B01F 35/2132
Concentration, ph, poh, p or oxygen-demand
Official title: {Concentration, pH, pOH, p(ION) or oxygen-demand (B01F35/2133 takes precedence)}
B01F35/2132 (Concentration, ph, poh, p or oxygen-demand) appears on 237 US grants and 309 published applications in this corpus.
Search patents in B01F- Granted patents
- 237
- Published applications
- 309
- Assignees
- 193
- Inventors
- 692
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 8 | 11 |
| 2003 | 4 | 9 |
| 2004 | 6 | 7 |
| 2005 | 8 | 17 |
| 2006 | 4 | 6 |
| 2007 | 6 | 7 |
| 2008 | 6 | 4 |
| 2009 | 1 | 8 |
| 2010 | 5 | 6 |
| 2011 | 3 | 4 |
| 2012 | 4 | 13 |
| 2013 | 5 | 8 |
| 2014 | 5 | 3 |
| 2015 | 3 | 6 |
| 2016 | 5 | 13 |
| 2017 | 10 | 16 |
| 2018 | 9 | 20 |
| 2019 | 13 | 21 |
| 2020 | 16 | 24 |
| 2021 | 17 | 20 |
| 2022 | 17 | 26 |
| 2023 | 11 | 9 |
| 2024 | 22 | 14 |
| 2025 | 16 | 25 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for monitoring and controlling dilution rates5 May 2026US 12,616,947 B2Sonny's HFI Holdings, LLC
- Situ treatment analysis mixing system7 Apr 2026US 12,594,531 B1Tetra Technologies, Inc.
- Carbonation device for beverages and related carbonation sensor9 Dec 2025US 12,492,114 B2Fluid-O-Tech S.R.L.
- Apparatus and process for oxidant formation9 Dec 2025US 12,492,815 B2Air Products and Chemicals, Inc.
- Portable preparation assembly and method to prepare liquid cosmetic/cleanser products25 Nov 2025US 12,478,932 B2Coral S.p.A.
- Controlling an apparatus for production of medical fluid for use in dialysis therapy1 Oct 2026US 2026/0295134 A1
- Liquid-sourdough manufacturing installation and method24 Sep 2026US 2026/0283163 A1Mauri Technology B.V.
- Hydrogen infused drinking system10 Sep 2026US 2026/0264028 A1
- Method, device, and system for formulating semiconductor material2 Jul 2026US 2026/0183724 A1Samsung Electronics Co., Ltd.
- Systems and methods for preparing reducing liquids of high oxidation reduction potential18 Jun 2026US 2026/0166502 A1Trine70 LLC
Most cited
By later US patents
- Dialysis solution preparation from prepackaged dry chemicals96US 4,664,891 ARenal Systems, Inc. · 1987
- Fluid mixing system64US 6,491,421 B2Schlumberger Technology Corporation · 2002
- Method and system for remediation of groundwater contamination58US 5,520,483 A1996
- Automatic gas blender58US 6,827,084 B22004
- Method and apparatus for blending process materials57US 6,923,568 B2Celerity, Inc. · 2005