B29B 7/401
Having a casing closely surrounding the rotor
Official title: {having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material (B29B7/407, B29B7/42 take precedence)}
B29B7/401 (Having a casing closely surrounding the rotor) appears on 77 US grants and 66 published applications in this corpus.
Search patents in B29B- Granted patents
- 77
- Published applications
- 66
- Assignees
- 73
- Inventors
- 177
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 5 |
| 2003 | 5 | 1 |
| 2004 | 4 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 4 |
| 2016 | 3 | 0 |
| 2017 | 2 | 1 |
| 2018 | 4 | 7 |
| 2019 | 2 | 4 |
| 2020 | 2 | 3 |
| 2021 | 5 | 5 |
| 2022 | 2 | 5 |
| 2023 | 2 | 1 |
| 2024 | 3 | 5 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Process for high shear gas-liquid reactions79US 6,742,774 B2Holl Technologies Company · 2004
- Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof69US 6,071,976 ANippon Shokubai Co., Ltd. · 2000
- Solid freeform fabrication using chemically reactive suspensions67US 6,454,972 B1Sandia Corporation · 2002
- Continuous mixer for liquids with rotor and casing gap adjustment57US 5,902,042 ADow Corning Toray Silicone Co., Ltd. · 1999
- Stationary in-line mixer56US 5,887,977 AUniflows Co., Ltd. · 1999