C04B 2111/72
Repairing or restoring existing buildings or building materials
C04B2111/72 (Repairing or restoring existing buildings or building materials) appears on 286 US grants and 311 published applications in this corpus.
Search patents in C04B- Granted patents
- 286
- Published applications
- 311
- Assignees
- 212
- Inventors
- 845
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 4 |
| 2002 | 5 | 3 |
| 2003 | 4 | 3 |
| 2004 | 4 | 8 |
| 2005 | 3 | 3 |
| 2006 | 5 | 12 |
| 2007 | 2 | 8 |
| 2008 | 3 | 18 |
| 2009 | 2 | 9 |
| 2010 | 7 | 8 |
| 2011 | 7 | 9 |
| 2012 | 9 | 11 |
| 2013 | 9 | 13 |
| 2014 | 7 | 10 |
| 2015 | 6 | 16 |
| 2016 | 15 | 8 |
| 2017 | 15 | 16 |
| 2018 | 7 | 15 |
| 2019 | 11 | 16 |
| 2020 | 15 | 15 |
| 2021 | 9 | 23 |
| 2022 | 9 | 21 |
| 2023 | 14 | 22 |
| 2024 | 19 | 11 |
| 2025 | 9 | 18 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Uncharged clay blocking agent6 Oct 2026US 12,753,119 B2BASF SE
- Chemical analogs of carbonic anhydrase for concrete repair15 Sep 2026US 12,735,356 B2Worcester Polytechnic Institute
- Method for accelerating and fluidifying wet concretes or mortars compositions comprising an activating agent, a water reducing polymer, consisting in using performance additive including chaotropic ions and its use in low carbon alternative binder compositions25 Aug 2026US 12,715,814 B2Centre National de la Recherche Scientifique (CNRS)
- Pavement repair compositions, kits, and methods18 Aug 2026US 12,709,574 B2
- Cementitious binders for geopolymer, geopolymers, and uses thereof4 Aug 2026US 12,698,236 B2Sika Technology AG
- High Tensile Strength Cementitious Matrix For Use In FRCM Systems17 Sep 2026US 2026/0274749 A1Universite Laval
- Surface crack filler compound30 Jul 2026US 2026/0217606 A1Logical Resource, Inc.
- Methods for the application in thick layer of cementitious comprising kinetic regulator30 Jul 2026US 2026/0217616 A1Sika Technology AG
- Building material or binder and process for its preparation and use of a fibre and a shale additive as a component of a building material or binder16 Jul 2026US 2026/0200795 A1
- Environmental barrier coating and method of repairing the same9 Jul 2026US 2026/0192329 A1Rtx Corporation
Most cited
By later US patents
- Repair of microannuli and cement sheath202US 5,127,473 AHalliburton Services · 1992
- Self-repairing, reinforced matrix materials85US 6,527,849 B22003
- Hardened hydraulic cement, ceramic or coarse concrete aggregate treated with high pressure fluids78US 5,965,201 AMaterials Technology Corporation · 1999
- Low temperature, low rheology synthetic cement64US 5,547,027 ADowell, a division of Schlumberger Technology Corporation · 1996
- Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof62US 6,783,799 B12004