C01B 32/384
Granulation
C01B32/384 (Granulation) appears on 76 US grants and 49 published applications in this corpus.
Search patents in C01B- Granted patents
- 76
- Published applications
- 49
- Assignees
- 72
- Inventors
- 246
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 4 | 5 |
| 2016 | 1 | 2 |
| 2017 | 5 | 4 |
| 2018 | 1 | 2 |
| 2019 | 0 | 5 |
| 2020 | 4 | 1 |
| 2021 | 0 | 7 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ambient temperature catalyst for trace contaminant control with improvements to carbon monoxide and hydrogen capture27 Jan 2026US 12,533,632 B2Hamilton Sundstrand Corporation
- Method for hydrolyzing cellulose into sugar to produce spherical capacitive carbon25 Nov 2025US 12,479,732 B2Guangxi Academy of Sciences
- Active carbon molded body13 Aug 2024US 12,059,665 B2LIXIL Corporation
- Carbonaceous material and method for producing same, electrode active material for electrochemical devices, electrode for electrochemical devices, and electrochemical device22 Aug 2023US 11,731,880 B2Kuraray Co., Ltd.
- Modified activated carbon and method for producing same30 Aug 2022US 11,430,614 B2Kuraray Co., Ltd.
- Method for producing agglomerates mainly composed of carbon23 Jul 2026US 2026/0209049 A1Jfe Steel Corporation
- Activated carbon composite and method of removing contaminant14 May 2026US 2026/0131306 A1Birchtech Corp.
- System and method for producing activated carbon material from cow dung9 Oct 2025US 2025/0313477 A1Princess Nourah Bint Abdulrahman University
- A Process for Manufacturing Funtionalized Activated Nanoporous Carbon and Use Thereof5 Jun 2025US 2025/0178908 A1Anunine Holdings (Private) Limited
- Mechanochemically pre-treated, heavy-metal-free activated carbon particles a, topical pharmaceuticals, medical products and cosmetics, preparation process and uses5 Dec 2024US 2024/0398860 A1
Most cited
By later US patents
- Filter sheet material109US 4,510,193 A1985
- Catalytic carbon105US 5,356,849 ACalgon Carbon Corporation · 1994
- Method of fabricating graphite for use as a skeletal prosthesis and product thereof103US 4,070,514 AThe United States of America as represented by the United States Department of Energy · 1978
- Granulated activated carbon for water treatment100US 4,954,469 A1990
- Adsorbent body and method for making same81US 4,061,807 A1977