F16J 15/346
The pressing force varying during operation
Official title: {the pressing force varying during operation}
F16J15/346 (The pressing force varying during operation) appears on 60 US grants and 50 published applications in this corpus.
Search patents in F16J- Granted patents
- 60
- Published applications
- 50
- Assignees
- 50
- Inventors
- 117
- Latest grant
- 24 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 2 |
| 2014 | 0 | 3 |
| 2015 | 4 | 3 |
| 2016 | 5 | 6 |
| 2017 | 5 | 1 |
| 2018 | 4 | 3 |
| 2019 | 1 | 4 |
| 2020 | 3 | 5 |
| 2021 | 2 | 2 |
| 2022 | 4 | 3 |
| 2023 | 3 | 3 |
| 2024 | 5 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile power tool having an aqueous lubricant, and use of the mobile power tool24 Dec 2024US 12,172,291 B2Hilti Aktiengesellschaft
- Hybrid shaft seal assembly for movable shafts17 Dec 2024US 12,169,023 B2Parker-Hannifin Corporation
- Seal assembly with seal unit29 Oct 2024US 12,129,926 B2Trelleborg Sealing Solutions Germany GmbH
- Self-optimizing seal for turbomachinery, and associated systems and methods1 Oct 2024US 12,104,699 B2Blue Origin, LLC
- Dry gas seal including oil repellant surface16 Jan 2024US 11,873,830 B2John Crane UK Limited
- Self-optimizing seal for turbomachinery, and associated systems and methods19 Mar 2026US 2026/0078826 A1Blue Origin, LLC
- Containment or separation seal having primary ring with micro-drilled holes formed therein6 Feb 2025US 2025/0047162 A1John Crane UK Limited
- Hybrid shaft seal assembly for movable shafts4 Jan 2024US 2024/0003423 A1Parker-Hannifin Corporation
- Mobile power tool having an aqueous lubricant, and use of the mobile power tool30 Nov 2023US 2023/0381943 A1Hilti Aktiengesellschaft
- Self-optimizing seal for turbomachinery, and associated systems and methods12 Oct 2023US 2023/0323783 A1Blue Origin, LLC
Most cited
By later US patents
- Shaft seal with positively magnetically controlled sealing gap45US 4,447,063 AM. A. N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft · 1984
- Adaptive control system for mechanical seal assembly39US 4,691,276 ABorg-Warner Industrial Products, Inc. · 1987
- Radial flow seals for rotating shafts which deliberately induce turbulent flow along the seal gap29US 6,145,840 AStein Seal Company · 2000
- Non-contacting gas compressor seal29US 6,655,693 B2John Crane Inc. · 2003
- Slide ring sealing assembly with bellows and fluid pressure control of sealing pressure22US 4,688,806 ASafematic Oy · 1987