G01L 9/0075
Using a ceramic diaphragm
Official title: {using a ceramic diaphragm, e.g. alumina, fused quartz, glass}
G01L9/0075 (Using a ceramic diaphragm) appears on 394 US grants and 237 published applications in this corpus.
Search patents in G01L- Granted patents
- 394
- Published applications
- 237
- Assignees
- 137
- Inventors
- 565
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 13 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 7 |
| 2002 | 16 | 13 |
| 2003 | 19 | 9 |
| 2004 | 10 | 13 |
| 2005 | 8 | 7 |
| 2006 | 14 | 31 |
| 2007 | 15 | 16 |
| 2008 | 18 | 8 |
| 2009 | 9 | 11 |
| 2010 | 9 | 10 |
| 2011 | 7 | 8 |
| 2012 | 9 | 7 |
| 2013 | 7 | 6 |
| 2014 | 4 | 6 |
| 2015 | 7 | 11 |
| 2016 | 5 | 19 |
| 2017 | 15 | 9 |
| 2018 | 16 | 6 |
| 2019 | 5 | 10 |
| 2020 | 6 | 6 |
| 2021 | 7 | 5 |
| 2022 | 4 | 6 |
| 2023 | 3 | 5 |
| 2024 | 6 | 2 |
| 2025 | 4 | 1 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Operating method for a group of pressure sensors17 Feb 2026US 12,553,786 B2Inficon GmbH
- Pressure transducer having an electromechanical converter6 Jan 2026US 12,516,996 B2Endress + Hauser GmbH + Co. KG
- Method for operating a pressure measuring cell of a capacitive pressure sensor14 Oct 2025US 12,442,708 B2Ifm Electronic GmbH
- Flat ceramic pressure sensor and relative production method26 Aug 2025US 12,399,074 B2Kolektor Microtel S.P.A.
- Shaped body and method for producing a shaped body3 Jun 2025US 12,320,724 B2Exentis Knowledge GmbH
- Method for compensating for a temperature shock on a capacitive pressure-measuring cell6 Aug 2026US 2026/0227260 A1Ifm Electronic GmbH
- High temperature co-fired ceramic pressure sensor23 Jul 2026US 2026/0210784 A1
- Center-perforated Annular Ceramic Capacitor14 May 2026US 2026/0135043 A1Shenzhen Ampron Technology Co., Ltd
- Pressure sensors and associated methods7 May 2026US 2026/0126331 A1Stoneridge Asia Pacific Electronics (Suzhou) Co. Ltd.
- Pressure transducer and preparation method thereof, and detection device29 Jan 2026US 2026/0029288 A1Beijing BOE Sensor Technology Co., Ltd.
Most cited
By later US patents
- System, method, and sensors for sensing physical properties298US 6,278,379 B1Georgia Tech Research Corporation · 2001
- Pressure sensor diagnostics in a process transmitter136US 5,665,899 ARosemount Inc. · 1997
- Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates131US 5,637,802 ARosemount Inc. · 1997
- Process pressure measurement devices with improved error compensation121US 6,295,875 B1Rosemount Inc. · 2001
- Capacitive pressure transducer113US 4,177,496 AKavlico Corporation · 1979