F16L 59/021
Comprising a single piece or sleeve
Official title: {comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments}
F16L59/021 (Comprising a single piece or sleeve) appears on 325 US grants and 267 published applications in this corpus.
Search patents in F16L- Granted patents
- 325
- Published applications
- 267
- Assignees
- 198
- Inventors
- 613
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 6 |
| 2003 | 5 | 6 |
| 2004 | 5 | 9 |
| 2005 | 7 | 12 |
| 2006 | 5 | 13 |
| 2007 | 2 | 6 |
| 2008 | 4 | 6 |
| 2009 | 5 | 8 |
| 2010 | 8 | 10 |
| 2011 | 0 | 7 |
| 2012 | 8 | 10 |
| 2013 | 9 | 13 |
| 2014 | 7 | 11 |
| 2015 | 8 | 12 |
| 2016 | 4 | 9 |
| 2017 | 9 | 13 |
| 2018 | 9 | 6 |
| 2019 | 12 | 23 |
| 2020 | 13 | 18 |
| 2021 | 13 | 16 |
| 2022 | 11 | 16 |
| 2023 | 13 | 13 |
| 2024 | 16 | 9 |
| 2025 | 12 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low viscosity sealant to prevent corrosion under insulation4 Aug 2026US 12,698,861 B2Owens Corning Intellectual Capital, LLC
- Heat protective sleeve21 Jul 2026US 12,687,365 B2Battle Born Supply Co.
- Methods of compressing and packing insulation19 May 2026US 12,630,321 B2Johns Manville
- Thermally insulated pipe system, thermally insulating pipe section and method for producing a thermally insulating pipe section14 Apr 2026US 12,601,444 B2Rockwool A/S
- Insulating concrete shell24 Feb 2026US 12,560,273 B2ANDRITZ Metals Germany GmbH
- Connection having closed longitudinal channels, for a fluid to be transported8 Oct 2026US 2026/0309266 A1
- Insulating housing for providing heat insulation and installation kit24 Sep 2026US 2026/0291202 A1TE Connectivity Solutions GmbH
- Vapor stop material for cryogenic pipes and vessels19 Mar 2026US 2026/0078859 A1Owens Corning Intellectual Capital, LLC
- Coating material structure8 Jan 2026US 2026/0009488 A1Zhi Hui Co., Ltd.
- Electric thermal insulation equipment and disaster prevention and warning system thereof8 Jan 2026US 2026/0009489 A1Directly Technology Co., Ltd.
Most cited
By later US patents
- Insulated container and insulating element therefor102US 4,640,437 AKremsmunster, Austria · 1987
- Respiratory gas hose system for supplying a respiratory gas93US 7,086,422 B2MAP Medizin-Technologie GmbH · 2006
- Adhesive closure system with an abridged release liner89US 5,964,252 AMorgan Adhesives Company · 1999
- Acoustic damping pipe cover84US 6,202,702 B1Shishiai-Kabushikigaisha · 2001
- Apparatus for on-site installation of air duct system78US 6,231,704 B12001