F16L 59/147
The insulation being located inwardly of the outer surface of the pipe
Official title: the insulation being located inwardly of the outer surface of the pipe
F16L59/147 (The insulation being located inwardly of the outer surface of the pipe) appears on 91 US grants and 103 published applications in this corpus.
Search patents in F16L- Granted patents
- 91
- Published applications
- 103
- Assignees
- 92
- Inventors
- 255
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 3 |
| 2010 | 0 | 5 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 5 |
| 2014 | 6 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 4 |
| 2017 | 2 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 4 |
| 2020 | 3 | 8 |
| 2021 | 1 | 9 |
| 2022 | 8 | 6 |
| 2023 | 7 | 5 |
| 2024 | 4 | 11 |
| 2025 | 7 | 7 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacture of pipe-in-pipe assemblies28 Jul 2026US 12,692,969 B2Acergy France SAS
- Mitigation of buckling in subsea pipe-in-pipe systems24 Feb 2026US 12,560,270 B2Subsea 7 Limited
- Fire-rated modular duct assembly suitable for exhausting flammable or hazardous gases, vapours and other materials16 Sep 2025US RE50,587 E1Vaughanair Canada Ulc
- Self-adhering duct insulation product9 Sep 2025US 12,410,940 B2Johns Manville
- Helically wound tubular structures22 Jul 2025US 12,366,310 B2Techreo LLC
- Thermal insulation structure for pipe, pipe heating system, thermal insulation sheet, and method of installing thermal insulation structure23 Jul 2026US 2026/0210476 A1Nichias Corporation
- Jacket heater, method for manufacturing jacket heater, and heating unit16 Jul 2026US 2026/0206102 A1Nichias Corporation
- Mitigation of Buckling in Subsea Pipe-in-Pipe Systems18 Jun 2026US 2026/0168611 A1
- Water heater14 May 2026US 2026/0132959 A1Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Polymer composite pipe12 Mar 2026US 2026/0071714 A1Enoflex Limited
Most cited
By later US patents
- Tuyere stock and compensator joint therefore118US 4,023,782 AS. A. des Anciens Etablissements Paul Wurth · 1977
- Coupling sleeve47US 4,099,749 AAir-O-Mulder B.V. · 1978
- Duct liners41US 6,148,867 AJohns Manville International, Inc. · 2000
- Method of kerfing insulation boards to form duct liners24US 6,457,237 B1Johns Manville International, Inc. · 2002
- Ventilation duct and insulation panel used for its internal lining23US 6,161,593 AIsover Saint-Gobain · 2000