B29D 23/18
Pleated or corrugated hoses
Official title: Pleated {or corrugated} hoses
B29D23/18 (Pleated or corrugated hoses) appears on 158 US grants and 115 published applications in this corpus.
Search patents in B29D- Granted patents
- 158
- Published applications
- 115
- Assignees
- 76
- Inventors
- 225
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 5 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 8 |
| 2010 | 2 | 5 |
| 2011 | 4 | 4 |
| 2012 | 0 | 1 |
| 2013 | 2 | 6 |
| 2014 | 3 | 11 |
| 2015 | 3 | 5 |
| 2016 | 11 | 8 |
| 2017 | 7 | 9 |
| 2018 | 10 | 8 |
| 2019 | 6 | 8 |
| 2020 | 12 | 8 |
| 2021 | 5 | 5 |
| 2022 | 7 | 3 |
| 2023 | 8 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Over mandrel extrusion for composite PCP stator29 Apr 2025US 12,285,897 B2Schlumberger Technology Corporation
- Flexible thermoplastic driveshaft11 Feb 2025US 12,220,881 B2Goodrich Corporation
- Tube/mandrel assemblies19 Nov 2024US 12,145,338 B2Zeus Co., Ltd.
- Components for medical circuits18 Jun 2024US 12,011,543 B2Fisher & Paykel Healthcare Limited
- Stretch hose and hose production method5 Dec 2023US 11,835,157 B2Globalmed Inc.
- Corrugated fiber-reinforced cylinder pipe and manufacturing method thereof2 Jul 2026US 2026/0185637 A1Zhengzhou University
- Tube/mandrel assemblies2 Oct 2025US 2025/0303656 A1Zeus Co., Ltd.
- Dual pipe manufacturing cell27 Mar 2025US 2025/0100206 A1Advanced Drainage Systems, Inc.
- Tube/mandrel assemblies6 Feb 2025US 2025/0042112 A1Zeus Co., Ltd.
- Components for medical circuits5 Dec 2024US 2024/0399097 A1Fisher & Paykel Healthcare Limited
Most cited
By later US patents
- Thin-wall polytetrafluoroethylene tube232US 6,027,779 AW. L. Gore & Associates, Inc. · 2000
- Micrograft for the treatment of intracranial aneurysms and method for use114US 9,962,146 B2Neurogami Medical, Inc. · 2018
- Thin-wall polytetrafluoroethylene tube106US 6,025,044 AW. L. Gore & Associates, Inc. · 2000
- Thin-wall polytetrafluoroethylene tube79US 7,279,208 B1Gore Enterprise Holdings, Inc. · 2007
- Arch conduit71US 4,245,924 AHancor, Inc. · 1981