C04B 18/081
From brown coal or lignite
Official title: {from brown coal or lignite}
C04B18/081 (From brown coal or lignite) appears on 5 US grants and 13 published applications in this corpus.
Search patents in C04B- Granted patents
- 5
- Published applications
- 13
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 28 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Lithium-treated calcium aluminate cement (CAC)-based products, concretes, and related techniques28 Dec 2021US 11,208,352 B1Vhsc, Ltd.
- Utility materials incorporating a microparticle matrix formed with a setting agent17 Dec 2019US 10,508,437 B2Ashtech Industries, LLC
- Utility materials incorporating a microparticle matrix formed with a setting agent14 Nov 2017US 9,816,266 B2Ashtech Industries, LLC
- Upgraded combustion ash and its method of production4 Nov 2014US 8,876,027 B2Sonoash LLC
- Utility materials incorporating a microparticle matrix formed with a setting agent26 Nov 2013US 8,591,677 B2Ashtech Industries, LLC
- Heavy-metal-reduced post-industrial waste in cementitious materials and methods of making and using thereof27 Aug 2026US 2026/0250194 A1William Marsh Rice University
- Utility materials incorporating a microparticle matrix formed with a setting agent12 Mar 2026US 2026/0071423 A1Akamai Materials, Inc.
- Utility materials incorporating a microparticle matrix formed with a setting agent13 Jun 2024US 2024/0191499 A1Microsphere Labs LLC
- Admixture for cementitious mixtures28 Jul 2022US 2022/0234952 A1Hazelmere Research Ltd.
- Utility materials incorporating a microparticle matrix formed with a setting agent13 Jan 2022US 2022/0010550 A1Ashtech Industries, LLC
Most cited
By later US patents
- Upgraded combustion ash and its method of production12US 8,876,027 B2Sonoash LLC · 2014
- Utility materials incorporating a microparticle matrix formed with a setting agent8US 8,591,677 B2Ashtech Industries, LLC · 2013
- Utility materials incorporating a microparticle matrix formed with a setting agent1US 9,816,266 B2Ashtech Industries, LLC · 2017