E04F 15/12
Flooring or floor layers made of masses in situ
Official title: Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo {gypsum floors}(inorganic or bituminous masses C04B; organic plastic masses C08L)
E04F15/12 (Flooring or floor layers made of masses in situ) appears on 316 US grants and 301 published applications in this corpus.
Search patents in E04F- Granted patents
- 316
- Published applications
- 301
- Assignees
- 185
- Inventors
- 518
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 15 |
| 2003 | 8 | 13 |
| 2004 | 12 | 14 |
| 2005 | 7 | 13 |
| 2006 | 4 | 10 |
| 2007 | 3 | 13 |
| 2008 | 5 | 13 |
| 2009 | 5 | 7 |
| 2010 | 7 | 8 |
| 2011 | 5 | 6 |
| 2012 | 7 | 15 |
| 2013 | 4 | 11 |
| 2014 | 9 | 13 |
| 2015 | 7 | 13 |
| 2016 | 7 | 14 |
| 2017 | 14 | 18 |
| 2018 | 8 | 11 |
| 2019 | 12 | 16 |
| 2020 | 21 | 26 |
| 2021 | 11 | 14 |
| 2022 | 8 | 11 |
| 2023 | 12 | 11 |
| 2024 | 8 | 5 |
| 2025 | 9 | 7 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inorganic aggregate polyurethane (PU) terrazzo flooring, and preparation method and use thereof25 Aug 2026US 12,716,245 B2Shanghai Yanhuang Environmental Technology Co., Ltd.
- Magnetic floor surface23 Sep 2025US 12,421,400 B2IOBAC Limited
- Armoured joint—anti-skew stake bracket26 Aug 2025US 12,398,571 B2Illinois Tool Works Inc.
- Embedded concrete marking15 Jul 2025US 12,359,447 B2
- Architectural concrete and method of forming the same15 Jul 2025US 12,359,448 B2Shaw & Sons, Inc.
- Venetian-style flooring made of thin and lightweight slabs, and the corresponding construction method10 Sep 2026US 2026/0266064 A1Feltracco Fratelli Srl
- Method of assembling a floor construction13 Aug 2026US 2026/0234058 A1Sika Technology AG
- Synthetic floor with wood look, and related apparatus22 Jan 2026US 2026/0022571 A1Robbins Sports Surfaces, LLC
- Illuminated floor and method for producing an illuminated floor10 Jul 2025US 2025/0224109 A1
- Coating system having high surface roughness26 Jun 2025US 2025/0206981 A1Sika Technology AG
Most cited
By later US patents
- Fluorochemical sulfonamide surfactants130US 6,664,354 B23M Innovative Properties Company · 2003
- Protective coating system95US 4,349,398 A1982
- Transition profile intended to be arranged between or in connection to floor sections84US 6,745,534 B2Pergo (Europe) AB · 2004
- Swimming pool drain76US 4,815,888 A1989
- Foam backed joint seal system72US 6,491,468 B1Sealex, Inc. · 2002