B29C 44/0461
By having different chemical compositions in different places
Official title: {by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other}
B29C44/0461 (By having different chemical compositions in different places) appears on 243 US grants and 232 published applications in this corpus.
Search patents in B29C- Granted patents
- 243
- Published applications
- 232
- Assignees
- 184
- Inventors
- 591
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 11 |
| 2003 | 5 | 7 |
| 2004 | 7 | 10 |
| 2005 | 7 | 9 |
| 2006 | 2 | 14 |
| 2007 | 4 | 13 |
| 2008 | 3 | 6 |
| 2009 | 4 | 8 |
| 2010 | 4 | 11 |
| 2011 | 5 | 14 |
| 2012 | 4 | 5 |
| 2013 | 8 | 12 |
| 2014 | 3 | 12 |
| 2015 | 5 | 11 |
| 2016 | 10 | 10 |
| 2017 | 9 | 10 |
| 2018 | 11 | 13 |
| 2019 | 11 | 8 |
| 2020 | 5 | 8 |
| 2021 | 4 | 6 |
| 2022 | 2 | 9 |
| 2023 | 6 | 6 |
| 2024 | 5 | 5 |
| 2025 | 4 | 7 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injection physical foaming inner boot and method of manufacturing inner boot by injection physical foaming18 Aug 2026US 12,708,171 B2Feng Tay Enterprises Co., Ltd.
- Sealing members4 Aug 2026US 12,697,454 B2Intersurgical AG
- Tissue repair device and molding process30 Jun 2026US 12,667,648 B2Dsm IP Assets B.V.
- Multi-shot injection molded method and product30 Jun 2026US 12,668,001 B2Zephyros, Inc.
- Sealing device and manufacturing method therefor26 May 2026US 12,638,081 B2Schaeffler Technologies AG & Co. KG
- Tissue repair device and molding process8 Oct 2026US 2026/0306718 A1Dsm IP Assets B.V.
- Multi-shot injection molded method and product17 Sep 2026US 2026/0273809 A1Zephyros, Inc.
- Assembly of a floor covering panel of a motor vehicle3 Sep 2026US 2026/0257733 A1Treves Products, Services & Innovation
- Injection physical foaming inner boot and method of manufacturing inner boot by injection physical foaming23 Jul 2026US 2026/0206909 A1Feng Tay Enterprises Co., Ltd.
- Molding device, injection molding system and molding method26 Feb 2026US 2026/0054434 A1King Steel Machinery Co., Ltd.
Most cited
By later US patents
- EVA insole manufacturing process90US 5,308,420 A1994
- Multidensity foam article and method of preparation88US 4,190,697 AMilsco Manufacturing Company · 1980
- Method of making a twin-wall internally corrugated plastic structural part with a smooth non-cellular skin87US 4,474,717 ALang Fastener Corporation · 1984
- Cavity sealing article and method85US 5,931,474 ARaychem Corporation · 1999
- Injection molding of polymeric material85US 6,884,823 B1Trexel, Inc. · 2005