E04F 15/20
For sound insulation
Official title: for sound insulation
E04F15/20 (For sound insulation) appears on 277 US grants and 368 published applications in this corpus.
Search patents in E04F- Granted patents
- 277
- Published applications
- 368
- Assignees
- 196
- Inventors
- 585
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 2 |
| 2002 | 2 | 7 |
| 2003 | 7 | 11 |
| 2004 | 4 | 17 |
| 2005 | 4 | 13 |
| 2006 | 3 | 14 |
| 2007 | 3 | 16 |
| 2008 | 1 | 9 |
| 2009 | 4 | 12 |
| 2010 | 3 | 18 |
| 2011 | 9 | 7 |
| 2012 | 14 | 12 |
| 2013 | 13 | 12 |
| 2014 | 13 | 19 |
| 2015 | 17 | 17 |
| 2016 | 9 | 15 |
| 2017 | 14 | 27 |
| 2018 | 14 | 15 |
| 2019 | 13 | 13 |
| 2020 | 13 | 22 |
| 2021 | 4 | 13 |
| 2022 | 16 | 26 |
| 2023 | 13 | 12 |
| 2024 | 14 | 21 |
| 2025 | 11 | 12 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Covering element for floor and a floor covering8 Sep 2026US 12,729,544 B2Unilin BV
- Building panels comprising a locking system14 Jul 2026US 12,680,315 B2Välinge Innovation AB
- Acoustic isolators16 Jun 2026US 12,655,642 B2United States Gypsum Company
- Sound dampened flooring with improved acoustic performance10 Mar 2026US 12,571,218 B2Dow Global Technologies LLC
- Support layer configured to provide acoustic and/or thermal insulation30 Dec 2025US 12,509,885 B2Blace International B.V.
- Building panels comprising a locking system8 Oct 2026US 2026/0308917 A1Välinge Innovation AB
- Acoustic insulating panel using recycled material13 Aug 2026US 2026/0233496 A1CSR Industries Inc.
- Surface Covering Product and a Method for Preparing the Same18 Jun 2026US 2026/0168263 A1Novalis Holdings Limited
- Sound-absorbing floorboard30 Apr 2026US 2026/0117531 A1Changzhou Bemate Home Technology Co., Ltd.
- Decorative panel9 Apr 2026US 2026/0098412 A1Unilin BV
Most cited
By later US patents
- Aerobic exercise floor system363US 4,819,932 A1989
- Soundproofing woody flooring138US 5,103,614 AEidai Industry Co., Ltd. · 1992
- Modular-accessible-units and method of making same131US 5,205,091 A1993
- Engineered hardwood flooring system having acoustic attenuation characteristics126US 6,182,413 B2Award Hardwood Floors, L.L.P. · 2001
- Wall panelling and floor construction (buildings)114US 5,653,099 AHeriot-Watt University · 1997