C04B 2111/27
Water resistance, i.e. waterproof or water-repellent materials
C04B2111/27 (Water resistance, i.e. waterproof or water-repellent materials) appears on 420 US grants and 486 published applications in this corpus.
Search patents in C04B- Granted patents
- 420
- Published applications
- 486
- Assignees
- 338
- Inventors
- 1,327
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 6 |
| 2002 | 15 | 11 |
| 2003 | 5 | 8 |
| 2004 | 9 | 11 |
| 2005 | 3 | 5 |
| 2006 | 4 | 13 |
| 2007 | 3 | 11 |
| 2008 | 6 | 13 |
| 2009 | 7 | 21 |
| 2010 | 10 | 14 |
| 2011 | 10 | 12 |
| 2012 | 10 | 23 |
| 2013 | 9 | 20 |
| 2014 | 16 | 15 |
| 2015 | 15 | 22 |
| 2016 | 13 | 13 |
| 2017 | 11 | 25 |
| 2018 | 14 | 16 |
| 2019 | 21 | 38 |
| 2020 | 20 | 31 |
| 2021 | 10 | 30 |
| 2022 | 25 | 20 |
| 2023 | 18 | 32 |
| 2024 | 24 | 26 |
| 2025 | 11 | 34 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air and water barrier building panels15 Sep 2026US 12,734,724 B2Gold Bond Building Products, LLC
- Hydrophobic admixture and processes for making same1 Sep 2026US 12,723,007 B2Drymax Global LLC
- Hydrophobic concrete and asphalt18 Aug 2026US 12,709,572 B2Nant Holdings IP, LLC
- Heat and fire resistant geopolymer materials21 Jul 2026US 12,686,637 B2
- Method for forming polymer modified asphalt23 Jun 2026US 12,662,431 B2Imam Abdulrahman Bin Faisal University
- Polymer, composition and their use27 Aug 2026US 2026/0250444 A1Maflon S.P.A.
- Char-based block pavers and brick veneers and methods of making same30 Jul 2026US 2026/0217605 A1
- Stable and Self-Leveling Bonded Seal30 Jul 2026US 2026/0217615 A1Knauf Gips KG
- Composition comprising an aqueous polymer dispersion and a hydraulic binder23 Jul 2026US 2026/0209118 A1Arkema France
- 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
- Destructable fluorinated alkoxysilane surfactants and repellent coatings derived therefrom151US 5,274,159 AMinnesota Mining and Manufacturing Company · 1993
- Articles of manufacture fashioned from hydraulically settable sheets125US 5,665,439 AE. Khashoggi Industries · 1997
- High performance non-combustible gypsum-cement compositions with enhanced water durability and thermal stability for reinforced cementitious lightweight structural cement panels109US 8,038,790 B1United States Gypsum Company · 2011
- Methods for manufacturing articles of manufacture from hydraulically settable sheets95US 5,580,409 AE. Khashoggi Industries · 1996
- Water-resistant gypsum products82US 3,935,021 AGeorgia-Pacific Corporation · 1976