G01N 21/474
Details of optical heads therefor
Official title: {Details of optical heads therefor, e.g. using optical fibres}
G01N21/474 (Details of optical heads therefor) appears on 1,039 US grants and 877 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,039
- Published applications
- 877
- Assignees
- 640
- Inventors
- 2,168
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 15 | 0 |
| 1987 | 19 | 0 |
| 1988 | 11 | 0 |
| 1989 | 23 | 0 |
| 1990 | 20 | 0 |
| 1991 | 19 | 0 |
| 1992 | 16 | 0 |
| 1993 | 21 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 17 | 0 |
| 1998 | 17 | 0 |
| 1999 | 19 | 0 |
| 2000 | 20 | 0 |
| 2001 | 20 | 11 |
| 2002 | 22 | 15 |
| 2003 | 20 | 23 |
| 2004 | 12 | 33 |
| 2005 | 26 | 29 |
| 2006 | 27 | 43 |
| 2007 | 36 | 35 |
| 2008 | 26 | 27 |
| 2009 | 29 | 46 |
| 2010 | 29 | 31 |
| 2011 | 26 | 35 |
| 2012 | 26 | 33 |
| 2013 | 26 | 32 |
| 2014 | 23 | 33 |
| 2015 | 32 | 42 |
| 2016 | 19 | 41 |
| 2017 | 37 | 42 |
| 2018 | 41 | 49 |
| 2019 | 45 | 42 |
| 2020 | 39 | 35 |
| 2021 | 40 | 46 |
| 2022 | 28 | 40 |
| 2023 | 23 | 39 |
| 2024 | 33 | 36 |
| 2025 | 36 | 22 |
| 2026 | 16 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-dimensional sample scanning system18 Aug 2026US 12,708,897 B2Stilla Technologies
- Dual UV-Vis reflectance absorbance and photoluminescence modules18 Aug 2026US 12,708,899 B2North Carolina State University
- Reference switch architectures for noncontact sensing of substances18 Aug 2026US 12,710,358 B2Apple Inc.
- Skin examination device11 Aug 2026US 12,702,305 B2Macquarie Medical Systems Pty Ltd
- Method for analysing an object comprising several superposed layers, by optical reflectance measurements7 Jul 2026US 12,674,750 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Imaging system with photon reallocation6 Aug 2026US 2026/0227614 A1Centre National De La Recherche Scientifique
- Electrode tape inspection device and electrode tape inspection method using the same23 Jul 2026US 2026/0210851 A1LG Energy Solution, Ltd.
- Sensor assembly and porous membrane sensor element23 Jul 2026US 2026/0210938 A1Radiometer Medical ApS
- Measuring method for determining a protection factor, and protection factor evaluation system9 Jul 2026US 2026/0194457 A1Courage + Khazaka Electronic GmbH
- Apparatus and method for measuring optical properties, in particular color measuring device18 Jun 2026US 2026/0168917 A1BYK Gardner GmbH
Most cited
By later US patents
- Reagent test strip and apparatus for determination of blood glucose896US 5,304,468 ALifeScan, Inc. · 1994
- Automated initiation of timing of reflectance readings604US 5,049,487 ALifeScan, Inc. · 1991
- Method and apparatus for coupling a sample probe with a sample site603US 8,718,738 B2GLT Acquisition Corp. · 2014
- Fiber optic illumination and detection patterns, shapes, and locations for use in spectroscopic analysis549US 6,411,373 B1Instrumentation Metrics, Inc. · 2002
- Analytical device for the automated determination of analytes in fluids443US 5,059,394 ALifeScan, Inc. · 1991