B29C 44/461
Dispensing apparatus
Official title: {dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface}
B29C44/461 (Dispensing apparatus) appears on 136 US grants and 80 published applications in this corpus.
Search patents in B29C- Granted patents
- 136
- Published applications
- 80
- Assignees
- 80
- Inventors
- 279
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 5 |
| 2003 | 1 | 4 |
| 2004 | 4 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 5 | 4 |
| 2014 | 3 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 6 | 4 |
| 2018 | 5 | 2 |
| 2019 | 4 | 6 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 1 | 9 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Panel member production line30 Jun 2026US 12,668,003 B2Dow Global Technologies LLC
- Foaming apparatus and foaming method31 Mar 2026US 12,589,369 B2Threebond Co., Ltd.
- Dispenser and nozzle for discharging mixture of gas and paste material and mechanical foaming device16 Dec 2025US 12,496,599 B2Sunstar Engineering Inc.
- Foaming mixture dispensing apparatus and method16 Sep 2025US 12,415,300 B2Dow Global Technologies LLC
- Flexible film fluid-dispensing device24 Dec 2024US 12,172,349 B2Dow Global Technologies LLC
- Hot melt adhesive foam dispensing system implementing a heat exchanger and process implementing a hot melt adhesive foam dispensing system25 Jun 2026US 2026/0175239 A1Nordson Corporation
- Air supply of application device for producing multiple component mixture29 May 2025US 2025/0170763 A1
- Apparatus and method for applying a foaming reaction mixture onto a laminator using a diverging nozzle27 Feb 2025US 2025/0065544 A1Dow Global Technologies LLC
- Foaming apparatus and foaming method21 Mar 2024US 2024/0091722 A1Threebond Co., Ltd.
- Silicone rubber foam with thermal insulation properties25 May 2023US 2023/0159718 A13M Innovative Properties Company
Most cited
By later US patents
- Method for providing continuous processing of microcellular and supermicrocellular foamed materials117US 5,866,053 AMassachusetts Institute of Technology · 1999
- Method and apparatus for microcellular polymer extrusion107US 6,284,810 B1Trexel, Inc. · 2001
- Method and apparatus for microcellular polymer extrusion105US 6,884,377 B1Trexel, Inc. · 2005
- Apparatus and methods for applying discrete foam coatings67US 5,429,840 ANordson Corporation · 1995
- Method of moulding foamed synthetic resin pellets of polyolefine66US 3,953,558 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1976