Y02W 30/91
Use of waste materials as fillers for mortars or concrete
Y02W30/91 (Use of waste materials as fillers for mortars or concrete) appears on 4,768 US grants and 4,791 published applications in this corpus.
Search patents in Y02W- Granted patents
- 4,768
- Published applications
- 4,791
- Assignees
- 2,432
- Inventors
- 9,776
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 35 | 0 |
| 1978 | 43 | 0 |
| 1979 | 20 | 0 |
| 1980 | 39 | 0 |
| 1981 | 42 | 0 |
| 1982 | 41 | 0 |
| 1983 | 41 | 0 |
| 1984 | 39 | 0 |
| 1985 | 39 | 0 |
| 1986 | 28 | 0 |
| 1987 | 42 | 0 |
| 1988 | 45 | 0 |
| 1989 | 48 | 0 |
| 1990 | 50 | 0 |
| 1991 | 46 | 0 |
| 1992 | 63 | 0 |
| 1993 | 62 | 0 |
| 1994 | 108 | 0 |
| 1995 | 71 | 0 |
| 1996 | 96 | 0 |
| 1997 | 70 | 0 |
| 1998 | 101 | 0 |
| 1999 | 76 | 0 |
| 2000 | 56 | 0 |
| 2001 | 78 | 18 |
| 2002 | 80 | 90 |
| 2003 | 80 | 132 |
| 2004 | 92 | 143 |
| 2005 | 80 | 148 |
| 2006 | 65 | 151 |
| 2007 | 69 | 158 |
| 2008 | 91 | 181 |
| 2009 | 72 | 197 |
| 2010 | 141 | 188 |
| 2011 | 136 | 172 |
| 2012 | 157 | 221 |
| 2013 | 159 | 195 |
| 2014 | 137 | 204 |
| 2015 | 152 | 215 |
| 2016 | 146 | 205 |
| 2017 | 139 | 226 |
| 2018 | 163 | 254 |
| 2019 | 184 | 244 |
| 2020 | 207 | 259 |
| 2021 | 169 | 248 |
| 2022 | 177 | 227 |
| 2023 | 243 | 316 |
| 2024 | 180 | 202 |
| 2025 | 168 | 118 |
| 2026 | 70 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dry cementitious material mixture for 3D-printing25 Aug 2026US 12,715,813 B2Holcim Technology Ltd
- 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)
- Methods for the retrieval of aggregate from waste construction material by grinding18 Aug 2026US 12,708,908 B2Sika Technology AG
- Hydraulic binder with low carbon footprint and high early strength18 Aug 2026US 12,709,575 B2ImerTech SAS
- Process for producing autoclaved aerated concrete using silica raw materials having higher solubility than quartz18 Aug 2026US 12,709,576 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Biocementation mixture for dust control and related applications10 Sep 2026US 2026/0265130 A1Bind-X International GmbH
- Class a wood-based fireproof board and its preparation method27 Aug 2026US 2026/0249513 A1Guizhou Jingmu Building Materials Co., Ltd.
- Method of upgrading industrial furnace by-product27 Aug 2026US 2026/0250196 A1Magsort Oy
- Process for improving crack resistance of recycled aggregate concrete27 Aug 2026US 2026/0250197 A1Wuhan University
- High-voltage depletion-mode current source, transistor, and fabrication methods20 Aug 2026US 2026/0242281 A1Texas Instruments Incorporated
Most cited
By later US patents
- Compositions and methods for cementing using elastic particles353US 6,508,305 B1BJ Services Company · 2003
- High temperature wellbore cement slurry319US 5,226,961 AShell Oil Company · 1993
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Light weight high temperature well cement compositions and methods273US 6,488,763 B2Halliburton Energy Services.Inc. · 2002
- Universal fluids for drilling and cementing wells220US 5,464,060 AShell Oil Company · 1995