B29C 48/131
Curved articles
Official title: {Curved articles}
B29C48/131 (Curved articles) appears on 187 US grants and 172 published applications in this corpus.
Search patents in B29C- Granted patents
- 187
- Published applications
- 172
- Assignees
- 135
- Inventors
- 342
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 6 |
| 2003 | 5 | 8 |
| 2004 | 3 | 8 |
| 2005 | 1 | 3 |
| 2006 | 1 | 8 |
| 2007 | 5 | 6 |
| 2008 | 2 | 7 |
| 2009 | 2 | 7 |
| 2010 | 2 | 1 |
| 2011 | 4 | 12 |
| 2012 | 2 | 6 |
| 2013 | 2 | 5 |
| 2014 | 9 | 8 |
| 2015 | 6 | 7 |
| 2016 | 2 | 9 |
| 2017 | 9 | 14 |
| 2018 | 10 | 16 |
| 2019 | 10 | 9 |
| 2020 | 13 | 10 |
| 2021 | 6 | 6 |
| 2022 | 4 | 3 |
| 2023 | 3 | 5 |
| 2024 | 5 | 5 |
| 2025 | 5 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Members for sealing, baffling, or reinforcing4 Aug 2026US 12,697,764 B2Zephyros, Inc.
- Apparatus and method for extruding curved profiles29 Jul 2025US 12,370,591 B2Imperial College Innovations Limited
- Mold for partially shortening circumference of tube billet and using method of mold3 Jun 2025US 12,318,971 B2Chu, Guannan
- Concrete dowel placement system and method of making the same3 Jun 2025US 12,320,076 B2Shaw & Sons, Inc.
- Microparticles/microcrown22 Apr 2025US 12,280,139 B2Grand Advance Technologies Pte Ltd
- Microparticles/microcrown3 Jul 2025US 2025/0213464 A1Grand Advance Technologies Pte Ltd
- Pipe with an outer wrap12 Jun 2025US 2025/0189061 A1Advanced Drainage Systems, Inc.
- Concrete dowel placement system and method of making the same19 Sep 2024US 2024/0308126 A1Shaw & Sons, Inc.
- Pipe with an outer wrap16 May 2024US 2024/0159330 A1Advanced Drainage Systems, Inc.
- Heated respiratory hose support helix incorporating lumens11 Apr 2024US 2024/0115847 A1Globalmed Inc.
Most cited
By later US patents
- Extruded tubing and catheters having increased rotational stiffness127US 5,156,785 ACordis Corporation · 1992
- Flexible tubing62US 4,662,404 A1987
- Method of manufacturing a block-type heat exchange element56US 4,746,479 ANippon Soken, Inc. · 1988
- Variable flow rate extrusion apparatus for applying a polymer profile to an article56US 5,108,526 ASaint-Gobain Vitrage International · 1992
- Apparatus for the production of hollow bodies, especially large-diameter ducts from thermoplastic synthetic resin44US 4,033,808 A1977