B29B 13/024
Hollow bodies
Official title: {Hollow bodies, e.g. tubes or profiles}
B29B13/024 (Hollow bodies) appears on 242 US grants and 179 published applications in this corpus.
Search patents in B29B- Granted patents
- 242
- Published applications
- 179
- Assignees
- 161
- Inventors
- 409
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 2 |
| 2002 | 7 | 5 |
| 2003 | 6 | 7 |
| 2004 | 1 | 3 |
| 2005 | 6 | 11 |
| 2006 | 4 | 9 |
| 2007 | 2 | 7 |
| 2008 | 6 | 16 |
| 2009 | 4 | 7 |
| 2010 | 7 | 20 |
| 2011 | 3 | 17 |
| 2012 | 11 | 8 |
| 2013 | 10 | 7 |
| 2014 | 9 | 8 |
| 2015 | 8 | 8 |
| 2016 | 3 | 8 |
| 2017 | 6 | 7 |
| 2018 | 11 | 6 |
| 2019 | 8 | 2 |
| 2020 | 2 | 5 |
| 2021 | 7 | 5 |
| 2022 | 2 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process to heat preformed plastic pipes10 Mar 2026US 12,570,025 B2Optiflux Tech Innovations Private Limited
- Method and device for manufacturing container made of biodegradable resin30 Dec 2025US 12,508,757 B2Nissei Asb Machine Co., Ltd.
- Method and apparatus for producing resin container28 Oct 2025US 12,454,091 B2Nissei Asb Machine Co., Ltd.
- Molding systems and related methods1 Apr 2025US 12,263,630 B2Friendship Products LLC
- Brim-forming machine and method of use1 Oct 2024US 12,103,221 B2Berry Global, Inc.
- Heating system for heating plastic material preforms5 Mar 2026US 2026/0061690 A1S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
- System for thermoregulating metal rotating cylinders in plastic film converting and extruding systems by means of induction heaters9 Oct 2025US 2025/0312952 A1Colines S.P.A.
- Apparatus and method for treating plastics material preforms with temperature detection17 Jul 2025US 2025/0229460 A1Krones AG
- Temperature adjustment mold and manufacturing apparatus for resin container27 Mar 2025US 2025/0100204 A1Nissei Asb Machine Co., Ltd.
- Method of manufacturing a strip for sealing a laminated packaging material for liquid food products23 Jan 2025US 2025/0026114 A1Tetra Laval Holdings & Finance S. A.
Most cited
By later US patents
- Machine for forming seams of two-piece paper cups89US 4,490,130 APaper Machinery Corporation · 1984
- Method and apparatus for providing the inner surface of a pipe line with a lining68US 4,350,548 AAshimori Industry Co., Ltd. · 1982
- Plastic tube, coupling, and method of forming same54US 4,316,870 A1982
- Method of connecting plastic tube to a plastic part47US 4,354,495 ASherwood Medical Industries Inc. · 1982
- Catheters and method of manufacture47US 5,409,644 AMed-Pro Design, Inc. · 1995