B32B 2597/00
Tubular articles
Official title: Tubular articles, e.g. hoses, pipes
B32B2597/00 (Tubular articles) appears on 1,641 US grants and 2,347 published applications in this corpus.
Search patents in B32B- Granted patents
- 1,641
- Published applications
- 2,347
- Assignees
- 1,080
- Inventors
- 4,633
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 24 | 0 |
| 1997 | 17 | 0 |
| 1998 | 31 | 0 |
| 1999 | 24 | 0 |
| 2000 | 22 | 0 |
| 2001 | 22 | 5 |
| 2002 | 26 | 25 |
| 2003 | 19 | 18 |
| 2004 | 12 | 56 |
| 2005 | 14 | 60 |
| 2006 | 24 | 71 |
| 2007 | 18 | 54 |
| 2008 | 7 | 35 |
| 2009 | 19 | 64 |
| 2010 | 15 | 77 |
| 2011 | 21 | 64 |
| 2012 | 44 | 64 |
| 2013 | 28 | 80 |
| 2014 | 48 | 73 |
| 2015 | 40 | 117 |
| 2016 | 62 | 126 |
| 2017 | 83 | 132 |
| 2018 | 91 | 186 |
| 2019 | 115 | 161 |
| 2020 | 111 | 172 |
| 2021 | 124 | 147 |
| 2022 | 109 | 143 |
| 2023 | 112 | 131 |
| 2024 | 94 | 122 |
| 2025 | 87 | 102 |
| 2026 | 57 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hose for conveying refrigerant22 Sep 2026US 12,742,508 B2The Yokohama Rubber Co., Ltd.
- Thermal insulating member for a vehicle component15 Sep 2026US 12,734,786 B2Volvo Truck Corporation
- Golf club shaft1 Sep 2026US 12,722,053 B2Sumitomo Rubber Industries, Ltd.
- Low permeation article with polyketone barrier layer1 Sep 2026US 12,723,149 B2ContiTech USA, Inc.
- Pipe for transporting a fluid, insulated pipe with such, and method for manufacturing a pipe1 Sep 2026US 12,723,682 B2Brugg Rohrsystem AG
- Composite layer and method thereof8 Oct 2026US 2026/0309254 A1Baker Hughes Energy Technology UK Limited
- Composite Material of Multilayer Metal Sandwiching Graphene or Graphene Composite and Manufacturing Method of the Same1 Oct 2026US 2026/0295989 A1
- Motor vehicle pipeline and method for manufacturing a motor vehicle pipeline1 Oct 2026US 2026/0296393 A1
- Tube for an air brake line1 Oct 2026US 2026/0298375 A1
- PVC hose with soft touch effect, as well as method of manufacturing thereof24 Sep 2026US 2026/0286117 A1Fitt S.p.A.
Most cited
By later US patents
- Radially expandable vascular graft with resistance to longitudinal compression and method of making same414US 5,628,786 AImpra, Inc. · 1997
- Method of lining a pipe194US 4,009,063 AInsituform (Pipes & Structures) Ltd. · 1977
- Flexible tube for an endoscope166US 6,860,849 B2PENTAX Corporation · 2005
- Hose assembly146US 5,170,011 ATeleflex Incorporated · 1992
- Optically dissimilar composition for polymeric reflective bodies118US 5,278,694 AThe Dow Chemical Company · 1994