F16L 59/14
Arrangements for the insulation of pipes or pipe systems
Official title: Arrangements for the insulation of pipes or pipe systems (F16L59/02 - F16L59/12 take precedence)
F16L59/14 (Arrangements for the insulation of pipes or pipe systems) appears on 1,403 US grants and 1,296 published applications in this corpus.
Search patents in F16L- Granted patents
- 1,403
- Published applications
- 1,296
- Assignees
- 815
- Inventors
- 2,826
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 28 | 0 |
| 1978 | 26 | 0 |
| 1979 | 11 | 0 |
| 1980 | 19 | 0 |
| 1981 | 16 | 0 |
| 1982 | 12 | 0 |
| 1983 | 15 | 0 |
| 1984 | 25 | 0 |
| 1985 | 20 | 0 |
| 1986 | 20 | 0 |
| 1987 | 17 | 0 |
| 1988 | 17 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 19 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 18 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 34 | 0 |
| 2000 | 25 | 0 |
| 2001 | 27 | 7 |
| 2002 | 17 | 21 |
| 2003 | 22 | 18 |
| 2004 | 15 | 29 |
| 2005 | 13 | 26 |
| 2006 | 21 | 43 |
| 2007 | 15 | 29 |
| 2008 | 11 | 39 |
| 2009 | 18 | 30 |
| 2010 | 28 | 59 |
| 2011 | 24 | 51 |
| 2012 | 20 | 38 |
| 2013 | 24 | 59 |
| 2014 | 34 | 52 |
| 2015 | 38 | 54 |
| 2016 | 38 | 75 |
| 2017 | 40 | 65 |
| 2018 | 54 | 71 |
| 2019 | 78 | 78 |
| 2020 | 65 | 82 |
| 2021 | 46 | 66 |
| 2022 | 58 | 60 |
| 2023 | 60 | 69 |
| 2024 | 57 | 79 |
| 2025 | 62 | 55 |
| 2026 | 38 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 59/16Arrangements specially adapted to local requirements at flanges, junctions, valves or the633
- F16L 59/143Pre-insulated pipes286
- F16L 59/141In which the temperature of the medium is below that of the201
- F16L 59/153For flexible pipes123
- F16L 59/147The insulation being located inwardly of the outer surface of the pipe91
- F16L 59/145Providing fire-resistance81
- F16L 59/15For underground pipes52
Recent patents
- Integrated heating and insulation system6 Oct 2026US 12,753,873 B2
- Apparatus for removable mounting of a hose into an air-conditioning duct15 Sep 2026US 12,736,167 B2
- Device for closing off a segment of pipe-in-pipe pipeline comprising a water detector25 Aug 2026US 12,716,540 B2Itp SA
- Insulating support bracket for jacketed pipe system18 Aug 2026US 12,710,125 B2ASC Engineered Solutions, LLC
- Low viscosity sealant to prevent corrosion under insulation4 Aug 2026US 12,698,861 B2Owens Corning Intellectual Capital, LLC
- Moldable glass wool to pipe insulation1 Oct 2026US 2026/0298395 A1Johns Manville
- Pipe for the transfer of cryogenic fluid10 Sep 2026US 2026/0266409 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Coupling for cryogenic conduits20 Aug 2026US 2026/0243384 A1Witzenmann GmbH
- Low emission expansion joint assembly20 Aug 2026US 2026/0243385 A1Eagleburgmann Germany GmbH & Co.KG
- Low-emission nozzle and receptacle coupling for cryogenic fluid6 Aug 2026US 2026/0227017 A1Engineered Controls International, LLC
Most cited
By later US patents
- Composite tubing product726US 4,194,536 AEaton Corporation · 1980
- Dual wall safety tube580US 4,653,541 AParker-Hannifin Corporation · 1987
- Tuyere stock and compensator joint therefore118US 4,023,782 AS. A. des Anciens Etablissements Paul Wurth · 1977
- High temperature insulated casing118US 4,415,184 AGeneral Electric Company · 1983
- Tubular article118US 5,070,597 ARaychem Corporation · 1991