F16J 15/187
Self-aligning stuffing-boxes
Official title: {Self-aligning stuffing-boxes}
F16J15/187 (Self-aligning stuffing-boxes) appears on 47 US grants and 46 published applications in this corpus.
Search patents in F16J- Granted patents
- 47
- Published applications
- 46
- Assignees
- 36
- Inventors
- 85
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 3 |
| 2014 | 3 | 2 |
| 2015 | 3 | 7 |
| 2016 | 1 | 3 |
| 2017 | 2 | 0 |
| 2018 | 3 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tool for alignment of seal segments24 Jun 2025US 12,338,745 B2Siemens Energy Global GmbH & Co. KG
- Shaft seal assembly10 Dec 2024US 12,163,590 B2Inpro/Seal LLC
- Tool for alignment of seal segments10 Sep 2024US 12,084,984 B2Siemens Energy Global GmbH & Co. KG
- Shaft seal assembly4 Jun 2024US 12,000,484 B2Inpro/Seal LLC
- Shaft seal assembly3 Jan 2023US 11,543,031 B2Inpro/Seal LLC
- Shaft Seal Assembly3 Sep 2026US 2026/0258869 A1Inpro/Seal LLC
- Shaft Seal Assembly13 Feb 2025US 2025/0052324 A1Inpro/Seal LLC
- Tool for alignment of seal segments21 Nov 2024US 2024/0384669 A1Siemens Energy Global GmbH & Co. KG
- Shaft Seal Assembly24 Oct 2024US 2024/0353006 A1Inpro/Seal LLC
- Tool for alignment of seal segments2 Nov 2023US 2023/0349304 A1Siemens Energy Global GmbH & Co. KG
Most cited
By later US patents
- Self aligning stuffing box for pumpjack units64US 5,636,688 A1997
- Shaft seal assembly43US 7,396,017 B2Isotech of Illinois, Inc. · 2008
- Shaft seal device using gland packing40US 6,382,633 B1Nippon Pillar Packing Co., Ltd. · 2002
- Device for the float mounting a sealed housing32US 7,036,824 B2List AG · 2006
- Self-aligning stuffing box23US 4,480,842 A1984