F02B 77/13
Acoustic insulation
F02B77/13 (Acoustic insulation) appears on 362 US grants and 211 published applications in this corpus.
Search patents in F02B- Granted patents
- 362
- Published applications
- 211
- Assignees
- 198
- Inventors
- 788
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 16 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 2 |
| 2002 | 14 | 12 |
| 2003 | 13 | 11 |
| 2004 | 9 | 7 |
| 2005 | 5 | 2 |
| 2006 | 2 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 10 |
| 2009 | 3 | 4 |
| 2010 | 3 | 9 |
| 2011 | 3 | 5 |
| 2012 | 7 | 7 |
| 2013 | 4 | 9 |
| 2014 | 8 | 13 |
| 2015 | 4 | 10 |
| 2016 | 10 | 13 |
| 2017 | 9 | 9 |
| 2018 | 13 | 15 |
| 2019 | 14 | 12 |
| 2020 | 3 | 12 |
| 2021 | 5 | 9 |
| 2022 | 14 | 6 |
| 2023 | 5 | 7 |
| 2024 | 7 | 5 |
| 2025 | 5 | 9 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soundproof cover30 Jun 2026US 12,669,082 B2Sumitomo Riko Company Limited
- Engine-mounted apparatus21 Apr 2026US 12,607,138 B2Yamabiko Corporation
- Outboard motor and vessel6 Jan 2026US 12,516,624 B2Yamaha Hatsudoki Kabushiki Kaisha
- Air/exhaust system for a vehicle30 Dec 2025US 12,510,013 B2Polaris Industries Inc.
- Fully enclosing engine or unit capsule of a motor vehicle with air cushion foil9 Dec 2025US 12,492,660 B2Adler Pelzer Holding GmbH
- Perforated louvers to reduce noise leakage from a generator set enclosure27 Aug 2026US 2026/0254312 A1Cummins Power Generation Inc.
- Generator comprising a removable rear panel13 Aug 2026US 2026/0238073 A1Discovery Energy, LLC
- Sound kit for a generator13 Aug 2026US 2026/0238075 A1Discovery Energy, LLC
- Generator comprising accessible electrical components13 Aug 2026US 2026/0238085 A1Discovery Energy, LLC
- Air/exhaust system for a vehicle12 Mar 2026US 2026/0071569 A1Polaris Industries Inc.
Most cited
By later US patents
- Engine driven generator assembly122US 4,548,164 AValmet Corporation · 1985
- Enclosed engine generator set99US 5,899,174 A1999
- Marine hulls and drives97US 7,984,684 B22011
- Noise-shielding panel for engine95US 4,456,092 ANissan Motor Co., Ltd. · 1984
- Generator air flow and noise management system and method82US 5,433,175 AOnan Corporation · 1995