F16L 23/028
The flanges being held against a shoulder
Official title: the flanges being held against a shoulder
F16L23/028 (The flanges being held against a shoulder) appears on 193 US grants and 189 published applications in this corpus.
Search patents in F16L- Granted patents
- 193
- Published applications
- 189
- Assignees
- 144
- Inventors
- 404
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 7 |
| 2007 | 0 | 7 |
| 2008 | 2 | 5 |
| 2009 | 6 | 4 |
| 2010 | 4 | 15 |
| 2011 | 2 | 7 |
| 2012 | 8 | 9 |
| 2013 | 3 | 6 |
| 2014 | 5 | 7 |
| 2015 | 5 | 16 |
| 2016 | 4 | 8 |
| 2017 | 11 | 6 |
| 2018 | 9 | 7 |
| 2019 | 9 | 11 |
| 2020 | 8 | 9 |
| 2021 | 8 | 7 |
| 2022 | 10 | 9 |
| 2023 | 6 | 8 |
| 2024 | 9 | 9 |
| 2025 | 15 | 14 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Joint structure6 Oct 2026US 12,753,872 B2Fujikin Incorporated
- Corrosion-free welding connection for reinforced thermoplastic pipes (RTP)18 Aug 2026US 12,710,118 B1Saudi Arabian Oil Company
- Flexible tube assembly14 Jul 2026US 12,680,632 B2Tofle Co., Inc.
- Mechanical joint restraint with wedge assemblies including collar bolts12 May 2026US 12,624,780 B2EBAA Iron, Inc.
- Metal seal fitting with tight bend technology17 Mar 2026US 12,578,042 B2Hanon Systems
- Pipe assembly and kit of parts for a pipe assembly27 Aug 2026US 2026/0251242 A1Airbus Operations GmbH
- Corrosion-free welding connection for reinforced thermoplastic pipes (rtp)20 Aug 2026US 2026/0243375 A1Saudi Arabian Oil Company
- Method of rotating a pipeline section23 Jul 2026US 2026/0210463 A1Victaulic Company
- Fracturing hose for high-pressure oilfield9 Jul 2026US 2026/0194167 A1Techfluid Yantai Limited
- Adjustable spool5 Mar 2026US 2026/0063012 A1Schlumberger Technology Corporation
Most cited
By later US patents