B29D 23/001
Pipes
Official title: {Pipes; Pipe joints (pleated hoses B29D23/18)}
B29D23/001 (Pipes) appears on 864 US grants and 651 published applications in this corpus.
Search patents in B29D- Granted patents
- 864
- Published applications
- 651
- Assignees
- 586
- Inventors
- 1,552
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 12 | 0 |
| 1978 | 18 | 0 |
| 1979 | 12 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 12 | 0 |
| 1983 | 2 | 0 |
| 1984 | 12 | 0 |
| 1985 | 12 | 0 |
| 1986 | 18 | 0 |
| 1987 | 22 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 17 | 0 |
| 1991 | 11 | 0 |
| 1992 | 25 | 0 |
| 1993 | 16 | 0 |
| 1994 | 15 | 0 |
| 1995 | 21 | 0 |
| 1996 | 7 | 0 |
| 1997 | 18 | 0 |
| 1998 | 18 | 0 |
| 1999 | 22 | 0 |
| 2000 | 17 | 0 |
| 2001 | 20 | 7 |
| 2002 | 12 | 15 |
| 2003 | 19 | 17 |
| 2004 | 13 | 13 |
| 2005 | 11 | 12 |
| 2006 | 10 | 9 |
| 2007 | 5 | 18 |
| 2008 | 3 | 21 |
| 2009 | 6 | 39 |
| 2010 | 11 | 39 |
| 2011 | 12 | 28 |
| 2012 | 27 | 26 |
| 2013 | 20 | 33 |
| 2014 | 33 | 52 |
| 2015 | 30 | 50 |
| 2016 | 29 | 31 |
| 2017 | 33 | 26 |
| 2018 | 30 | 25 |
| 2019 | 27 | 25 |
| 2020 | 26 | 33 |
| 2021 | 17 | 28 |
| 2022 | 27 | 26 |
| 2023 | 14 | 20 |
| 2024 | 22 | 23 |
| 2025 | 29 | 28 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Constant strain PEX expansion tool head1 Sep 2026US 12,722,338 B2Zurn Water, LLC
- Method for producing a flexible composite pipe, and thermoplastic composite pipe4 Aug 2026US 12,697,793 B2Fibron Pipe GESMBH
- Air duct for distributing air in a greenhouse23 Jun 2026US 12,660,765 B2Cooling-Global S.R.O.
- Flow-optimized line connector, and line connector assembly26 May 2026US 12,638,118 B2Norma Germany GmbH
- Monitoring cable integrity during pipeline manufacture17 Mar 2026US 12,576,603 B2Acergy France SAS
- Device for controlling pitch and tension of a wire deposited onto mandrel in composite-hose manufacturing8 Oct 2026US 2026/0307348 A1Gasso Equipments, S.A.
- Braided hose24 Sep 2026US 2026/0287094 A1Danfoss A/S
- Oxygenating oropharyngeal airway devices, kits relating to same, and methods of using same16 Jul 2026US 2026/0199619 A1Baylor Research Institute D/B/A Baylor Scott & White Research Institute
- Therapeutic, fitness, and sports enhancement device14 May 2026US 2026/0130815 A1Performance Solutions, LLC
- Method of joining pipes and apparatus for facilitating the same16 Apr 2026US 2026/0104122 A1
Most cited
By later US patents
- Longitudinally compliant vascular graft350US 4,955,899 AImpra, Inc. · 1990
- Stent graft with braided polymeric sleeve343US 5,957,974 ASchneider (USA) Inc. · 1999
- Method of making a stent-graft covered with expanded polytetrafluoroethylene318US 5,788,626 ASchneider (USA) Inc. · 1998
- Percutaneous vascular access portal and catheter294US 4,318,401 APresident and Fellows of Harvard College · 1982
- Thin-wall polytetrafluoroethylene tube232US 6,027,779 AW. L. Gore & Associates, Inc. · 2000