C04B 18/22
Rubber
Official title: Rubber {, e.g. ground waste tires}
C04B18/22 (Rubber) appears on 54 US grants and 72 published applications in this corpus.
Search patents in C04B- Granted patents
- 54
- Published applications
- 72
- Assignees
- 44
- Inventors
- 157
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 5 |
| 2018 | 5 | 6 |
| 2019 | 5 | 8 |
| 2020 | 7 | 7 |
| 2021 | 3 | 5 |
| 2022 | 3 | 5 |
| 2023 | 2 | 5 |
| 2024 | 2 | 9 |
| 2025 | 4 | 6 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cementitious composition23 Jun 2026US 12,662,423 B2Summa-Magna 1 Corporation
- System and method for modifying and enhancing tire rubber bitumen12 May 2026US 12,623,964 B2Asphalt Sciences LLC
- System and method for generating tire rubber asphalt12 May 2026US 12,624,210 B2Asphalt Sciences LLC
- Repairing wellbore cement structures and related compositions12 May 2026US 12,624,273 B2Saudi Arabian Oil Company
- Fatigue-resistant flexible road structure3 Mar 2026US 12,565,739 B2Nano and Advanced Materials Institute Limited
- Solidified body, roadbed material, and method for manufacturing solidified body6 Aug 2026US 2026/0225956 A1Jfe Steel Corporation
- High-toughness magnesium-calcium binder mortar material from multi-component high-salinity solid waste and preparation method thereof2 Apr 2026US 2026/0092011 A1Changjiang River Scientific Research Institute
- Lightweight composite cement compositions and methods of cementing wells with said compositions26 Mar 2026US 2026/0085227 A1Schlumberger Technology Corporation
- Repairing wellbore cement structures and related compositions4 Sep 2025US 2025/0277144 A1Saudi Arabian Oil Company
- Redundant tires in concrete mix and concrete products31 Jul 2025US 2025/0243113 A1
Most cited
By later US patents
- Particulate rubber included concrete compositions99US 5,456,751 AThe Trustees of the University of Pennsylvania · 1995
- Lightweight and porous construction materials containing rubber58US 6,867,249 B22005
- Cementing compositions and the use of such compositions for cementing wells50US 6,907,929 B2Schlumberger Technology Corporation · 2005
- Rubber-crumb-reinforced cement concrete49US 5,391,226 ATiremix Corporation · 1995
- Rubber crumb-reinforced cement concrete28US 5,290,356 ATiremix Corporation · 1994