E04B 1/8404
Block-shaped
Official title: {block-shaped}
E04B1/8404 (Block-shaped) appears on 50 US grants and 47 published applications in this corpus.
Search patents in E04B- Granted patents
- 50
- Published applications
- 47
- Assignees
- 33
- Inventors
- 109
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 4 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 10 |
| 2020 | 8 | 4 |
| 2021 | 6 | 4 |
| 2022 | 2 | 3 |
| 2023 | 7 | 6 |
| 2024 | 4 | 2 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and system for acoustic curved ceiling baffle and methods of manufacturing thereof17 Jun 2025US 12,331,511 B2
- Molded body, sound absorbing material, vibration absorbing material18 Feb 2025US 12,227,938 B2Tosoh Corporation
- Ceiling baffle attachment structure and ceiling system24 Dec 2024US 12,173,502 B2CertainTeed Ceilings Corporation
- Material set and method of installing the same15 Oct 2024US 12,116,777 B2Takeshin Package Co., Ltd.
- Acoustic baffle to be arranged in a building25 Jun 2024US 12,018,483 B2Knauf Gips KG
- Dual channel acoustic baffle coupler and related methods of use13 Nov 2025US 2025/0347106 A1
- Process for assembling sound-absorbing panels and sound-absorbing panel23 Oct 2025US 2025/0329319 A1Impact Acoustic AG
- Apparatus and system for acoustic curved ceiling baffle and methods of manufacturing thereof2 Oct 2025US 2025/0305280 A1Turf Design, Inc.
- Construction management services, emergency stages and shelters26 Dec 2024US 2024/0426098 A1CRC Innovation LLC
- Acoustic attenuation device provided with inserts made of acoustically absorbent material20 Jun 2024US 2024/0200327 A1Ecole Nationale Des Travaux Publics De L'etat (Entpe)
Most cited
By later US patents
- Multi layer sound-proofing structure32US 4,094,380 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1978
- Acoustic barrier support structure30US 8,869,933 B1The Boeing Company · 2014
- Sound absorptive structural block with sequenced cavities17US 4,562,901 A1986
- Cinder block modular diffusor17US 5,027,920 ARPG Diffusor Systems, Inc. · 1991
- Cinder block modular diffusor16US 4,964,486 ARPG Diffusor Systems, Inc. · 1990