B29C 49/68
Ovens specially adapted for heating preforms or parisons
B29C49/68 (Ovens specially adapted for heating preforms or parisons) appears on 402 US grants and 316 published applications in this corpus.
Search patents in B29C- Granted patents
- 402
- Published applications
- 316
- Assignees
- 112
- Inventors
- 569
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 1 |
| 2002 | 10 | 6 |
| 2003 | 7 | 6 |
| 2004 | 6 | 8 |
| 2005 | 5 | 7 |
| 2006 | 4 | 11 |
| 2007 | 7 | 9 |
| 2008 | 5 | 12 |
| 2009 | 5 | 8 |
| 2010 | 8 | 15 |
| 2011 | 6 | 18 |
| 2012 | 6 | 19 |
| 2013 | 12 | 17 |
| 2014 | 14 | 16 |
| 2015 | 17 | 16 |
| 2016 | 16 | 22 |
| 2017 | 13 | 10 |
| 2018 | 13 | 9 |
| 2019 | 14 | 13 |
| 2020 | 12 | 14 |
| 2021 | 14 | 9 |
| 2022 | 12 | 20 |
| 2023 | 12 | 21 |
| 2024 | 8 | 15 |
| 2025 | 16 | 9 |
| 2026 | 11 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 49/6835Using reflectors174
- B29C 49/685Rotating the preform in relation to heating means152
- B29C 49/681Using a conditioning receptacle53
- B29C 49/6845Using ventilation39
- B29C 49/682Characterised by the path29
- B29C 49/683Adjustable or modular conditioning means26
- B29C 49/6855Cooling of heating means21
- B29C 49/6825Mounting exchanging or centering ovens or parts thereof19
All 9 subgroupsShow fewer
Recent patents
- Resin molded product information management method, method for producing resin container, resin molded product information management device, and blow molding device6 Oct 2026US 12,752,473 B2Nissei Asb Machine Co., Ltd.
- Bottle preform heating apparatus15 Sep 2026US 12,734,744 B2Guangzhou Tech-Long Packaging Machinery Co., Ltd
- Apparatus and method for heating plastic preforms with spatially resolved temperature detection18 Aug 2026US 12,709,051 B2Krones AG
- System for producing plastic containers with universally usable changing robot and method therefore11 Aug 2026US 12,703,138 B2Krones AG
- Plastic container with internal liner and method of forming plastic container28 Jul 2026US 12,691,627 B2Plastipak Packaging, Inc.
- Heater for a preform used in container manufacturing20 Aug 2026US 2026/0241629 A1Discma AG
- Method of forming containers using a manufacturing cell20 Aug 2026US 2026/0241630 A1Discma AG
- Device for mounting and/or disassembling a spinner nose, and application to a preform thermal conditioning unit30 Jul 2026US 2026/0216942 A1Sidel Participations
- Method for controlling a heating station23 Jul 2026US 2026/0208429 A1Sidel Participations
- Heating system for heating plastic material preforms5 Mar 2026US 2026/0061690 A1S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
Most cited
By later US patents
- Device for conveying and checking containers, in particular preforms77US 6,808,382 B22004
- Oriented polymeric products67US 6,053,214 AUponor N.V. · 2000
- Heat set method for oval containers59US 4,883,631 AOwens-Illinois Plastic Products Inc. · 1989
- Method and apparatus for producing a sterile packaging container52US 6,692,684 B1Tetra Laval Holdings & Finance S. A. · 2004
- Apparatus for preparing hollow plastic articles47US 4,690,633 AHusky Injection Molding Systems Ltd. · 1987