G01N 21/8507
Probe photometers, i.e. with optical measuring part dipped into fluid sample
Official title: {Probe photometers, i.e. with optical measuring part dipped into fluid sample}
G01N21/8507 (Probe photometers, i.e. with optical measuring part dipped into fluid sample) appears on 746 US grants and 723 published applications in this corpus.
Search patents in G01N- Granted patents
- 746
- Published applications
- 723
- Assignees
- 564
- Inventors
- 1,906
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 16 | 0 |
| 1991 | 17 | 0 |
| 1992 | 11 | 0 |
| 1993 | 17 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 2 |
| 2002 | 6 | 9 |
| 2003 | 14 | 22 |
| 2004 | 17 | 16 |
| 2005 | 12 | 13 |
| 2006 | 5 | 17 |
| 2007 | 9 | 18 |
| 2008 | 19 | 25 |
| 2009 | 10 | 25 |
| 2010 | 23 | 23 |
| 2011 | 20 | 26 |
| 2012 | 14 | 30 |
| 2013 | 18 | 22 |
| 2014 | 26 | 34 |
| 2015 | 24 | 22 |
| 2016 | 30 | 48 |
| 2017 | 30 | 39 |
| 2018 | 26 | 37 |
| 2019 | 33 | 45 |
| 2020 | 49 | 36 |
| 2021 | 32 | 28 |
| 2022 | 24 | 48 |
| 2023 | 18 | 37 |
| 2024 | 30 | 40 |
| 2025 | 37 | 38 |
| 2026 | 15 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process isolation device, a method for inserting a process sensor probe into a process location and a method for removing a process sensor probe from a process location11 Aug 2026US 12,704,391 B2Kxs Technologies Oy
- 3-D printed probes for bioprocesses23 Jun 2026US 12,663,378 B2Nirrin Technologies, Inc.
- Molten salt impurity sensor2 Jun 2026US 12,644,829 B2Wisconsin Alumni Research Foundation
- Turbidity sensor, in particular for determining a cell density of a suspension2 Jun 2026US 12,644,834 B2Hamilton Bonaduz AG
- Immersion probe having variable path length2 Jun 2026US 12,644,844 B2Implen GmbH
- Spectroscopic measurement device and adjustment method therefor20 Aug 2026US 2026/0243662 A1Hitachi High-Tech Corporation
- Detection and monitoring of scale formation in fluid mixtures30 Jul 2026US 2026/0219183 A1King Fahd University of Petroleum and Minerals
- Atmospheric pollutant detection and abatement23 Jul 2026US 2026/0210295 A1Rtx Corporation
- Probe unit for spectroscopic analysis23 Jul 2026US 2026/0210839 A1FUJIFILM Corporation
- Device and method for harmful gas detection in tunnel advance drilling23 Jul 2026US 2026/0210845 A1China Mcc5 Group Corp. Ltd
Most cited
By later US patents
- Fiber-optic physiological probes732US 4,925,268 AAbbott Laboratories · 1990
- Analytical device for in vivo analysis in the body of a patient441US 6,584,335 B1Roche Diagnostics GmbH · 2003
- Micro-invasive method for painless detection of analytes in extracellular space327US 6,904,301 B2Becton, Dickinson and Company · 2005
- Tissue structure identification in advance of instrument277US 8,046,057 B22011
- Micro-invasive method for painless detection of analytes in extra-cellular space243US 6,535,753 B1MicroSense International LLC · 2003