G05D 11/138
By sensing the concentration of the mixture
Official title: {by sensing the concentration of the mixture, e.g. measuring pH value}
G05D11/138 (By sensing the concentration of the mixture) appears on 165 US grants and 166 published applications in this corpus.
Search patents in G05D- Granted patents
- 165
- Published applications
- 166
- Assignees
- 145
- Inventors
- 468
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 5 |
| 2003 | 2 | 5 |
| 2004 | 7 | 9 |
| 2005 | 3 | 8 |
| 2006 | 6 | 6 |
| 2007 | 3 | 5 |
| 2008 | 4 | 5 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 3 | 9 |
| 2013 | 4 | 6 |
| 2014 | 4 | 8 |
| 2015 | 6 | 12 |
| 2016 | 4 | 7 |
| 2017 | 7 | 5 |
| 2018 | 5 | 7 |
| 2019 | 5 | 7 |
| 2020 | 9 | 9 |
| 2021 | 4 | 15 |
| 2022 | 7 | 8 |
| 2023 | 6 | 6 |
| 2024 | 11 | 9 |
| 2025 | 7 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Installation and method for distributing a gas mixture11 Aug 2026US 12,702,960 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems and methods for monitoring and controlling dilution rates5 May 2026US 12,616,947 B2Sonny's HFI Holdings, LLC
- Gas flow controller and a valve pin for a gas flow controller24 Mar 2026US 12,582,795 B2Intersurgical AG
- Buffer management system with manifold for bioprocessing system9 Dec 2025US 12,491,481 B2Pall Corporation
- Controlled blending of transmix fractions into defined hydrocarbon streams26 Aug 2025US 12,398,334 B2Texon Midstream, LLC
- Method and apparatus for corrosion mitigation in wet pipes30 Jul 2026US 2026/0218837 A1General Air Products, Inc.
- Pressure compensated venturi dispensing system18 Sep 2025US 2025/0290243 A1Delaware Capital Formation, Inc.
- Concentration measurement device14 Aug 2025US 2025/0258088 A1Sony Group Corporation
- Method of controlling mixed liquid to be delivered for spm solution15 May 2025US 2025/0155903 A1Pnc Process Systems Co., Ltd.
- Composition mixture control of efem environment20 Mar 2025US 2025/0093890 A1Lam Research Corporation
Most cited
By later US patents
- Apparatus for the monitored metering of no into patients' respiratory air487US 5,531,218 AMesser Griesheim GmbH · 1996
- Apparatus and method for controlling output of an oxygen concentrator97US 5,746,806 ANellcor Puritan Bennett LLC · 1998
- Apparatus for administering a controlled dosage of a chemical substance having an improved culture chamber74US 4,618,586 AEndotronics, Inc. · 1986
- Ratio feed detergent controller and method with automatic feed rate learning capability73US 5,500,050 ADiversey, Inc. · 1996
- Apparatus for blending and controlling the concentration of a liquid chemical in a diluent liquid73US 5,522,660 AFSI International, Inc. · 1996