C04B 41/61
Coating or impregnation
C04B41/61 (Coating or impregnation) appears on 879 US grants and 718 published applications in this corpus.
Search patents in C04B- Granted patents
- 879
- Published applications
- 718
- Assignees
- 532
- Inventors
- 2,051
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 19 | 0 |
| 1979 | 8 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 14 | 0 |
| 1991 | 17 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 16 | 0 |
| 1995 | 20 | 0 |
| 1996 | 26 | 0 |
| 1997 | 40 | 0 |
| 1998 | 44 | 0 |
| 1999 | 27 | 0 |
| 2000 | 22 | 0 |
| 2001 | 30 | 2 |
| 2002 | 21 | 28 |
| 2003 | 20 | 31 |
| 2004 | 17 | 27 |
| 2005 | 11 | 17 |
| 2006 | 12 | 24 |
| 2007 | 11 | 25 |
| 2008 | 9 | 24 |
| 2009 | 15 | 33 |
| 2010 | 18 | 28 |
| 2011 | 23 | 27 |
| 2012 | 17 | 25 |
| 2013 | 15 | 25 |
| 2014 | 13 | 27 |
| 2015 | 26 | 26 |
| 2016 | 24 | 25 |
| 2017 | 23 | 25 |
| 2018 | 11 | 23 |
| 2019 | 21 | 36 |
| 2020 | 33 | 28 |
| 2021 | 12 | 39 |
| 2022 | 17 | 36 |
| 2023 | 22 | 28 |
| 2024 | 27 | 45 |
| 2025 | 34 | 40 |
| 2026 | 9 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for forming polymer modified asphalt23 Jun 2026US 12,662,431 B2Imam Abdulrahman Bin Faisal University
- Methods of producing construction elements, construction elements produced thereby, and structures produced therefrom2 Jun 2026US 12,643,832 B2Purdue Research Foundation
- Asphalt containing recycled waste plastic5 May 2026US 12,617,731 B2Imam Abdulrahman Bin Faisal University
- Concrete protection material, and preparation method and construction method therefor5 May 2026US 12,617,732 B2Anhui Engineering Material Technology Co, Ltd of Ctce Group
- Method for producing a decorative mineral composite body14 Apr 2026US 12,600,684 B2Leonhard Kurz Stiftung & Co. KG
- Method for manufacturing a decorative element comprising an engineered stone and a decorative element and a decorative element comprising and engineered stone1 Oct 2026US 2026/0296984 A1Dal-Tile, LLC
- Smart hybrid sealants for concrete cracks and joints, methods of making, and methods of use24 Sep 2026US 2026/0286622 A1
- Method And Production System For The Manufacture Of Artificial Aglomerate Material Slabs17 Sep 2026US 2026/0274764 A1Cosentino Research & Development, S.L.
- Treatment of contaminated concrete13 Aug 2026US 2026/0234071 A1Ki Strategies Pty Ltd
- Method for manufacturing a decorative element comprising an engineered stone and a decorative element comprising an engineered stone23 Jul 2026US 2026/0209130 A1Dal-Tile, LLC
Most cited
By later US patents
- Fast-setting latex coatings and formulations1,019US 6,251,485 B1The Dow Chemical Company · 2001
- Method of overlaying sulphur concrete on horizontal and vertical surfaces201US 4,518,548 ASulcon, Inc. · 1985
- Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it194US 6,342,284 B12002
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996