B29B 7/7404
Mixing devices specially adapted for foamable substances
Official title: {Mixing devices specially adapted for foamable substances (B29B7/76 takes precedence)}
B29B7/7404 (Mixing devices specially adapted for foamable substances) appears on 354 US grants and 244 published applications in this corpus.
Search patents in B29B- Granted patents
- 354
- Published applications
- 244
- Assignees
- 195
- Inventors
- 691
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 13 | 0 |
| 1979 | 12 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 11 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 5 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 6 |
| 2003 | 5 | 8 |
| 2004 | 3 | 12 |
| 2005 | 4 | 10 |
| 2006 | 5 | 9 |
| 2007 | 7 | 5 |
| 2008 | 3 | 9 |
| 2009 | 3 | 4 |
| 2010 | 6 | 8 |
| 2011 | 4 | 10 |
| 2012 | 7 | 3 |
| 2013 | 2 | 6 |
| 2014 | 7 | 12 |
| 2015 | 7 | 10 |
| 2016 | 5 | 14 |
| 2017 | 11 | 5 |
| 2018 | 6 | 21 |
| 2019 | 10 | 12 |
| 2020 | 13 | 15 |
| 2021 | 10 | 16 |
| 2022 | 14 | 16 |
| 2023 | 7 | 18 |
| 2024 | 15 | 6 |
| 2025 | 7 | 8 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation of foamed silicone elastomers8 Sep 2026US 12,729,279 B2Dow Global Technologies LLC
- Aerosol can configuration14 Apr 2026US 12,600,558 B2
- Method of making flat foam sheet comprising recycled pet and the product resulting therefrom24 Mar 2026US 12,583,203 B2MuCell Extrusion, LLC
- Dispensing nozzle having a tubular exit zone comprising vanes10 Feb 2026US 12,544,775 B2Ddp Specialty Electronic Materials US, LLC
- Method and apparatus for producing solid foam, product and use20 Jan 2026US 12,528,231 B2Woamy Oy
- Apparatus for pressurizing polymer particles23 Apr 2026US 2026/0109831 A1FOX Velution GmbH
- Injection head for expandable polymer foams with anti-seize control21 Aug 2025US 2025/0262631 A1Astom Corporation
- Systems, methods, and apparatuses for foam air mixing24 Jul 2025US 2025/0235831 A1Graco Minnesota Inc.
- Starch-cellulose composite material12 Jun 2025US 2025/0188679 A1Pratt Corrugated Holdings, Inc.
- Mixer having different diameters for applicator for producing multiple component mixture5 Jun 2025US 2025/0177932 A1
Most cited
By later US patents
- Microcellular foams of semi-crystaline polymeric materials152US 5,160,674 AMassachusetts Institute of Technology · 1992
- Two-component foam dispensing apparatus113US 5,344,051 AInsta-Foam Products, Inc. · 1994
- Frothable polyurethane composition and a cellular foam produced therefrom suitable for use in joints between wallboards83US 4,275,172 AUnion Carbide Corporation · 1981
- Extruder for plastics74US 6,074,084 AGefinex-Jackson GmbH · 2000
- Method & apparatus for metering flow of a two-component dispensing system73US 5,332,125 ANordson Corporation · 1994