B29B 7/74
Mixing: using other mixers or combinations of mixers
Official title: using other mixers or combinations of {mixers, e.g. of} dissimilar mixers {; Plant}
B29B7/74 (Mixing: using other mixers or combinations of mixers) appears on 1,867 US grants and 1,467 published applications in this corpus.
Search patents in B29B- Granted patents
- 1,867
- Published applications
- 1,467
- Assignees
- 857
- Inventors
- 3,582
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 29 | 0 |
| 1978 | 44 | 0 |
| 1979 | 30 | 0 |
| 1980 | 22 | 0 |
| 1981 | 29 | 0 |
| 1982 | 20 | 0 |
| 1983 | 25 | 0 |
| 1984 | 38 | 0 |
| 1985 | 30 | 0 |
| 1986 | 22 | 0 |
| 1987 | 30 | 0 |
| 1988 | 27 | 0 |
| 1989 | 44 | 0 |
| 1990 | 40 | 0 |
| 1991 | 39 | 0 |
| 1992 | 54 | 0 |
| 1993 | 43 | 0 |
| 1994 | 40 | 0 |
| 1995 | 33 | 0 |
| 1996 | 28 | 0 |
| 1997 | 26 | 0 |
| 1998 | 24 | 0 |
| 1999 | 45 | 0 |
| 2000 | 34 | 0 |
| 2001 | 40 | 12 |
| 2002 | 35 | 50 |
| 2003 | 30 | 39 |
| 2004 | 27 | 56 |
| 2005 | 28 | 49 |
| 2006 | 27 | 57 |
| 2007 | 29 | 36 |
| 2008 | 22 | 50 |
| 2009 | 33 | 44 |
| 2010 | 31 | 34 |
| 2011 | 16 | 52 |
| 2012 | 32 | 50 |
| 2013 | 29 | 59 |
| 2014 | 36 | 62 |
| 2015 | 49 | 78 |
| 2016 | 42 | 71 |
| 2017 | 58 | 65 |
| 2018 | 53 | 93 |
| 2019 | 55 | 88 |
| 2020 | 55 | 91 |
| 2021 | 62 | 80 |
| 2022 | 74 | 73 |
| 2023 | 53 | 77 |
| 2024 | 57 | 47 |
| 2025 | 43 | 37 |
| 2026 | 29 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29B 7/7476Systems, i.e. flow charts or diagrams911
- B29B 7/76Mixers with stream-impingement mixing head424
- B29B 7/7404Mixing devices specially adapted for foamable substances354
- B29B 7/7438Mixing guns, i.e. hand-held mixing units having dispensing means273
- B29B 7/7461Combinations of dissimilar mixers228
- B29B 7/7466Combinations of similar mixers98
- B29B 7/7471Mixers in which the mixing takes place at the inlet of a88
- B29B 7/7457Mixing heads without moving stirrer56
All 9 subgroupsShow fewer
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Most cited
By later US patents
- Additive inventory control, batching and delivery system169US 4,525,071 ACrawford & Russell, Inc. · 1985
- Microcellular foams of semi-crystaline polymeric materials152US 5,160,674 AMassachusetts Institute of Technology · 1992
- Purgeable dispensing gun for polyurethane foam and the like137US 4,117,551 A1978
- Two-component foam dispensing apparatus113US 5,344,051 AInsta-Foam Products, Inc. · 1994
- Method for making an abrasive article and abrasive articles thereof113US 6,179,887 B23M Innovative Properties Company · 2001