B01F 25/4322
Essentially composed of stacks of sheets
Official title: {essentially composed of stacks of sheets, e.g. corrugated sheets}
B01F25/4322 (Essentially composed of stacks of sheets) appears on 46 US grants and 49 published applications in this corpus.
Search patents in B01F- Granted patents
- 46
- Published applications
- 49
- Assignees
- 40
- Inventors
- 128
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 2 |
| 2003 | 3 | 4 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 6 |
| 2007 | 0 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 4 |
| 2018 | 3 | 2 |
| 2019 | 0 | 0 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Static mixer30 Dec 2025US 12,508,556 B2Dow Silicones Corporation
- Equipment and process for massive dissolution of gases in liquids19 May 2020US 10,654,732 B2Biotecam Assessoria e Desenvolvimento de Tecnologia Ambiental Ltda.
- Overturning device for overturning molten material and purging method7 Apr 2020US 10,611,054 B2Windmoller & Holscher
- Overturning device for overturning molten material and purging method3 Mar 2020US 10,576,660 B2Windmoller & Holscher
- Exhaust system and device to induce improved exhaust gas mixing prior to treatment through a catalytic converter6 Nov 2018US 10,119,447 B2ACAT Global
- Liquefaction enhancement device using fluid agitation, for installation in heat pump system piping line23 Jul 2026US 2026/0208132 A1Cpmh Sg Pte. Ltd.
- Disk stack foamer apparatus used in making cementitious foam4 Dec 2025US 2025/0367855 A1
- Method and system for generating nano- and microbubbles21 Dec 2023US 2023/0405538 A1
- Static mixer29 Dec 2022US 2022/0410094 A1Dow Silicones Corporation
- Equipment and process for massive dissolution of gases in liquids17 May 2018US 2018/0134593 A1Biotecam Assessoria e Desenvolvimento de Tecnologia Ambiental Ltda.
Most cited
By later US patents
- Static mixer and exhaust gas treatment device100US 7,793,494 B2J. Eberspaecher GmbH & Co. KG · 2010
- Controlled reactant injection with permeable plates54US 6,749,817 B1Uop LLC · 2004
- Diffuser with convoluted vortex generator50US 4,971,768 AUnited Technologies Corporation · 1990
- Filling member45US 5,413,872 AHeinz Faigle KG · 1995
- Corrugated packing and methods of use37US 4,710,326 A1987