F16J 15/004
Forming of recuperation chamber for the leaking fluid
Official title: {forming of recuperation chamber for the leaking fluid}
F16J15/004 (Forming of recuperation chamber for the leaking fluid) appears on 240 US grants and 136 published applications in this corpus.
Search patents in F16J- Granted patents
- 240
- Published applications
- 136
- Assignees
- 202
- Inventors
- 456
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 5 |
| 2003 | 5 | 4 |
| 2004 | 5 | 5 |
| 2005 | 3 | 4 |
| 2006 | 5 | 3 |
| 2007 | 2 | 5 |
| 2008 | 1 | 4 |
| 2009 | 1 | 1 |
| 2010 | 3 | 11 |
| 2011 | 4 | 2 |
| 2012 | 2 | 3 |
| 2013 | 4 | 5 |
| 2014 | 1 | 4 |
| 2015 | 7 | 4 |
| 2016 | 3 | 4 |
| 2017 | 4 | 7 |
| 2018 | 9 | 6 |
| 2019 | 5 | 12 |
| 2020 | 7 | 8 |
| 2021 | 8 | 4 |
| 2022 | 6 | 7 |
| 2023 | 5 | 4 |
| 2024 | 7 | 13 |
| 2025 | 5 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-layer and multi-ringed seals for preventing permeation and leak-by of fluid15 Sep 2026US 12,736,132 B2Lam Research Corporation
- Sealing system for components of a gas analyzer15 Sep 2026US 12,736,134 B2Inficon GmbH
- Sealing arrangement with grounding element16 Jun 2026US 12,655,907 B2Carl Freudenberg KG
- Cryogenic pump14 Apr 2026US 12,601,336 B2Chart Energy & Chemicals, Inc.
- Pressure regulating valve with piston17 Feb 2026US 12,553,530 B2
- Leak containment and support housing system8 Oct 2026US 2026/0311899 A1
- Molded Piston Seal With Anti-Leak Deported Split Line3 Sep 2026US 2026/0258864 A1Becton, Dickinson and Company
- Cryogenic pump30 Jul 2026US 2026/0218692 A1Chart Energy & Chemicals, Inc.
- Pressure regulating valve with piston4 Jun 2026US 2026/0153161 A1Maruyama Mfg.Co., Inc.
- Annular shaft seal with leakage detector5 Feb 2026US 2026/0036206 A1
Most cited
By later US patents
- Rod seal cartridge for progressing cavity artificial lift pumps106US 5,823,541 AKalsi Engineering, Inc. · 1998
- Pump for soil fumigant89US 4,141,676 AJohn Blue Company Division of Subscription Television, Inc. · 1979
- Tandem seal arrangement for mechanical face seals62US 5,529,315 AJohn Crane Inc. · 1996
- Oil weepage return for carbon seal plates61US 4,406,459 AUnited Technologies Corporation · 1983
- Sealing system for a turboexpander compressor56US 4,477,223 ATexas Turbine, Inc. · 1984