B29L 2023/00
Tubular articles
Official title: Tubular articles (B29L2024/00 takes precedence {; catheters B29L2031/7542})
B29L2023/00 (Tubular articles) appears on 3,753 US grants and 3,235 published applications in this corpus.
Search patents in B29L- Granted patents
- 3,753
- Published applications
- 3,235
- Assignees
- 2,105
- Inventors
- 7,383
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 63 | 0 |
| 1977 | 55 | 0 |
| 1978 | 48 | 0 |
| 1979 | 35 | 0 |
| 1980 | 47 | 0 |
| 1981 | 49 | 0 |
| 1982 | 51 | 0 |
| 1983 | 42 | 0 |
| 1984 | 49 | 0 |
| 1985 | 52 | 0 |
| 1986 | 39 | 0 |
| 1987 | 54 | 0 |
| 1988 | 52 | 0 |
| 1989 | 48 | 0 |
| 1990 | 56 | 0 |
| 1991 | 47 | 0 |
| 1992 | 65 | 0 |
| 1993 | 78 | 0 |
| 1994 | 77 | 0 |
| 1995 | 79 | 0 |
| 1996 | 80 | 0 |
| 1997 | 69 | 0 |
| 1998 | 92 | 0 |
| 1999 | 68 | 0 |
| 2000 | 83 | 0 |
| 2001 | 77 | 22 |
| 2002 | 54 | 66 |
| 2003 | 70 | 88 |
| 2004 | 57 | 86 |
| 2005 | 39 | 89 |
| 2006 | 52 | 97 |
| 2007 | 44 | 99 |
| 2008 | 37 | 98 |
| 2009 | 30 | 114 |
| 2010 | 48 | 125 |
| 2011 | 58 | 110 |
| 2012 | 79 | 118 |
| 2013 | 91 | 116 |
| 2014 | 92 | 131 |
| 2015 | 86 | 201 |
| 2016 | 120 | 196 |
| 2017 | 113 | 203 |
| 2018 | 161 | 184 |
| 2019 | 179 | 181 |
| 2020 | 151 | 158 |
| 2021 | 136 | 148 |
| 2022 | 106 | 163 |
| 2023 | 120 | 107 |
| 2024 | 101 | 134 |
| 2025 | 113 | 118 |
| 2026 | 61 | 83 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29L 2023/22Tubes or pipes, i.e. rigidIndexing code1,484
- B29L 2023/005Hoses, i.e. flexibleIndexing code777
- B29L 2023/18Pleated or corrugated hosesIndexing code319
- B29L 2023/001Tubular films, sleevesIndexing code263
- B29L 2023/20Flexible squeeze tubesIndexing code260
- B29L 2023/003Tubular articles: having irregular or rough surfacesIndexing code157
- B29L 2023/004Bent tubesIndexing code123
- B29L 2023/24Endless tubesIndexing code37
All 10 subgroupsShow fewer
Recent patents
- Method and machine for belling PVC-O pipes6 Oct 2026US 12,752,475 B2Sica S.P.A.
- Axial reinforcement filament application methodology6 Oct 2026US 12,752,500 B2Safeguard LLC
- Flexible cover6 Oct 2026US 12,752,525 B2
- High performance cooling element8 Sep 2026US 12,728,580 B2Addex, Inc.
- Marking device for printing logo patterns on a surface of a plastic tubing and method for marking the plastic tubing8 Sep 2026US 12,728,658 B1
- Nasal/oral cannula system and manufacturing8 Oct 2026US 2026/0305976 A1Masimo Sweden AB
- On- and offshore long-chain polyamide tube with increased barrier effect1 Oct 2026US 2026/0295917 A1Evonik Operations GmbH
- Method for deforming a hollow body made of thermoplastic plastic and system therefor1 Oct 2026US 2026/0295921 A1BEGA Gantenbrink-Leuchten KG
- Method of making hollow component of composite material using collapsable and reusable mandrel1 Oct 2026US 2026/0295950 A1Universita' Degli Studi Di Catania
- Polyamide composition and polar graphene1 Oct 2026US 2026/0297326 A1Arkema France
Most cited
By later US patents
- Flexible tubular device for use in medical applications929US 5,573,520 AMayo Foundation for Medical Education and Research · 1996
- Flexible tubular device for use in medical applications586US 5,741,429 ACardia Catheter Company · 1998
- Nasal/oral cannula system and manufacturing493US 10,441,196 B2Masimo Corporation · 2019
- Flexible, kink-resistant, introducer sheath and method of manufacture364US 5,380,304 ACook Incorporated · 1995
- Stent graft with braided polymeric sleeve343US 5,957,974 ASchneider (USA) Inc. · 1999