F16J 15/183
Using a lantern ring
Official title: {using a lantern ring}
F16J15/183 (Using a lantern ring) appears on 80 US grants and 65 published applications in this corpus.
Search patents in F16J- Granted patents
- 80
- Published applications
- 65
- Assignees
- 47
- Inventors
- 125
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 3 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 3 |
| 2022 | 3 | 10 |
| 2023 | 8 | 6 |
| 2024 | 9 | 5 |
| 2025 | 7 | 7 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packing system of a valve assembly25 Aug 2026US 12,716,521 B2Fisher Controls International LLC
- Solid plate and stuffing box comprising the solid plate7 Apr 2026US 12,595,848 B2Haarslev Industries A/S
- Kit for bearing extraction from a stuffing box of a rotary mechanical device31 Mar 2026US 12,590,636 B2Seal-Ryt Corp.
- Rotating pump shaft barrier seal30 Sep 2025US 12,429,137 B2Viking Pump, Inc.
- Bearing extraction from a stuffing box of a rotary mechanical device5 Aug 2025US 12,379,030 B2Seal-Ryt Corp.
- Wiper ring for reciprocating compressor rod packing28 May 2026US 2026/0146594 A1Compressor Products International LLC (Cpi)
- Systems, assemblies, apparatuses, and methods providing enhanced seal between machine components14 May 2026US 2026/0132850 A1Vulcan Industrial Holdings, LLC
- Pressure balanced self-regulating mechanical packing sealing assembly30 Apr 2026US 2026/0117872 A1A. W. Chesterton Company
- Systems, assemblies, apparatuses, and methods providing enhanced fluid seal for high-power pumps19 Mar 2026US 2026/0078754 A1Vulcan Industrial Holdings, LLC
- Shaft Seal Assembly12 Mar 2026US 2026/0071678 A1Inpro/Seal LLC
Most cited
By later US patents
- Packing cartridges and pressure-dampening elements for plunger-type pumps108US 8,100,407 B22012
- Seal81US 4,451,047 ASmith International, Inc. · 1984
- Valve stem packing containment for high pressure, high temperature72US 4,886,241 AFisher Controls International LLC · 1989
- Stuffing box sealing arrangement46US 4,765,631 AKrupp-Koppers GmbH · 1988
- Lubricated pump packing assembly43US 5,135,238 AHalliburton Company · 1992