B29C 2949/302
At bottom portion
Official title: at bottom portion
B29C2949/302 (At bottom portion) appears on 592 US grants and 520 published applications in this corpus.
Search patents in B29C- Granted patents
- 592
- Published applications
- 520
- Assignees
- 167
- Inventors
- 695
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 14 | 0 |
| 1989 | 6 | 0 |
| 1990 | 16 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 18 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 22 | 7 |
| 2002 | 23 | 21 |
| 2003 | 17 | 25 |
| 2004 | 19 | 25 |
| 2005 | 10 | 37 |
| 2006 | 5 | 41 |
| 2007 | 13 | 24 |
| 2008 | 14 | 46 |
| 2009 | 15 | 34 |
| 2010 | 15 | 35 |
| 2011 | 19 | 19 |
| 2012 | 25 | 21 |
| 2013 | 17 | 7 |
| 2014 | 19 | 13 |
| 2015 | 11 | 16 |
| 2016 | 8 | 14 |
| 2017 | 8 | 9 |
| 2018 | 14 | 13 |
| 2019 | 9 | 17 |
| 2020 | 14 | 21 |
| 2021 | 13 | 23 |
| 2022 | 13 | 21 |
| 2023 | 14 | 16 |
| 2024 | 16 | 3 |
| 2025 | 13 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preforms for flair applications7 Jul 2026US 12,673,448 B2
- Preform for forming double container12 May 2026US 12,623,395 B2Yoshino Kogyosho Co., Ltd.
- Machine and method for injection molding multilayer articles having a high proportion of internal layer material7 Apr 2026US 12,594,702 B2Husky Injection Molding Systems Ltd.
- Bottle-forming preform with a multilayered wall, and gaseous beverage bottle obtained with such a preform17 Mar 2026US 12,576,575 B2Societe des Produits Nestle S. A.
- Method and device for manufacturing resin-made container6 Jan 2026US 12,515,392 B2Nissei Asb Machine Co., Ltd.
- Bottle-forming preform with a multilayered wall, and gaseous beverage bottle obtained with such a preform25 Jun 2026US 2026/0175507 A1Societe des Produits Nestle S. A.
- Container and method of manufacture23 Apr 2026US 2026/0109103 A1Ring Container Technologies, LLC
- Container manufacturing method, double container manufacturing method, double container, and method for discharging contents from double container19 Mar 2026US 2026/0077551 A1Kyoraku Co., Ltd.
- Method of Manufacturing a Cartridge26 Feb 2026US 2026/0054443 A1Gaplast GmbH
- Container and method of manufacture25 Dec 2025US 2025/0387965 A1Ring Container Technologies, LLC
Most cited
By later US patents
- Squeezable multi-layer dispensing container with one-way valve197US 5,332,121 AContinental PET Technologies, Inc. · 1994
- Preform and bottle using pet/pen blends and copolymers189US 5,888,598 AThe Coca-Cola Company · 1999
- Biaxially drawn polyester vessel having resistance to heat distortion and gas barrier properties and process for preparation thereof179US 4,818,575 AToyo Seikan Kaisha, Ltd. · 1989
- Bottle-shaped container159US 4,501,781 AYoshino Kogyosho Co., Ltd. · 1985
- Multilayer plastic container and method of making the same136US 6,123,211 AAmerican National Can Company · 2000