B29C 49/0031
Making articles having hollow walls
Official title: {Making articles having hollow walls}
B29C49/0031 (Making articles having hollow walls) appears on 150 US grants and 146 published applications in this corpus.
Search patents in B29C- Granted patents
- 150
- Published applications
- 146
- Assignees
- 44
- Inventors
- 174
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 10 |
| 2004 | 2 | 2 |
| 2005 | 5 | 10 |
| 2006 | 10 | 7 |
| 2007 | 5 | 6 |
| 2008 | 5 | 7 |
| 2009 | 8 | 6 |
| 2010 | 5 | 2 |
| 2011 | 6 | 4 |
| 2012 | 2 | 5 |
| 2013 | 7 | 7 |
| 2014 | 5 | 9 |
| 2015 | 3 | 8 |
| 2016 | 4 | 6 |
| 2017 | 5 | 6 |
| 2018 | 1 | 3 |
| 2019 | 6 | 10 |
| 2020 | 2 | 4 |
| 2021 | 6 | 8 |
| 2022 | 7 | 8 |
| 2023 | 7 | 5 |
| 2024 | 4 | 7 |
| 2025 | 7 | 2 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Decorative plastic panel and method of fabricating decorative plastic panels19 May 2026US 12,631,030 B2Suncast Technologies, LLC
- Segment and system for a Scruton helix, Scruton helix, tower and method for mounting a Scruton helix17 Mar 2026US 12,577,940 B2Nordex Energy GmbH
- Method and apparatus for forming plastic preforms into plastic containers with intermediate blowing pressure control10 Mar 2026US 12,570,036 B2Krones AG
- Material processing method and molding machine17 Feb 2026US 12,552,086 B2Versa 3 Technology Co., Ltd.
- Double-wall container, method for manufacturing double-wall container, and inversion device6 Jan 2026US 12,515,871 B2Nissei Asb Machine Co., Ltd.
- Molded plastic structures19 Jun 2025US 2025/0194791 A1Lifetime Products, Inc.
- Molded plastic structures1 May 2025US 2025/0134245 A1Lifetime Products, Inc.
- Decorative plastic panel and method of fabricating decorative plastic panels24 Oct 2024US 2024/0352745 A1Suncast Technologies, LLC
- Hollow Fusion Panel Made of a Combination of New and Recycled Materials and Producing Method Thereof3 Oct 2024US 2024/0326373 A1
- Material processing method and molding machine26 Sep 2024US 2024/0316840 A1Versa 3 Technology Co., Ltd.
Most cited
By later US patents
- Molded container case with hinge and method for making same165US 4,615,464 ACustom-Pak, Inc. · 1986
- High-strength, lightweight blow-molded plastic structures106US 7,171,910 B2Lifetime Products, Inc. · 2007
- Method of manufacturing an air cushion91US 5,925,306 A1999
- Portable folding table with locking hinge91US 7,640,870 B2Lifetime Products, Inc. · 2010
- Edge and corner for a table top89US 7,111,563 B2Lifetime Products, Inc. · 2006