F16J 15/006
With division of the pressure
Official title: {with division of the pressure (F16J15/44 takes precedence)}
F16J15/006 (With division of the pressure) appears on 106 US grants and 90 published applications in this corpus.
Search patents in F16J- Granted patents
- 106
- Published applications
- 90
- Assignees
- 93
- Inventors
- 214
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 2 | 8 |
| 2011 | 1 | 2 |
| 2012 | 2 | 3 |
| 2013 | 3 | 4 |
| 2014 | 4 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 5 |
| 2018 | 4 | 6 |
| 2019 | 5 | 5 |
| 2020 | 2 | 4 |
| 2021 | 4 | 4 |
| 2022 | 1 | 7 |
| 2023 | 8 | 3 |
| 2024 | 6 | 8 |
| 2025 | 6 | 5 |
| 2026 | 3 | 2 |
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
- Piston for a compressor, compressor, and method and removal tool for disassembling a piston2 Jun 2026US 12,644,447 B2Burckhardt Compression AG
- Compressor, disc body and seal10 Feb 2026US 12,546,302 B2Neuman & Esser GmbH & Co. KG
- Packing case with degradation monitoring30 Sep 2025US 12,429,048 B2Dover Pumps & Process Solutions Segment, Inc.
- Sealing system for flywheel in a vacuum3 Jun 2025US 12,320,336 B2Punch Flybrid Limited
- Compressor dry gas seal emissions10 Sep 2026US 2026/0266306 A1AES Engineering Ltd.
- Seal gas emissions from dry gas seals10 Sep 2026US 2026/0266371 A1AES Engineering Ltd.
- Packing case with degradation monitoring18 Dec 2025US 2025/0382959 A1Dover Pumps & Process Solutions Segment, Inc.
- Pressure breaker with composite ring25 Sep 2025US 2025/0297681 A1Dover Pumps & Process Solutions Segment, Inc.
- Lip seals and related methods5 Jun 2025US 2025/0180121 A1Bal Seal Engineering, Inc.
Most cited
By later US patents
- Brush seal107US 4,756,536 AROLLS-ROYCE plc · 1988
- High pressure rotary shaft sealing mechanism77US 6,227,547 B1Kalsi Engineering, Inc. · 2001
- Envelope apparatus for localized vacuum processing54US 4,584,479 AVarian Associates, Inc. · 1986
- High pressure upstream pumping seal combination42US 4,290,611 ACrane Packing Limited · 1981
- Dual seal pump36US 5,174,250 ACaterpillar Inc. · 1992