F16J 15/121
With metal reinforcement
Official title: {with metal reinforcement}
F16J15/121 (With metal reinforcement) appears on 889 US grants and 662 published applications in this corpus.
Search patents in F16J- Granted patents
- 889
- Published applications
- 662
- Assignees
- 419
- Inventors
- 1,598
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 13 | 0 |
| 1983 | 12 | 0 |
| 1984 | 16 | 0 |
| 1985 | 22 | 0 |
| 1986 | 16 | 0 |
| 1987 | 18 | 0 |
| 1988 | 14 | 0 |
| 1989 | 21 | 0 |
| 1990 | 11 | 0 |
| 1991 | 16 | 0 |
| 1992 | 22 | 0 |
| 1993 | 13 | 0 |
| 1994 | 20 | 0 |
| 1995 | 21 | 0 |
| 1996 | 26 | 0 |
| 1997 | 28 | 0 |
| 1998 | 12 | 0 |
| 1999 | 26 | 0 |
| 2000 | 18 | 0 |
| 2001 | 15 | 8 |
| 2002 | 19 | 22 |
| 2003 | 24 | 27 |
| 2004 | 24 | 34 |
| 2005 | 21 | 31 |
| 2006 | 16 | 29 |
| 2007 | 15 | 30 |
| 2008 | 11 | 21 |
| 2009 | 2 | 20 |
| 2010 | 21 | 32 |
| 2011 | 19 | 24 |
| 2012 | 12 | 23 |
| 2013 | 14 | 18 |
| 2014 | 14 | 24 |
| 2015 | 17 | 30 |
| 2016 | 18 | 39 |
| 2017 | 26 | 28 |
| 2018 | 25 | 34 |
| 2019 | 31 | 36 |
| 2020 | 35 | 24 |
| 2021 | 27 | 34 |
| 2022 | 21 | 30 |
| 2023 | 25 | 19 |
| 2024 | 27 | 16 |
| 2025 | 18 | 18 |
| 2026 | 14 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealing assembly with repositionable seal11 Aug 2026US 12,704,119 B2Gd Energy Products, LLC
- Lithographic apparatus, illumination system, and connection sealing device with protective shield16 Jun 2026US 12,656,694 B2ASML Netherlands B. V.
- Sealing apparatus9 Jun 2026US 12,649,848 B2Nok Corporation
- Insulation gasket with RTJ seal for RTJ flanges in high-pressure piping26 May 2026US 12,638,112 B2Delmon Industrial and Mechanical Insulation Factory Co.
- Sealing device and sealing structure19 May 2026US 12,631,254 B2Nok Corporation
- Radial sealing cap1 Oct 2026US 2026/0298342 A1Trelleborg Sealing Solutions Kalmar AB
- Gasket and sealing structure10 Sep 2026US 2026/0266375 A1Nok Corporation
- Gasket with electrical isolating coatings3 Sep 2026US 2026/0258867 A1GPT Industries, LLC
- Metal end cap seal20 Aug 2026US 2026/0243348 A1Schlumberger Technology Corporation
- Sealing device23 Jul 2026US 2026/0210438 A1Nok Corporation
Most cited
By later US patents
- Radially mounted spring to connect, lock and unlock, and for snap-on fastening, and for mechanical, electromagnetic shielding, electrical conductivity, and thermal dissipation with environmental sealing114US 5,545,842 ABal Seal Engineering, Inc. · 1996
- Composite graphite sheets113US 4,234,638 ANippon Carbon Co., Ltd. · 1980
- Spring-loaded, hollow, elliptical ring seal113US 5,161,806 A1992
- Spring mechanism to connect, lock and unlock, members110US 5,411,348 ABal Seal Engineering, Inc. · 1995
- Sealed joint and gasket therefor81US 3,930,656 AParker-Hannifin Corporation · 1976