B01J 2219/00067
Liquid level measurement
B01J2219/00067 (Liquid level measurement) appears on 51 US grants and 25 published applications in this corpus.
Search patents in B01J- Granted patents
- 51
- Published applications
- 25
- Assignees
- 45
- Inventors
- 92
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 3 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for and process of making pseudoionone and hydroxy pseudoionone22 Apr 2025US 12,280,353 B2BASF SE
- Systems and methods for producing synthesis gas24 Dec 2024US 12,172,894 B1Board of Regents, The University of Texas System
- Centric spray pipe9 Jul 2024US 12,030,966 B2Lummus Novolen Technology GmbH
- Post-processing apparatus11 Jun 2024US 12,006,392 B2LG Chem.Ltd.
- Liquid process assembly28 Feb 2023US 11,590,470 B2Nitech Solutions Limited
- Production device10 Jul 2025US 2025/0224702 A1Niterra Co., Ltd.
- Systems and methods for producing synthesis gas27 Feb 2025US 2025/0066191 A1Board of Regents, The University of Texas System
- Apparatus for and process of making pseudoionone and hydroxy pseudoionone11 Apr 2024US 2024/0116019 A1BASF SE
- Post-processing apparatus8 Dec 2022US 2022/0387960 A1LG Chem.Ltd.
- Centric spray pipe22 Sep 2022US 2022/0298266 A1Lummus Novolen Technology GmbH
Most cited
By later US patents
- Aluminoxane process133US 4,908,463 AEthyl Corporation · 1990
- Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant86US 5,779,912 ALynntech, Inc. · 1998
- Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant57US 6,136,186 ALynntech, Inc. · 2000
- Gas humidification system using water permeable membranes55US 5,996,976 ALynntech, Inc. · 1999
- Use of continuously variable power in microwave assisted chemistry46US 6,288,379 B1CEM Corporation · 2001