B01F 25/441
Characterised by the configuration of the surfaces forming the slits
Official title: characterised by the configuration of the surfaces forming the slits
B01F25/441 (Characterised by the configuration of the surfaces forming the slits) appears on 182 US grants and 171 published applications in this corpus.
Search patents in B01F- Granted patents
- 182
- Published applications
- 171
- Assignees
- 140
- Inventors
- 362
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 5 |
| 2004 | 5 | 7 |
| 2005 | 1 | 5 |
| 2006 | 2 | 5 |
| 2007 | 5 | 8 |
| 2008 | 3 | 12 |
| 2009 | 3 | 4 |
| 2010 | 4 | 11 |
| 2011 | 7 | 4 |
| 2012 | 3 | 4 |
| 2013 | 7 | 7 |
| 2014 | 3 | 9 |
| 2015 | 5 | 11 |
| 2016 | 6 | 9 |
| 2017 | 5 | 5 |
| 2018 | 7 | 5 |
| 2019 | 5 | 9 |
| 2020 | 6 | 4 |
| 2021 | 4 | 9 |
| 2022 | 9 | 8 |
| 2023 | 4 | 8 |
| 2024 | 9 | 5 |
| 2025 | 3 | 13 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/4413The slits being formed between opposed conical or cylindrical surfaces76
- B01F 25/4412The slits being formed between opposed planar surfaces68
- B01F 25/4416The opposed surfaces being provided with grooves37
- B01F 25/4414The slits being formed between the balls and the seats of a8
- B01F 25/4415The slits being formed between the helical windings of a spring-like construction4
Recent patents
- Slit chamber and atomizing apparatus21 Jul 2026US 12,685,975 B2Sugino Machine Limited
- Systems, devices and methods for dispensing biocompatible reactive formulations and controlling cross-linking of the reactive components of the biocompatible reactive formulations3 Feb 2026US 12,539,374 B2Ethicon, Inc.
- Exhaust-gas treatment arrangement2 Sep 2025US 12,404,796 B2Purem GmbH
- Static mixer inserts and static mixers incorporating same1 Apr 2025US 12,263,454 B2
- Valve18 Mar 2025US 12,253,183 B2Gea Mechanical Equipment Italia S.P.A.
- A guiding device for guiding an impact head and a homogenizing valve comprising said guiding device18 Jun 2026US 2026/0166500 A1Gea Mechanical Equipment Italia S.P.A.
- Nanobubble generation in fluid flow19 Mar 2026US 2026/0077319 A1Moleaer, Inc.
- Coaxial flow device for nanoparticle preparation and manufacturing equipment including such device25 Dec 2025US 2025/0387764 A1Pfizer Inc.
- fluid mixing device4 Dec 2025US 2025/0367616 A1
- Disk stack foamer apparatus used in making cementitious foam4 Dec 2025US 2025/0367855 A1
Most cited
By later US patents
- Syringe assembly and method for lyophilizing and reconstituting injectable medication126US 5,489,266 ABecton, Dickinson and Company · 1996
- Method of obtaining a free disperse system in liquid and device for effecting the same99US 5,810,052 AFive Star Technologies, Inc. · 1998
- High pressure homogenizer pump98US 4,773,833 AAPV Gaulin, Inc. · 1988
- Method and apparatus for producing ultra-thin emulsions and dispersions78US 5,931,771 A1999
- Method and apparatus of producing liquid disperse systems74US 5,971,601 A1999