B29B 7/7694
Comprising recirculation channels
Official title: {comprising recirculation channels; ducts formed in the plunger}
B29B7/7694 (Comprising recirculation channels) appears on 110 US grants and 57 published applications in this corpus.
Search patents in B29B- Granted patents
- 110
- Published applications
- 57
- Assignees
- 53
- Inventors
- 161
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 5 |
| 2009 | 5 | 3 |
| 2010 | 3 | 4 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 4 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricated mixing device for reaction plastics and method for generating reaction plastics19 Aug 2025US 12,390,778 B2KraussMaffei Technologies GmbH
- System and method to auto-pressurize prior to dispense in a circulation dispense system22 Oct 2024US 12,122,068 B2Graco Minnesota Inc.
- Method and apparatus for preparing and dispensing a mixture obtained by mixing chemically reactive components, at least one of which containing a filler material23 Jul 2024US 12,042,955 B2Afros S. P. A.
- High-pressure mixing device with sensored self-cleaning delivery duct20 Feb 2024US 11,904,504 B2Afros S.P.A.
- Monitored mixture and dosing head24 Oct 2023US 11,794,394 B2Afros S. P. A.
- 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.
- 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.
- Device and method for mixing at least two chemically reactive plastics components12 Oct 2023US 2023/0321874 A1KraussMaffei Technologies GmbH
Most cited
By later US patents
- Method for making an abrasive article and abrasive articles thereof113US 6,179,887 B23M Innovative Properties Company · 2001
- System for filling a mold with reactive synthetic-resin components50US 3,975,128 AKrauss-Maffei Aktiengesellschaft · 1976
- Polishing pad37US 6,837,781 B2Rogers Inoac Corporation · 2005
- Apparatus for dispensing a mixture of mutually reactive liquids36US 4,523,696 AGusmer Corporation · 1985
- Process for manufacturing laminated bath tub or shower tray36US 4,938,825 AArmitage Shanks Limited · 1990