B01D 2251/606
Carbonates
B01D2251/606 (Carbonates) appears on 483 US grants and 718 published applications in this corpus.
Search patents in B01D- Granted patents
- 483
- Published applications
- 718
- Assignees
- 417
- Inventors
- 1,619
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 4 |
| 2008 | 1 | 4 |
| 2009 | 2 | 15 |
| 2010 | 10 | 31 |
| 2011 | 11 | 37 |
| 2012 | 14 | 36 |
| 2013 | 18 | 32 |
| 2014 | 26 | 36 |
| 2015 | 37 | 43 |
| 2016 | 23 | 46 |
| 2017 | 33 | 41 |
| 2018 | 38 | 52 |
| 2019 | 35 | 48 |
| 2020 | 47 | 46 |
| 2021 | 42 | 32 |
| 2022 | 23 | 28 |
| 2023 | 35 | 51 |
| 2024 | 20 | 39 |
| 2025 | 26 | 55 |
| 2026 | 14 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical additives for direct air carbon capture25 Aug 2026US 12,714,966 B2Halliburton Energy Services.Inc.
- Using carbon dioxide from a direct air capture system as a low global warming car and industrial refrigerant25 Aug 2026US 12,716,620 B2AirMyne, Inc.
- Alkali enrichment mediated CO2 sequestration methods, and systems for practicing the same28 Jul 2026US 12,691,410 B1Blue Planet Systems Corporation
- Method and apparatus for carbon dioxide sequestration2 Jun 2026US 12,643,086 B2Anvil Capture Systems Inc.
- Thermo-chemical transformation of wet food waste with plastics, biodegradable packaging, and fluorinated compounds in a multi-annular concentric feed rotary kiln system2 Jun 2026US 12,644,061 B1Simple Approach Systems, Inc.
- Process for stripping co2 from solutions of alkali metal carbonates10 Sep 2026US 2026/0263989 A1Giammarco Technologies S.R.L.
- Measuring cup having a bitmapped pattern10 Sep 2026US 2026/0264011 A1The Procter & Gamble Company
- Method for treating exhaust gas, and facility for carrying out method3 Sep 2026US 2026/0257172 A1Mitsubishi Heavy Industries, Ltd.
- Method to reduce energy costs for co2 capture by mineral looping27 Aug 2026US 2026/0249234 A1UT-Battelle, LLC
- Carbon Dioxide Valorization Through Cation-Gradient Carbon Dioxide Capture and Electrolysis Coupled to Electrochemical Electrolyte Decarbonation27 Aug 2026US 2026/0249245 A1Dioxycle
Most cited
By later US patents
- Carbon dioxide capture process with regenerable sorbents77US 6,387,337 B1The United States of America as represented by the United States Department of Energy · 2002
- Process for separating synthesis gas into fuel cell quality hydrogen and sequestration ready carbon dioxide74US 6,667,022 B2General Electric Company · 2003
- Energy efficient gas separation for fuel cells74US 7,087,331 B2QuestAir Technologies Inc. · 2006
- Selective-permeation gas-separation process and apparatus62US 4,750,918 AThe Trustees of the Stevens Institute of Technology · 1988
- Filter and method for making a filter53US 6,077,335 ADonaldson Company, Inc. · 2000