E04B 2001/8419
Acoustical cones or the like
Official title: {Acoustical cones or the like, e.g. for anechoic chambers}
E04B2001/8419 (Acoustical cones or the like) appears on 48 US grants and 31 published applications in this corpus.
Search patents in E04B- Granted patents
- 48
- Published applications
- 31
- Assignees
- 27
- Inventors
- 70
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 4 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Sound insulating structure15 Jul 2025US 12,359,424 B2Mitsubishi Chemical Corporation
- Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body6 May 2025US 12,291,007 B2Mitsubishi Chemical Corporation
- Sound insulation sheet member and sound insulation structure using same22 Apr 2025US 12,281,470 B2Mitsubishi Chemical Corporation
- Sound insulation sheet, manufacturing method thereof, and sound insulation structure25 Feb 2025US 12,236,929 B2Mitsubishi Chemical Corporation
- Sound insulation sheet member and sound insulation structure using same31 Dec 2024US 12,180,701 B2Mitsubishi Chemical Corporation
- Sound insulating structure2 Oct 2025US 2025/0305277 A1Mitsubishi Chemical Corporation
- Sound insulating structure2 Oct 2025US 2025/0305278 A1Mitsubishi Chemical Corporation
- Sound insulation sheet member and sound insulation structure using same17 Jul 2025US 2025/0230650 A1Mitsubishi Chemical Corporation
- Sound insulation sheet, manufacturing method thereof, and sound insulation structure22 May 2025US 2025/0166596 A1Mitsubishi Chemical Corporation
- Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body8 Feb 2024US 2024/0042742 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Method for uniform cleaning of wafers using megasonic energy36US 5,427,622 AInternational Business Machines Corporation · 1995
- Acoustical room paneling and method of installation35US 5,923,002 AOwens Corning Fiberglas Technology, Inc. · 1999
- Embodiments of aperiodic tiling of a single asymmetric diffusive base shape35US 6,772,859 B2RPG Diffusor Systems, Inc. · 2004
- Two dimensional sound diffusor32US 5,160,816 ASystems Development Group · 1992
- Apparatus for uniform cleaning of wafers using megasonic energy27US 5,533,540 AInernational Business Machines Corporation · 1996