C04B 20/02
Treatment
C04B20/02 (Treatment) appears on 454 US grants and 589 published applications in this corpus.
Search patents in C04B- Granted patents
- 454
- Published applications
- 589
- Assignees
- 448
- Inventors
- 1,612
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 5 |
| 2003 | 1 | 4 |
| 2004 | 8 | 5 |
| 2005 | 2 | 6 |
| 2006 | 0 | 6 |
| 2007 | 1 | 6 |
| 2008 | 1 | 3 |
| 2009 | 3 | 5 |
| 2010 | 7 | 11 |
| 2011 | 5 | 16 |
| 2012 | 8 | 16 |
| 2013 | 9 | 14 |
| 2014 | 14 | 11 |
| 2015 | 10 | 15 |
| 2016 | 9 | 11 |
| 2017 | 15 | 25 |
| 2018 | 12 | 24 |
| 2019 | 18 | 21 |
| 2020 | 20 | 37 |
| 2021 | 22 | 35 |
| 2022 | 20 | 32 |
| 2023 | 32 | 61 |
| 2024 | 28 | 82 |
| 2025 | 36 | 73 |
| 2026 | 35 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing high-performance compressed desert sand concrete29 Sep 2026US 12,747,188 B2Jinan University
- Light weight ceramic aggregates made by agglomerating ceramic fibers22 Sep 2026US 12,741,908 B2Unifrax I LLC
- Method for preparing grouting reinforcement filler for mining15 Sep 2026US 12,735,355 B2Ccri (Beijing) New Material Technology Co., Ltd.
- Crystalline cellulose reinforced cement8 Sep 2026US 12,729,158 B2
- Preparation device and method for asphalt concrete containing modified acid aggregates8 Sep 2026US 12,729,160 B2Xi'an University of Technology
- Fiber material for cement/concrete reinforcement, method for producing fiber material for cement/concrete reinforcement, and fiber-reinforced cement composition8 Oct 2026US 2026/0308058 A1Toyota Jidosha Kabushiki Kaisha
- Concrete recycling8 Oct 2026US 2026/0308059 A1
- Composition and treatment method thereof for 3d pringting material8 Oct 2026US 2026/0308063 A1Nano and Advanced Materials Institute Limited
- Cementitious reagents, methods of manufacturing and uses thereof1 Oct 2026US 2026/0296966 A1Terra Co2 Technology Holdings, Inc.
- Recycled Concrete Aggregates Carbonation Treatment1 Oct 2026US 2026/0296967 A1Hawkins Construction Company
Most cited
By later US patents
- Ceramic spheroids having low density and high crush resistance139US 4,632,876 AMinnesota Mining and Manufacturing Company · 1986
- Osteogenic proteins129US 5,266,683 AStryker Corporation · 1993
- Composite graphite sheets113US 4,234,638 ANippon Carbon Co., Ltd. · 1980
- Method for the recovery of minerals and production of by-products from coal ash109US 4,652,433 AFlorida Progress Corporation · 1987
- CO2-sequestering formed building materials109US 8,006,446 B2Calera Corporation · 2011