F02B 77/11
Thermal or acoustic insulation
F02B77/11 (Thermal or acoustic insulation) appears on 623 US grants and 435 published applications in this corpus.
Search patents in F02B- Granted patents
- 623
- Published applications
- 435
- Assignees
- 293
- Inventors
- 1,381
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 21 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 16 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 17 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 18 | 0 |
| 1998 | 6 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 3 |
| 2002 | 18 | 18 |
| 2003 | 20 | 16 |
| 2004 | 12 | 9 |
| 2005 | 7 | 7 |
| 2006 | 6 | 8 |
| 2007 | 4 | 8 |
| 2008 | 4 | 11 |
| 2009 | 6 | 9 |
| 2010 | 4 | 12 |
| 2011 | 6 | 10 |
| 2012 | 9 | 13 |
| 2013 | 9 | 16 |
| 2014 | 15 | 21 |
| 2015 | 6 | 32 |
| 2016 | 19 | 30 |
| 2017 | 24 | 32 |
| 2018 | 28 | 44 |
| 2019 | 38 | 27 |
| 2020 | 24 | 25 |
| 2021 | 13 | 25 |
| 2022 | 26 | 13 |
| 2023 | 13 | 17 |
| 2024 | 14 | 11 |
| 2025 | 11 | 12 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Soundproof cover30 Jun 2026US 12,669,082 B2Sumitomo Riko Company Limited
- Engine-mounted apparatus21 Apr 2026US 12,607,138 B2Yamabiko Corporation
- Protective heat shield enclosure for turbocharged engines24 Mar 2026US 12,584,434 B2Brp-Rotax GmbH & Co. KG
- 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.
- 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