F16L 13/0254
The pipes having an internal or external coating
Official title: {the pipes having an internal or external coating}
F16L13/0254 (The pipes having an internal or external coating) appears on 175 US grants and 176 published applications in this corpus.
Search patents in F16L- Granted patents
- 175
- Published applications
- 176
- Assignees
- 120
- Inventors
- 351
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 5 |
| 2005 | 3 | 4 |
| 2006 | 2 | 3 |
| 2007 | 2 | 8 |
| 2008 | 3 | 4 |
| 2009 | 5 | 1 |
| 2010 | 1 | 11 |
| 2011 | 3 | 6 |
| 2012 | 2 | 6 |
| 2013 | 7 | 13 |
| 2014 | 2 | 13 |
| 2015 | 9 | 8 |
| 2016 | 7 | 14 |
| 2017 | 8 | 10 |
| 2018 | 9 | 4 |
| 2019 | 9 | 13 |
| 2020 | 10 | 10 |
| 2021 | 7 | 9 |
| 2022 | 5 | 9 |
| 2023 | 10 | 3 |
| 2024 | 9 | 10 |
| 2025 | 8 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Housing assembly for use in a heat exchange system19 May 2026US 12,631,272 B2Danfoss A/S
- Monitoring of lined pipeline31 Mar 2026US 12,590,665 B2Pioneer Lining Technology Limited
- Helically wound tubular structures22 Jul 2025US 12,366,310 B2Techreo LLC
- Composite pipe formed by combining a main portion and a short pipe portion, and connection structure of the same13 May 2025US 12,297,939 B2
- Sealed pipeline connection and raised pipeline sleeve, and method of making same8 Apr 2025US 12,270,492 B2Lps IP, LLC
- Methods and systems for connecting pipes6 Aug 2026US 2026/0227011 A1Saudi Arabian Oil Company
- Liquid distributor branch pipe structure and liquid distributor23 Jul 2026US 2026/0210459 A1Hanshan Ruike Metal Co., Ltd.
- Method of joining cladded pipe25 Jun 2026US 2026/0177171 A1
- Compression member for a fluid transport pipe provided with an internal protective lining18 Jun 2026US 2026/0168612 A1Saipem S.P.A.
- Pipeline Sealing Assembly with Pipeline Sleeve and Pipeline Terminals and Method of Making Same5 Mar 2026US 2026/0063225 A1Lps IP, LLC
Most cited
By later US patents
- Method of joining lined pipes120US 6,226,855 B1Lattice Intellectual Property Limited · 2001
- Multilayer pipe joint58US 4,400,019 AUnisert Systems, Inc. · 1983
- Pipeline secondary containment system and method46US 5,176,025 AE. O. Butts Consultants Ltd. · 1993
- Cylindrical corrosion barrier for pipe connections41US 5,566,984 A1996
- Flangeless pipe joint28US 5,634,672 AThe Dow Chemical Company · 1997