G01L 23/16
By photoelectric means
Official title: by photoelectric means
G01L23/16 (By photoelectric means) appears on 72 US grants and 41 published applications in this corpus.
Search patents in G01L- Granted patents
- 72
- Published applications
- 41
- Assignees
- 48
- Inventors
- 164
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 8 |
| 2004 | 6 | 4 |
| 2005 | 5 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 4 |
| 2017 | 4 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photonic pressure sensor1 Jul 2025US 12,345,564 B2Rockley Photonics Limited
- Method of fabricating a fibre-optic pressure and temperature sensor22 Oct 2024US 12,121,989 B2UCL Business PLC
- Multi-hole probe pressure sensors24 May 2022US 11,340,131 B2University of Florida Research Foundation, Inc.
- Optical fibre pressure sensing apparatus employing longitudinal diaphragm22 Mar 2022US 11,280,691 B2Nuron Limited
- Dominant signal detection method and apparatus31 Jul 2018US 10,039,020 B2Analog Devices Global
- Dual acoustic pressure and hydrophone sensor array system27 Apr 2023US 2023/0132220 A1Fiber Optic Sensor Systems Technology Corporation
- Photonic pressure sensor13 Apr 2023US 2023/0112830 A1Rockley Photonics Limited
- Method of fabricating a fibre-optic pressure and temperature sensor30 Sep 2021US 2021/0299782 A1UCL Business PLC
- Multi-Hole Probe Pressure Sensors12 Nov 2020US 2020/0355569 A1University of Florida Research Foundation, Inc.
- Dual acoustic pressure and hydrophone sensor array system8 Oct 2020US 2020/0319288 A1Fiber Optic Sensor Systems Technology Corporation
Most cited
By later US patents
- Fiber optic pressure sensor systems105US 5,275,053 AFiberoptic Sensor Technologies, Inc. · 1994
- Fiber optic pressure sensor systems102US 5,385,053 AFiberoptic Sensor Technologies, Inc. · 1995
- Method and apparatus for measuring pressure with fiber optics67US 5,714,680 AThe Texas A&M University System · 1998
- Fiber optic microbend sensor for engine knock and misfire detection65US 5,421,195 A1995
- Method and apparatus for measuring pressure with embedded non-intrusive fiber optics58US 5,452,087 AAmerican Gas Association · 1995