B01D 2253/112
Metals or metal compounds not provided for in b01d2253/104 or b01d2253/106
Official title: Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
B01D2253/112 (Metals or metal compounds not provided for in b01d2253/104 or b01d2253/106) appears on 1,146 US grants and 1,445 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,146
- Published applications
- 1,445
- Assignees
- 772
- Inventors
- 3,399
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 16 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 4 |
| 2002 | 19 | 23 |
| 2003 | 21 | 24 |
| 2004 | 15 | 31 |
| 2005 | 14 | 25 |
| 2006 | 15 | 18 |
| 2007 | 9 | 13 |
| 2008 | 14 | 25 |
| 2009 | 13 | 30 |
| 2010 | 16 | 57 |
| 2011 | 17 | 46 |
| 2012 | 33 | 63 |
| 2013 | 56 | 69 |
| 2014 | 41 | 67 |
| 2015 | 67 | 83 |
| 2016 | 61 | 80 |
| 2017 | 62 | 84 |
| 2018 | 86 | 118 |
| 2019 | 90 | 90 |
| 2020 | 71 | 86 |
| 2021 | 56 | 79 |
| 2022 | 63 | 76 |
| 2023 | 59 | 80 |
| 2024 | 51 | 75 |
| 2025 | 59 | 54 |
| 2026 | 27 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst reactor15 Sep 2026US 12,734,473 B2Taiyuan University of Technology
- Hydrated lime for carbon capture1 Sep 2026US 12,722,136 B1Lhoist North America, Inc.
- Surface molecularly imprinted magnetic nanometer material of salvianolic acid A, preparation method therefor and use thereof1 Sep 2026US 12,722,142 B2Zhejiang Chinese Medical University
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Systems and methods of abating hydrogen sulfide gas28 Jul 2026US 12,691,403 B2Rivian IP Holdings, LLC
- Method for purifying bromine gas1 Oct 2026US 2026/0295496 A1Resonac Corporation
- Method for removing hydrogen fluoride24 Sep 2026US 2026/0284570 A1Resonac Corporation
- Working electrode, electrochemical cell, and manufacturing method of working electrode10 Sep 2026US 2026/0264007 A1Denso Corporation
- Method for selectively recovering volatile pt or pd10 Sep 2026US 2026/0265057 A1Yara International Asa
- Production of nitrogen, potassium, sulfur nutrient through de-carbonization and utilization of calcium sulfate3 Sep 2026US 2026/0257974 A1Sabic Agri-Nutrients Company
Most cited
By later US patents
- Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass253US 4,094,777 AInstitut Francais du Petrole · 1978
- Respirator filter system167US 5,714,126 AMine Safety Appliances Company · 1998
- High temperature fuel cell power plant165US 7,097,925 B2QuestAir Technologies Inc. · 2006
- Coatings with controlled porosity and chemical properties114US 5,589,396 ASandia Corporation · 1996
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003