F16L 58/1054
The coating being placed outside the pipe
Official title: {the coating being placed outside the pipe}
F16L58/1054 (The coating being placed outside the pipe) appears on 265 US grants and 251 published applications in this corpus.
Search patents in F16L- Granted patents
- 265
- Published applications
- 251
- Assignees
- 202
- Inventors
- 622
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 15 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 2 |
| 2002 | 6 | 6 |
| 2003 | 3 | 2 |
| 2004 | 7 | 1 |
| 2005 | 2 | 4 |
| 2006 | 1 | 6 |
| 2007 | 1 | 8 |
| 2008 | 2 | 7 |
| 2009 | 1 | 10 |
| 2010 | 5 | 11 |
| 2011 | 4 | 10 |
| 2012 | 4 | 11 |
| 2013 | 11 | 7 |
| 2014 | 5 | 9 |
| 2015 | 9 | 22 |
| 2016 | 5 | 16 |
| 2017 | 11 | 14 |
| 2018 | 13 | 19 |
| 2019 | 19 | 12 |
| 2020 | 18 | 17 |
| 2021 | 9 | 12 |
| 2022 | 12 | 11 |
| 2023 | 8 | 7 |
| 2024 | 9 | 12 |
| 2025 | 4 | 11 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-corrosion automatic wrapping device and method for bend pipe with polyethylene composite tape1 Sep 2026US 12,722,340 B2Hebei Hengtong Pipe Fittings Group Co.,Ltd
- Coated pipe section and method for coating a pipe24 Feb 2026US 12,560,271 B22543500 Alberta Ltd B.D.A. Shaw Pipe Protection.
- Coated pipe section and method for coating a pipe24 Feb 2026US 12,560,272 B22543500 Alberta Ltd B.D.A. Shaw Pipe Protection.
- HVACR pipe27 Jan 2026US 12,535,156 B2Ptubes, Inc.
- Groove geometry for injection molded polypropylene coated field joints4 Nov 2025US 12,459,219 B22543500 Alberta Ltd.
- Hvacr pipe11 Jun 2026US 2026/0160361 A1Ptubes, Inc.
- Metal pipes with anticorrosive polyolefin covering layer4 Jun 2026US 2026/0153184 A1Winn & Coales International Limited
- Anti-corrosion tape comprising at least one woven fabric23 Apr 2026US 2026/0110388 A1
- Method for making protective coverings over metal structures15 Jan 2026US 2026/0014742 A1HubbellI Incorporated
- Insulated steel pipe and its method of manufacture18 Dec 2025US 2025/0382489 A12543500 Alberta Ltd., D.B.A. Shaw Pipe Protection
Most cited
By later US patents
- Nanocomposite coatings for threaded connections56US 8,322,754 B2Tenaris Connections Limited · 2012
- Multilayer coated corrosion resistant metal pipe51US 4,853,297 AUsui Kokusai Sangyo Kaisha Limited · 1989
- Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same51US 5,520,223 AITT Industries, Inc. · 1996
- Fire and corrosion protected hose49US 4,942,903 AEB Norsk Kabel a.s · 1990
- Method of making a coated pipeline42US 4,744,842 AWebco Limited · 1988