage material, hydrogen storage container, and hydrogen supply apparatus31 Mar 2026US 12,590,355 B2Santoku Corporation
- Carbon-based compositions with highly efficient volumetric gas sorption27 Jan 2026US 12,533,654 B2Group14 Technologies, Inc.
- Hydrogen storage material and fuel cell containing the same17 Sep 2026US 2026/0279868 A1
- Mixed gas separation device and mixed gas separation method27 Aug 2026US 2026/0250130 A1L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitaion des Procédés Georges Claude
- Hydrogen carrier manufacturing system, control apparatus, and hydrogen carrier manufacturing method13 Aug 2026US 2026/0233991 A1Eneos Corporation
- System and method for storing and recovering hydrogen23 Jul 2026US 2026/0209037 A1Ariel Scientific Innovations Ltd.
- High-Sulfur Petroleum Coke-Based Sulfur Self-Doped Mesoporous Carbon-Supported Fe-TM Bimetallic Alloy Catalyst, Preparation Method, and Use Thereof16 Jul 2026US 2026/0199879 A1Qingda Low Carbon Green Hydrogen Industrial Technology Research Institute (Qingdao) Co., Ltd.
Most cited
By later US patents
- Process for the preparation of nanostructured materials191US 7,056,455 B2Carnegie Mellon University · 2006
- Amorphous metal alloy compositions for reversible hydrogen storage and electrodes made therefrom131US 4,923,770 AThe Standard Oil Company · 1990
- Article comprising small diameter nanowires and method for making the same124US 6,465,132 B1Agere Systems Guardian Corp. · 2002
- Compositionally graded amorphous metal alloys and process for the synthesis of same120US 4,859,413 AThe Standard Oil Company · 1989
- Hydrogen storage, distribution, and recovery system107US 7,169,489 B2FuelSell Technologies, Inc. · 2007