C02F 2101/206
Manganese or manganese compounds
Official title: {Manganese or manganese compounds}
C02F2101/206 (Manganese or manganese compounds) appears on 190 US grants and 292 published applications in this corpus.
Search patents in C02F- Granted patents
- 190
- Published applications
- 292
- Assignees
- 199
- Inventors
- 629
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 7 |
| 2005 | 5 | 4 |
| 2006 | 5 | 2 |
| 2007 | 3 | 6 |
| 2008 | 2 | 6 |
| 2009 | 4 | 3 |
| 2010 | 2 | 7 |
| 2011 | 2 | 5 |
| 2012 | 4 | 15 |
| 2013 | 8 | 10 |
| 2014 | 7 | 26 |
| 2015 | 5 | 13 |
| 2016 | 10 | 16 |
| 2017 | 10 | 19 |
| 2018 | 8 | 14 |
| 2019 | 10 | 21 |
| 2020 | 9 | 19 |
| 2021 | 18 | 12 |
| 2022 | 20 | 18 |
| 2023 | 15 | 16 |
| 2024 | 9 | 16 |
| 2025 | 11 | 12 |
| 2026 | 5 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silicon-aluminum-iron composite material, and preparation method therefor and use thereof29 Sep 2026US 12,746,526 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Process for removing hardness and total organic carbon from drinking water25 Aug 2026US 12,715,796 B2Veolia Water Solutions & Technologies Support
- Synthesis of composite beads coated with layered manganese oxide and use of such beads to remove toxic elements contained in fluids9 Jun 2026US 12,649,673 B2Centre National de la Recherche Scientique
- Resource-oriented utilization method for high-salt salt mud containing sodium chloride and sodium sulfate19 May 2026US 12,630,453 B2Dongjiang Enviromental Company Limited
- Water purifier filter and water purifier comprising same31 Mar 2026US 12,590,015 B2LG Electronics Inc.
- Filtering System for a Storm Water Catch Basin17 Sep 2026US 2026/0274709 A1Trash Guard Incorporated
- Impurity removal from brines pre/post direct lithium extraction10 Sep 2026US 2026/0265093 A1Schlumberger Technology Corporation
- System for resource recovery and zero liquid discharge treatment of wastewater generated during a precursor manufacturing process for a cathode active material of secondary battery10 Sep 2026US 2026/0265105 A1Bkt Co., Ltd.
- Solid formulations for neutralizing acidic tailings ponds and methods of neutralizing acidic tailings ponds27 Aug 2026US 2026/0250165 A1
- Porous body, adsorbent including the porous body, and method of removing metal and/or metal ion with the adsorbent20 Aug 2026US 2026/0241370 A1Mitsui Mining & Smelting Co., Ltd.
Most cited
By later US patents
- Process and apparatus for removal of mineral contaminants from water68US 5,096,596 AHellenbrand Water Conditioners, Inc. · 1992
- Method and system for treating water used for industrial purposes42US 8,518,269 B2Crystal Lagoons (Curacao) B.V. · 2013
- High-efficiency water-softening process40US 8,147,696 B12012
- Method for recovering and separating metals from waste streams35US 6,274,045 B12001
- Methods of preparing a surface-activated titanium oxide product and of using same in water treatment processes32US 6,919,029 B2The Trustees of the Stevens Institute of Technology · 2005