C04B 2111/70
Grouts
Official title: Grouts, e.g. injection mixtures for cables for prestressed concrete
C04B2111/70 (Grouts) appears on 224 US grants and 290 published applications in this corpus.
Search patents in C04B- Granted patents
- 224
- Published applications
- 290
- Assignees
- 157
- Inventors
- 688
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 8 |
| 2004 | 4 | 4 |
| 2005 | 4 | 16 |
| 2006 | 5 | 4 |
| 2007 | 8 | 10 |
| 2008 | 2 | 9 |
| 2009 | 4 | 9 |
| 2010 | 4 | 5 |
| 2011 | 7 | 11 |
| 2012 | 4 | 13 |
| 2013 | 8 | 13 |
| 2014 | 11 | 8 |
| 2015 | 6 | 15 |
| 2016 | 9 | 16 |
| 2017 | 4 | 14 |
| 2018 | 17 | 15 |
| 2019 | 11 | 11 |
| 2020 | 13 | 14 |
| 2021 | 6 | 11 |
| 2022 | 5 | 24 |
| 2023 | 8 | 16 |
| 2024 | 15 | 12 |
| 2025 | 17 | 16 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Uncharged clay blocking agent6 Oct 2026US 12,753,119 B2BASF SE
- Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition22 Sep 2026US 12,741,910 B2China Railway 14th Bureau Group Corporation Limited
- High compressive strength polymer grout and method of making26 May 2026US 12,637,390 B2Five Star Products, Inc.
- Evaluation method of ductility of grouted rock mass for advanced renovation of water-sand mixture inrush area26 May 2026US 12,638,434 B2China University of Mining and Technology
- Ternary hydraulic binder composition12 May 2026US 12,623,966 B2Sika Technology AG
- Hydraulic composition for ultra-high performance concrete and ultra-high performance grout8 Oct 2026US 2026/0308054 A1Sika Technology AG
- High Compressive Strength Polymer Construction Shim10 Sep 2026US 2026/0265141 A1
- Stable and Self-Leveling Bonded Seal30 Jul 2026US 2026/0217615 A1Knauf Gips KG
- Methods for the application in thick layer of cementitious comprising kinetic regulator30 Jul 2026US 2026/0217616 A1Sika Technology AG
- Magnesium phosphate-based cement grouting material, preparation method therefor and use thereof25 Jun 2026US 2026/0176206 A1Wuhan University of Technology
Most cited
By later US patents
- Grouting composition comprising slag107US 4,761,183 AGeochemical Corporation · 1988
- Formation grouting method and composition useful therefor101US 5,106,423 AGeochemical Corporation · 1992
- Methods of treating subterranean zones penetrated by well bores79US 6,767,867 B2Halliburton Energy Services.Inc. · 2004
- Aqueous dispersion of ground slag78US 4,897,119 AGeochemical Corporation · 1990
- Grout fluids for use in a geothermal well loop71US 9,845,423 B2Halliburton Energy Services.Inc. · 2017