G01L 11/04
Measuring steady or quasi-steady pressure of a fluid or a fluent solid
Official title: by acoustic means
G01L11/04 (Measuring steady or quasi-steady pressure of a fluid or a fluent solid) appears on 123 US grants and 97 published applications in this corpus.
Search patents in G01L- Granted patents
- 123
- Published applications
- 97
- Assignees
- 108
- Inventors
- 296
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 3 | 0 |
| 2009 | 0 | 4 |
| 2010 | 4 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 4 | 4 |
| 2014 | 1 | 4 |
| 2015 | 2 | 4 |
| 2016 | 9 | 8 |
| 2017 | 5 | 9 |
| 2018 | 5 | 7 |
| 2019 | 12 | 8 |
| 2020 | 9 | 4 |
| 2021 | 5 | 7 |
| 2022 | 1 | 7 |
| 2023 | 6 | 5 |
| 2024 | 6 | 4 |
| 2025 | 4 | 3 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Measurement device1 Sep 2026US 12,723,939 B2Fire Ndt Technologies Pty Ltd
- Systems and methods for non-invasive determination of properties of pressure vessels7 Jul 2026US 12,674,714 B2Kenwave Solutions Inc.
- Pressure sensor, in particular for pressures of more than 100 bar23 Jun 2026US 12,663,327 B2Endress + Hauser GmbH + Co. KG
- Sensing devices and gloves for capturing hand actions19 May 2026US 12,632,109 B2Shenzhen Shokz Co., Ltd.
- Method and system for determining the state of a sensor whose mechanical behaviour is nonlinear as a function of the amplitude of the pressure exerted24 Feb 2026US 12,560,498 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Manufacturing method of cmos acoustic pressure sensor3 Apr 2025US 2025/0112053 A1
- Washing machine fluid system diagnosis using sound signals6 Mar 2025US 2025/0075390 A1Haier US Appliance Solutions, Inc.
- Pressure sensor, in particular for pressures of more than 100 bar23 Jan 2025US 2025/0027828 A1Endress + Hauser GmbH + Co. KG
- Acoustic output devices, in-ear headphones, and wearable devices26 Dec 2024US 2024/0430610 A1Shenzhen Shokz Co., Ltd.
- Sensing devices and gloves for capturing hand actions19 Dec 2024US 2024/0419245 A1Shenzhen Shokz Co., Ltd.
Most cited
By later US patents
- Sonic apparatus and method for detecting the presence of a gaseous substance in a closed space355US 4,574,615 AThe Babcock & Wilcox Company · 1986
- Ultrasonic manometry process in a fluid by means of microbubbles182US 5,195,520 ASchering Corporation · 1993
- Method of determining pressure within liquid containing vessel157US 4,265,251 ARasor Associates, Inc. · 1981
- Nonintrusive flow sensing system149US 5,040,415 ARockwell International Corporation · 1991
- Pressure measuring system with ultrasonic wave84US 4,483,345 AFujitsu Limited · 1984