G01L 9/0033
Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or
Official title: {Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means (G01L9/0008 takes precedence)}
G01L9/0033 (Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or) appears on 120 US grants and 61 published applications in this corpus.
Search patents in G01L- Granted patents
- 120
- Published applications
- 61
- Assignees
- 83
- Inventors
- 202
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 11 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 5 |
| 2007 | 4 | 4 |
| 2008 | 3 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 3 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 5 | 5 |
| 2017 | 1 | 4 |
| 2018 | 8 | 6 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 3 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-contact pressure measurement system of balloon catheter and noncontact pressure measurement method of balloon catheter, using same2 Dec 2025US 12,484,908 B2Osong Medical Innovation Foundation, Korea University Research and Business Foundation
- Pressure sensor and borehole system4 Nov 2025US 12,460,540 B2Baker Hughes Oilfield Operations LLC
- Gas densimeter11 Mar 2025US 12,247,994 B2WIKA Alexander Wiegand SE & Co. KG
- Estimation of reference barometric pressure by using dissimilar pressure references14 Jan 2025US 12,196,913 B2Polaris Wireless, Inc.
- Gas densimeter9 Jan 2024US 11,867,712 B2WIKA Alexander Wiegand SE & Co. KG
- Method for determining a braking variable for a vehicle11 Jun 2026US 2026/0159052 A1ZF CV Systems Global GmbH
- Fibre-optic pressure sensor23 Apr 2026US 2026/0110587 A1Somni Corporation B.V.
- Estimating the Location of a Wireless Terminal Based on Dissimilar Barometric Pressure References1 May 2025US 2025/0137779 A1Polaris Wireless, Inc.
- Method, device, use and installation for gas density monitoring10 Apr 2025US 2025/0116588 A1Trafag AG
- Pressure sensor and borehole system28 Mar 2024US 2024/0102381 A1Baker Hughes Oilfield Operations LLC
Most cited
By later US patents
- Intracranial pressure monitor183US 4,026,276 AThe Johns Hopkins University · 1977
- Intracranial pressure implant151US 4,265,252 AThe Johns Hopkins University · 1981
- High sensitivity fiber optic pressure sensor for use in harsh environments150US 6,016,702 ACiDRA Corporation · 2000
- Telemetric intracranial pressure monitoring system136US 6,113,553 ALifesensors, Inc. · 2000
- Fiber optic measurement system having a reference conductor for controlling the energy level of the light source103US 5,065,010 ACamino Laboratories, Inc. · 1991