G01L 9/0039
Using photoelectric means
Official title: {using photoelectric means}
G01L9/0039 (Using photoelectric means) appears on 42 US grants and 24 published applications in this corpus.
Search patents in G01L- Granted patents
- 42
- Published applications
- 24
- Assignees
- 28
- Inventors
- 73
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 5 |
| 2007 | 3 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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 sensor system comprising one or more pressure sensors22 Sep 2020US 10,782,199 B2Optics11 B.V.
- Sensor system1 Oct 2019US 10,429,499 B2ROLLS-ROYCE plc
- Pressure gauge insensitive to extraneous mechanical loadings6 Aug 2019US 10,370,956 B2Weatherford Technology Holdings, LLC
- Sensor for detecting pressure waves in a liquid15 May 2018US 9,971,052 B2Fugro Technology B.V.
- Fibre-optic pressure sensor23 Apr 2026US 2026/0110587 A1Somni Corporation B.V.
- Non-contact pressure measurement system of balloon catheter and noncontact pressure measurement method of balloon catheter, using same15 Feb 2024US 2024/0050098 A1Korea University Research and Business Foundation
- Pressure sensor and sensor system comprising one or more pressure sensors20 Dec 2018US 2018/0364122 A1Fugro Technology B.V.
- Sensor system14 Sep 2017US 2017/0261607 A1ROLLS-ROYCE plc
- Pressure gauge insensitive to extraneous mechanical loadings24 Aug 2017US 2017/0241257 A1Weatherford Technology Holdings, LLC
Most cited
By later US patents
- High sensitivity fiber optic pressure sensor for use in harsh environments150US 6,016,702 ACiDRA Corporation · 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
- System and method for in vivo calibration of a sensor101US 5,437,284 ACamino Laboratories, Inc. · 1995
- Pressure-sensitive optrode55US 4,509,370 AThe Regents of the University of California · 1985
- Fiber optic transducer and method46US 4,358,678 AHersey Products, Inc. · 1982