F16L 21/045
The members passing through the sealing rings
Official title: {the members passing through the sealing rings}
F16L21/045 (The members passing through the sealing rings) appears on 24 US grants and 25 published applications in this corpus.
Search patents in F16L- Granted patents
- 24
- Published applications
- 25
- Assignees
- 19
- Inventors
- 43
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 3 | 3 |
| 2019 | 1 | 5 |
| 2020 | 4 | 2 |
| 2021 | 6 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 2 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipe fitting with draw mechanism19 May 2026US 12,631,273 B2Romac Industries, Inc.
- Oil and gas pipe connector24 Jun 2025US 12,338,919 B2Cobalt Coupler Systems, LLC
- Gland assembly6 Jun 2023US 11,668,416 B2Mueller International, LLC
- Rigid entry fitting for flexible pipe6 Jun 2023US 11,668,424 B2S. Bravo Systems, Inc.
- Oil and gas pipe connector24 Jan 2023US 11,560,972 B2Cobalt Coupler Systems, LLC
- Sealing device having a toggle lever unit25 Sep 2025US 2025/0297698 A1Bauconnect GmbH & Co. KG
- Pipe fitting with draw mechanism14 Nov 2024US 2024/0377004 A1Romac Industries, Inc.
- Connection of a pipe-like component with a connecting part29 Feb 2024US 2024/0068606 A1Johannes Schäfer vorm. Stettiner Schraubenwerke GmbH & Co. KG
- Seal assembly7 Dec 2023US 2023/0392692 A1
- Oil And Gas Pipe Connector18 May 2023US 2023/0151913 A1Cobalt Coupler Systems, LLC
Most cited
By later US patents
- Pressing ring, joint, and valve28US 10,018,290 B2Kubota Corporation · 2018
- Pipe connection18US 10,851,920 B2Crane Co. · 2020
- Coupling for coupling tubular members17US 4,753,461 AInternational Clamp Company · 1988
- Coupling for coupling tubular members14US 4,699,405 AInternational Clamp Company · 1987
- Gland assembly12US 11,162,621 B2Mueller International, LLC · 2021