B29C 61/0616
Layered or partially layered preforms
Official title: {layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions (B29C61/0625 and B29C61/065 take precedence)}
B29C61/0616 (Layered or partially layered preforms) appears on 197 US grants and 62 published applications in this corpus.
Search patents in B29C- Granted patents
- 197
- Published applications
- 62
- Assignees
- 112
- Inventors
- 334
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 16 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 12 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 6 |
| 2009 | 1 | 3 |
| 2010 | 1 | 7 |
| 2011 | 2 | 3 |
| 2012 | 3 | 3 |
| 2013 | 3 | 3 |
| 2014 | 5 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 2 | 5 |
| 2021 | 2 | 3 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of installing a heat shrink cover, installation kit, and installation system29 Jul 2025US 12,370,739 B2Tyco Electronics Raychem GmbH
- Tag attachment by shrink film1 Jul 2025US 12,347,343 B2Bedford Industries, Inc.
- Recyclable film and packaging13 May 2025US 12,297,030 B2Amcor Flexibles North America, Inc.
- Dual layer heat shrink tubing11 Jun 2024US 12,005,627 B2Zeus Co., Ltd.
- Lightly crosslinked polyimides with phenylethynyl pendants for shape-memory effect and programmed enhancement in Tg and modulus28 May 2024US 11,992,995 B2The United States of America as represented by the Secretary of the Air Force
- Pre-stressed and constrained transformable materials27 Feb 2025US 2025/0065558 A1Massachusetts Institute of Technology
- Dual layer heat shrink tubing3 Oct 2024US 2024/0326318 A1Zeus Co., Ltd.
- Tag Attachment by Shrink Film16 Nov 2023US 2023/0368704 A1Bedford Industries, Inc.
- Thermoformable shape-memory device and uses thereof18 May 2023US 2023/0150239 A1Millet Innovation
- Lightly Crosslinked Polyimides with Phenylethynyl Pendants for Shape-Memory Effect and Programmed Enhancement in Tg and Modulus8 Dec 2022US 2022/0388223 A1Government of the United States as Represented by the Secretary of the Air Force
Most cited
By later US patents
- Spatially modified elastic laminates175US 5,344,691 AMinnesota Mining and Manufacturing Company · 1994
- Elastomeric tapes with microtextured skin layers109US 5,354,597 AMinnesota Mining and Manufacturing Company · 1994
- Heat-recoverable sealing article with self-contained heating means and method of sealing a splice therewith107US 4,085,286 ARaychem Corporation · 1978
- Elastic film laminate102US 5,376,430 AMinnesota Mining and Manufacturing Company · 1994
- Coextruded, heat-shrinkable, multi-layer, polyolefin packaging film95US 4,352,849 AW. R. Grace & Co. · 1982