B29C 49/541
Having a recessed undersurface
Official title: {having a recessed undersurface}
B29C49/541 (Having a recessed undersurface) appears on 151 US grants and 141 published applications in this corpus.
Search patents in B29C- Granted patents
- 151
- Published applications
- 141
- Assignees
- 65
- Inventors
- 213
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 5 |
| 2003 | 3 | 0 |
| 2004 | 2 | 5 |
| 2005 | 1 | 5 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 6 |
| 2012 | 2 | 1 |
| 2013 | 2 | 7 |
| 2014 | 4 | 16 |
| 2015 | 6 | 11 |
| 2016 | 9 | 10 |
| 2017 | 12 | 14 |
| 2018 | 7 | 4 |
| 2019 | 14 | 9 |
| 2020 | 8 | 7 |
| 2021 | 7 | 6 |
| 2022 | 4 | 6 |
| 2023 | 7 | 7 |
| 2024 | 9 | 6 |
| 2025 | 1 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mold and stretch-blow molded polyester bottle28 Jul 2026US 12,691,629 B2Alpla Werke Alwin Lehner GmbH & Co. KG
- Method of processing a plastic container to increase internal pressure17 Mar 2026US 12,577,027 B2
- Modular blow mold system for blow molding a container4 Nov 2025US 12,459,189 B2PepsiCo, Inc.
- Apparatus for blow-molding plastic containers31 Dec 2024US 12,179,409 B2Sacmi Imola S.C.
- Method of handling a plastic container having a moveable base31 Dec 2024US 12,179,986 B2CO2PAC Limited
- Method of processing a plastic container to increase internal pressure23 Jul 2026US 2026/0208939 A1CO2PAC Limited
- Vacuum absorbing, blow molded, container base22 Jan 2026US 2026/0021623 A1Amcor Rigid Packaging USA, LLC
- Mold unit3 Jul 2025US 2025/0214295 A1Sumitomo Heavy Industries, Ltd.
- Blow molding mold unit and resin container manufacturing device26 Jun 2025US 2025/0205960 A1Nissei Asb Machine Co., Ltd.
- Method of processing a plastic container to increase internal pressure23 Jan 2025US 2025/0026556 A1CO2PAC Limited
Most cited
By later US patents
- Bottle having ribbed bottom165US 4,134,510 AOwens-Illinois, Inc. · 1979
- Method of forming wide-mouth, heat-set, pinch-grip containers150US 6,277,321 B1Schmalbach-Lubeca AG · 2001
- Pressure resisting plastic bottle125US 4,465,199 A1984
- Method of forming container with high-crystallinity sidewall and low-crystallinity base122US 5,829,614 AContinental PET Technologies, Inc. · 1998
- Multi-functional base for a plastic, wide-mouth, blow-molded container114US 6,612,451 B2Graham Packaging Company L. P. · 2003