G10K 11/168
Plural layers of different materials
Official title: Plural layers of different materials, e.g. sandwiches
G10K11/168 (Plural layers of different materials) appears on 865 US grants and 1,042 published applications in this corpus.
Search patents in G10K- Granted patents
- 865
- Published applications
- 1,042
- Assignees
- 547
- Inventors
- 2,149
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 8 |
| 2003 | 11 | 12 |
| 2004 | 15 | 24 |
| 2005 | 4 | 14 |
| 2006 | 5 | 20 |
| 2007 | 8 | 16 |
| 2008 | 6 | 12 |
| 2009 | 5 | 13 |
| 2010 | 9 | 20 |
| 2011 | 13 | 22 |
| 2012 | 15 | 18 |
| 2013 | 18 | 25 |
| 2014 | 25 | 36 |
| 2015 | 26 | 33 |
| 2016 | 33 | 54 |
| 2017 | 52 | 69 |
| 2018 | 35 | 77 |
| 2019 | 51 | 86 |
| 2020 | 47 | 104 |
| 2021 | 59 | 77 |
| 2022 | 77 | 76 |
| 2023 | 67 | 81 |
| 2024 | 81 | 54 |
| 2025 | 57 | 48 |
| 2026 | 28 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Anechoic termination for acoustic plane wave suppression8 Sep 2026US 12,731,570 B2Technische Universiteit Eindhoven
- Method for producing a multi-cell component11 Aug 2026US 12,703,128 B2Safran
- Micro loudspeaker and electronic device8 Oct 2026US 2026/0311672 A1SSI New Material (Zhenjiang) Co., Ltd.
- Thermoacoustic meta-structure1 Oct 2026US 2026/0301728 A1The Board of Regents for the Oklahoma Agricultural and Mechanical Colleges
- Laminated acoustic baffles and methods of manufacturing laminated acoustic baffles24 Sep 2026US 2026/0290298 A1The Soundcoat Company, Inc.
- Multilayer acoustic attenuator and light reflector17 Sep 2026US 2026/0276191 A1Focal Point, LLC
- Sound-absorbing acoustic panel17 Sep 2026US 2026/0279323 A1Knauf Gips KG
Most cited
By later US patents
- Electrorheological fluid composite structures85US 4,923,057 ALord Corporation · 1990
- Vibration floating washer assembly and method of attaching the same to heat insulating plate85US 6,328,513 B1Nichias Corporation · 2001
- Ultra-light, multifunctional sound-insulating kit83US 6,145,617 ARieter Automotive AG · 2000
- Devices and methods for acoustic shielding78US 8,857,438 B2Ulthera, Inc. · 2014
- Acoustical sound proofing material and methods for manufacturing same77US 7,181,891 B2Quiet Solution, Inc. · 2007