F16J 15/0818
Flat gaskets
Official title: {Flat gaskets}
F16J15/0818 (Flat gaskets) appears on 861 US grants and 782 published applications in this corpus.
Search patents in F16J- Granted patents
- 861
- Published applications
- 782
- Assignees
- 240
- Inventors
- 1,247
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 17 | 0 |
| 1993 | 25 | 0 |
| 1994 | 26 | 0 |
| 1995 | 19 | 0 |
| 1996 | 27 | 0 |
| 1997 | 25 | 0 |
| 1998 | 16 | 0 |
| 1999 | 30 | 0 |
| 2000 | 27 | 0 |
| 2001 | 28 | 18 |
| 2002 | 26 | 35 |
| 2003 | 27 | 36 |
| 2004 | 32 | 31 |
| 2005 | 22 | 49 |
| 2006 | 34 | 44 |
| 2007 | 18 | 44 |
| 2008 | 13 | 41 |
| 2009 | 8 | 33 |
| 2010 | 25 | 26 |
| 2011 | 17 | 36 |
| 2012 | 27 | 26 |
| 2013 | 20 | 27 |
| 2014 | 18 | 29 |
| 2015 | 16 | 31 |
| 2016 | 23 | 30 |
| 2017 | 23 | 29 |
| 2018 | 37 | 29 |
| 2019 | 21 | 31 |
| 2020 | 27 | 39 |
| 2021 | 30 | 30 |
| 2022 | 25 | 31 |
| 2023 | 21 | 16 |
| 2024 | 25 | 19 |
| 2025 | 14 | 11 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16J 15/0825Laminated545
- F16J 2015/085Without fold overIndexing code360
- F16J 2015/0856With a non-metallic coating or stripIndexing code296
- F16J 2015/0862With a bore ringIndexing code223
- F16J 2015/0837With an edge portion folded over a second plate or shimIndexing code174
- F16J 2015/0868Aspects not related to the edges of the gasketIndexing code149
- F16J 2015/0843With an edge portion folded over the plate itselfIndexing code106
- F16J 2015/0875Comprising weldsIndexing code68
Recent patents
- Gasket for turbine engine and turbine mount assembly29 Sep 2026US 12,747,678 B2
- Rubber-metal laminate and gasket28 Jul 2026US 12,692,942 B2Nok Corporation
- Reinforcement ring for gasket of a single-walled groove30 Jun 2026US 12,669,177 B2GM Global Technology Operations LLC
- Patient ventilation device including blower with divided air outlet channels30 Jun 2026US 12,671,009 B2ResMed Pty Ltd
- Ultra-high vacuum seal, assembly, and method of making the same26 May 2026US 12,640,358 B2Quantinuum LLC
- Gasket with electrical isolating coatings3 Sep 2026US 2026/0258867 A1GPT Industries, LLC
- Gasket13 Aug 2026US 2026/0235204 A1Nok Corporation
- Electric motor and gasket9 Jul 2026US 2026/0196902 A1Fanuc Corporation
- Reinforcement ring for gasket of a single-walled groove11 Jun 2026US 2026/0160333 A1GM Global Technology Operations LLC
- Gasket Seal Device30 Apr 2026US 2026/0117869 A1
Most cited
By later US patents
- Metallic cylinder head gasket71US 4,721,315 ANihon Metal Gasket Kabushiki Kaisha · 1988
- Metal gasket64US 5,582,415 AKokusan Parts Industry Co., Ltd. · 1996
- Metal gasket with coolant contact areas61US 5,584,490 ANippon Gasket Co., Ltd. · 1996
- Cylinder head gasket with fluid flow path60US 5,853,175 AIshikawa Gasket Co., Ltd. · 1998
- Steel laminate gasket58US 4,834,399 AIshikawa Gasket Co., Ltd. · 1989