B01F 21/30
Workflow diagrams or layout of plants
Official title: {Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means}
B01F21/30 (Workflow diagrams or layout of plants) appears on 139 US grants and 133 published applications in this corpus.
Search patents in B01F- Granted patents
- 139
- Published applications
- 133
- Assignees
- 111
- Inventors
- 326
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 5 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 1 | 2 |
| 2012 | 3 | 5 |
| 2013 | 1 | 8 |
| 2014 | 2 | 6 |
| 2015 | 4 | 8 |
| 2016 | 4 | 4 |
| 2017 | 6 | 7 |
| 2018 | 3 | 3 |
| 2019 | 14 | 18 |
| 2020 | 6 | 7 |
| 2021 | 10 | 8 |
| 2022 | 7 | 10 |
| 2023 | 4 | 5 |
| 2024 | 8 | 9 |
| 2025 | 9 | 4 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods, and apparatuses for producing and packaging fluids2 Jun 2026US 12,642,746 B2DEKA Products Limited Partnership
- Systems and methods for estimation of workflow execution time26 May 2026US 12,639,649 B2The Toronto-Dominion Bank
- Acid mixing system19 May 2026US 12,629,463 B2Isopure, Corp.
- Solution preparation device, and solution replacement system and method31 Mar 2026US 12,589,365 B2
- High efficiency brine maker17 Mar 2026US 12,576,369 B2Brine Masters, LLC
- Systems and methods for estimation of workflow execution time24 Sep 2026US 2026/0289460 A1The Toronto-Dominion Bank
- Acid mixing system17 Sep 2026US 2026/0273148 A1Isopure, Corp.
- Method, device, and system for formulating semiconductor material2 Jul 2026US 2026/0183724 A1Samsung Electronics Co., Ltd.
- Easy clean out brine maker25 Jun 2026US 2026/0175180 A1Brine Masters, LLC
- Solid chemical dissolution system with small footprint and limited offgassing15 Jan 2026US 2026/0014531 A1Ecolab USA Inc.
Most cited
By later US patents
- Multifunctional blending equipment139US 10,870,093 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2020
- Dialysis solution preparation from prepackaged dry chemicals96US 4,664,891 ARenal Systems, Inc. · 1987
- Solid chemical dispenser with movable nozzle59US 5,505,915 AEcolab Inc. · 1996
- Dialysis solution mixing system51US 4,734,198 AMinntech Corporation · 1988
- Device for preparing dialysate for a dialysis machine51US 7,077,956 B2Gambro Lundia AB · 2006