B29C 48/09
Articles with cross-sections having partially or fully enclosed cavities
Official title: Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
B29C48/09 (Articles with cross-sections having partially or fully enclosed cavities) appears on 5,630 US grants and 4,353 published applications in this corpus.
Search patents in B29C- Granted patents
- 5,630
- Published applications
- 4,353
- Assignees
- 2,525
- Inventors
- 10,112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 120 | 0 |
| 1977 | 98 | 0 |
| 1978 | 116 | 0 |
| 1979 | 82 | 0 |
| 1980 | 104 | 0 |
| 1981 | 112 | 0 |
| 1982 | 86 | 0 |
| 1983 | 86 | 0 |
| 1984 | 95 | 0 |
| 1985 | 93 | 0 |
| 1986 | 67 | 0 |
| 1987 | 82 | 0 |
| 1988 | 104 | 0 |
| 1989 | 123 | 0 |
| 1990 | 95 | 0 |
| 1991 | 87 | 0 |
| 1992 | 121 | 0 |
| 1993 | 112 | 0 |
| 1994 | 113 | 0 |
| 1995 | 127 | 0 |
| 1996 | 106 | 0 |
| 1997 | 111 | 0 |
| 1998 | 136 | 0 |
| 1999 | 119 | 0 |
| 2000 | 138 | 0 |
| 2001 | 125 | 53 |
| 2002 | 103 | 142 |
| 2003 | 129 | 149 |
| 2004 | 125 | 204 |
| 2005 | 85 | 177 |
| 2006 | 101 | 163 |
| 2007 | 77 | 180 |
| 2008 | 58 | 167 |
| 2009 | 79 | 191 |
| 2010 | 102 | 203 |
| 2011 | 102 | 194 |
| 2012 | 130 | 163 |
| 2013 | 119 | 189 |
| 2014 | 145 | 197 |
| 2015 | 146 | 218 |
| 2016 | 118 | 181 |
| 2017 | 141 | 202 |
| 2018 | 137 | 222 |
| 2019 | 152 | 167 |
| 2020 | 170 | 168 |
| 2021 | 131 | 185 |
| 2022 | 105 | 152 |
| 2023 | 124 | 128 |
| 2024 | 114 | 132 |
| 2025 | 107 | 120 |
| 2026 | 72 | 106 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processes for the production of an extruded web material from plastic, extruded web material and transport containers6 Oct 2026US 12,752,468 B2Gebr. Scheidt GmbH
- Methods of plugging a permeable porous cellular body15 Sep 2026US 12,734,726 B2Corning Incorporated
- Selective placement of advanced composites in extruded articles and building components15 Sep 2026US 12,735,937 B2Andersen Corporation
- Support for a watercraft8 Sep 2026US 12,728,577 B2Choice Equipment Company, LLC
- High performance cooling element8 Sep 2026US 12,728,580 B2Addex, Inc.
- Prosthetic Surgical Sling8 Oct 2026US 2026/0306237 A1
- Extrudable fiber composite material and its use and production8 Oct 2026US 2026/0307319 A1
- On- and offshore long-chain polyamide tube with increased barrier effect1 Oct 2026US 2026/0295917 A1Evonik Operations GmbH
- Polyamide composition and polar graphene1 Oct 2026US 2026/0297326 A1Arkema France
- 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
- Elastic substantially linear olefin polymers1,374US 5,272,236 AThe Dow Chemical Company · 1993
- Flexible tubular device for use in medical applications929US 5,573,520 AMayo Foundation for Medical Education and Research · 1996
- Devices for tissue repair and methods for preparation and use thereof657US 6,280,474 B1Neucoll, Inc. · 2001
- Thermoplastic planks and methods for making the same450US 6,617,009 B1Mannington Mills, Inc. · 2003
- Membranes of polyurethane based materials including polyester polyols423US 6,013,340 ANIKE, Inc. · 2000