C04B 2111/52
Sound-insulating materials
C04B2111/52 (Sound-insulating materials) appears on 241 US grants and 280 published applications in this corpus.
Search patents in C04B- Granted patents
- 241
- Published applications
- 280
- Assignees
- 171
- Inventors
- 695
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 6 |
| 2003 | 8 | 7 |
| 2004 | 4 | 5 |
| 2005 | 6 | 8 |
| 2006 | 2 | 6 |
| 2007 | 3 | 5 |
| 2008 | 4 | 12 |
| 2009 | 2 | 13 |
| 2010 | 7 | 10 |
| 2011 | 12 | 18 |
| 2012 | 11 | 8 |
| 2013 | 7 | 10 |
| 2014 | 5 | 7 |
| 2015 | 7 | 9 |
| 2016 | 8 | 8 |
| 2017 | 3 | 14 |
| 2018 | 6 | 22 |
| 2019 | 11 | 16 |
| 2020 | 14 | 16 |
| 2021 | 12 | 14 |
| 2022 | 9 | 16 |
| 2023 | 9 | 15 |
| 2024 | 12 | 19 |
| 2025 | 11 | 11 |
| 2026 | 10 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sound-absorbing material block, method for preparing thereof, and electronic device29 Sep 2026US 12,747,189 B2AAG Technologies (Nanjing) Co., Ltd.
- Asymmetrical laminate panel and method of manufacture2 Jun 2026US 12,643,307 B2CertainTeed Gypsum, Inc.
- Building materials and components and methods of making the same2 Jun 2026US 12,643,824 B2
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof12 May 2026US 12,627,920 B2SSI New Material (Zhenjiang) Co., Ltd.
- Mineral fiber product28 Apr 2026US 12,612,782 B2Rockwool A/S
- Recycled Drywall Products and Systems8 Oct 2026US 2026/0308057 A1Qualico Developments West Ltd.
- Smart construction materials for ambient modification of built environments8 Oct 2026US 2026/0308064 A1Texas State University
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Process for the production of an ultra-light mineral foam16 Jul 2026US 2026/0200796 A1Amrize Technology Switzerland LLC
- Coating with enhanced acoustical performance and the method thereof4 Jun 2026US 2026/0152652 A1USG Interiors, Inc.
Most cited
By later US patents
- Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it194US 6,342,284 B12002
- Aerogel composites, process for producing the same and their use110US 5,789,075 AHoechst Aktiengesellschaft · 1998
- Gypsum-containing composition having enhanced resistance to permanent deformation98US 6,815,049 B2United States Gypsum Company · 2004
- Durable porous article of manufacture and a process to create same79US 6,443,258 B1AWI Licensing LLC · 2002
- Composite structure with foamed cementitious layer78US 6,613,424 B1AWI Licensing LLC · 2003