B29B 7/7663
The mixing head having an outlet tube with a reciprocating plunger
Official title: {the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube}
B29B7/7663 (The mixing head having an outlet tube with a reciprocating plunger) appears on 275 US grants and 117 published applications in this corpus.
Search patents in B29B- Granted patents
- 275
- Published applications
- 117
- Assignees
- 109
- Inventors
- 357
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 11 | 0 |
| 1984 | 15 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 2 |
| 2003 | 5 | 7 |
| 2004 | 2 | 14 |
| 2005 | 3 | 9 |
| 2006 | 5 | 5 |
| 2007 | 8 | 5 |
| 2008 | 5 | 9 |
| 2009 | 9 | 6 |
| 2010 | 4 | 4 |
| 2011 | 1 | 5 |
| 2012 | 1 | 3 |
| 2013 | 2 | 4 |
| 2014 | 5 | 2 |
| 2015 | 0 | 5 |
| 2016 | 5 | 2 |
| 2017 | 2 | 0 |
| 2018 | 4 | 3 |
| 2019 | 0 | 1 |
| 2020 | 0 | 6 |
| 2021 | 2 | 11 |
| 2022 | 3 | 3 |
| 2023 | 4 | 4 |
| 2024 | 9 | 1 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rubber composition manufacturing method, tire manufacturing method, and rubber composition manufacturing apparatus7 Oct 2025US 12,434,409 B2Toyo Tire Corporation
- Lubricated mixing device for reaction plastics and method for generating reaction plastics19 Aug 2025US 12,390,778 B2KraussMaffei Technologies GmbH
- Injector device for an apparatus suitable for mixing chemically reactive components29 Jul 2025US 12,370,509 B2Afros S. P. A.
- System and method to auto-pressurize prior to dispense in a circulation dispense system22 Oct 2024US 12,122,068 B2Graco Minnesota Inc.
- Foam-in-bag systems and components thereof8 Oct 2024US 12,109,731 B2Sealed Air Corporation (US)
- Method for producing components from polyurethane in a shot method16 Apr 2026US 2026/0102952 A1Hennecke GmbH
- High pressure mixing head for continuously producing polymeric foam20 Nov 2025US 2025/0353217 A1Afros S. P. A.
- Injection head for expandable polymer foams with anti-seize control21 Aug 2025US 2025/0262631 A1Astom Corporation
- Mixing head and method for producing a mixing head16 Jan 2025US 2025/0018608 A1KraussMaffei Technologies GmbH
- Sensorized spacer, related mixing head and related apparatus11 Apr 2024US 2024/0116254 A1Afros S. P. A.
Most cited
By later US patents
- Method for making an abrasive article and abrasive articles thereof113US 6,179,887 B23M Innovative Properties Company · 2001
- Injection system for foamable compositions55US 4,898,327 ASealed Air Corporation · 1990
- Foam dispensing gun with improved mixing chamber52US 4,708,292 AOlin Corporation · 1987
- Apparatus for mixing and dispensing a plurality of components with injected low pressure gas52US 5,219,097 APolyfoam Products, Inc. · 1993
- System for filling a mold with reactive synthetic-resin components50US 3,975,128 AKrauss-Maffei Aktiengesellschaft · 1976