B29D 23/20
Flexible squeeze tubes
Official title: Flexible squeeze tubes, e.g. for cosmetics
B29D23/20 (Flexible squeeze tubes) appears on 103 US grants and 59 published applications in this corpus.
Search patents in B29D- Granted patents
- 103
- Published applications
- 59
- Assignees
- 70
- Inventors
- 179
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 3 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 0 |
| 2014 | 2 | 7 |
| 2015 | 1 | 4 |
| 2016 | 5 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 4 |
| 2020 | 0 | 1 |
| 2021 | 3 | 4 |
| 2022 | 0 | 1 |
| 2023 | 2 | 4 |
| 2024 | 0 | 1 |
| 2025 | 1 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packaging in which the weld is concealed in the print and manufacturing method20 Jan 2026US 12,528,631 B2Aisapack Holding S.A.
- Tubular container and method for producing same4 Feb 2025US 12,214,933 B2Toppan Printing Co., Ltd.
- Tubular container and method for producing same10 Oct 2023US 11,780,648 B2Toppan Printing Co., Ltd.
- Integrated squeezable containers and manufacture thereof25 Jul 2023US 11,708,195 B2Klecher, LLC
- Sonotrode and anvil for ultrasonic welding of plastics, method for producing a plastic container26 Oct 2021US 11,155,043 B2Resilux
- Tube container, tube container with content, and manufacturing method of tube container27 Nov 2025US 2025/0361073 A1Fuji Seal International, Inc.
- Single-component injection molded vial with integral male luer lock fitting for fluid products, such as medical, pharmaceutical, cosmetic, food products or the like23 Oct 2025US 2025/0326167 A1Lameplast S.p.A.
- Device and method for forming a tube head blank of a tube blank28 Aug 2025US 2025/0269613 A1Hoffmann Neopac AG
- Method and apparatus for expanding tube blanks31 Jul 2025US 2025/0242401 A1Hoffmann Neopac AG
- Packaging in which the weld is concealed in the print and manufacturing method13 Jun 2024US 2024/0190632 A1Aisapack Holding S.A.
Most cited
By later US patents
- Method of making same256US 4,187,271 AOwens-Corning Fiberglas Corporation · 1980
- Thin-wall, seamless, porous polytetrafluoroethylene tube134US 5,620,763 AW. L. Gore & Associates, Inc. · 1997
- Method of making fiber-reinforced catheter introducer115US 5,514,236 ACordis Corporation · 1996
- Container such as a nursing container, with flexible liner91US 4,657,151 ABaxter Travenol Laboratories, Inc. · 1987
- One-piece dispensing system and method for making same90US 5,927,566 AAptarGroup, Inc. · 1999