B29C 66/7318
Permeability to gases or liquids
Official title: {Permeability to gases or liquids}
B29C66/7318 (Permeability to gases or liquids) appears on 62 US grants and 80 published applications in this corpus.
Search patents in B29C- Granted patents
- 62
- Published applications
- 80
- Assignees
- 62
- Inventors
- 144
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 4 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 2 | 6 |
| 2012 | 1 | 6 |
| 2013 | 4 | 2 |
| 2014 | 0 | 4 |
| 2015 | 4 | 6 |
| 2016 | 2 | 5 |
| 2017 | 4 | 5 |
| 2018 | 5 | 7 |
| 2019 | 6 | 2 |
| 2020 | 2 | 6 |
| 2021 | 2 | 3 |
| 2022 | 4 | 6 |
| 2023 | 5 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for production of foam laminate product14 Jul 2026US 12,679,065 B2Proprietect L.P.
- Stretch layered sheet, disposable wearing article, and method and device for manufacturing stretch layered sheet14 Apr 2026US 12,599,513 B2Zuiko Corporation
- Life jacket, air blowing member and method for combining there of19 Aug 2025US 12,391,349 B2
- Method for the production of at least one aroma protection valve, and aroma protection valve19 Aug 2025US 12,391,449 B2Syntegon Technology GmbH
- Fusion structure, inflatable product having the fusion structure, manufacturing method thereof, and rapidly produced inflatable product having covering layer simultaneously positioned with inflatable body20 May 2025US 12,304,155 B2Innovator Plastic & Electronics (Huizhou) Co Ltd
- Support surface for a patient support apparatus and method for forming an inflatable bladder assembly for a support surface4 Jun 2026US 2026/0151284 A1Umano Medical Inc.
- Support surface for a patient support apparatus and method for forming an inflatable bladder assembly for a support surface4 Jun 2026US 2026/0151285 A1Umano Medical Inc.
- Reinforced surgical table mattresses and pads26 Mar 2026US 2026/0083403 A1Augustine Temperature Management LLC
- Method of manufacturing before-use dissolution infusion bag13 Nov 2025US 2025/0346002 A1FUJIFILM Corporation
- Seam construction using radio frequency welding and tape16 Oct 2025US 2025/0319666 A1Weltop Outdoor (HK) Co., Ltd.
Most cited
By later US patents
- Seam having liquid proof threads stichably securing first and second liquid proof materials foldably enclosing a meltable adhesive polymer film and method of manufacture of same86US 5,003,902 ASuperior Surgical Manufacturing Co. Inc. · 1991
- Container for medical use34US 4,465,487 ATerumo Kabushiki Kaisha · 1984
- Packing sheet34US 5,194,315 AKabushiki-Kaisha Taihei-Sansho · 1993
- Liquidproof seam for protective footwear34US 7,356,946 B2Gore Enterprise Holdings, Inc. · 2008
- Sealing apparatus and manufacturing process of soft article having sealed portion27US 7,059,103 B2Uni-Charm Corporation · 2006