G01N 2021/4769
Fluid samples
Official title: {Fluid samples, e.g. slurries, granulates; Compressible powdery of fibrous samples}
G01N2021/4769 (Fluid samples) appears on 109 US grants and 116 published applications in this corpus.
Search patents in G01N- Granted patents
- 109
- Published applications
- 116
- Assignees
- 119
- Inventors
- 340
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 4 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 6 |
| 2015 | 0 | 7 |
| 2016 | 2 | 8 |
| 2017 | 8 | 7 |
| 2018 | 9 | 11 |
| 2019 | 9 | 6 |
| 2020 | 6 | 8 |
| 2021 | 8 | 6 |
| 2022 | 6 | 8 |
| 2023 | 5 | 6 |
| 2024 | 6 | 7 |
| 2025 | 4 | 8 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid imaging based on optical coherence tomography19 May 2026US 12,631,555 B1Imam Mohammad Ibn Saud Islamic University
- Method for rapid characterization of metallic powders3 Mar 2026US 12,566,138 B2Rtx Corporation
- Enhanced material detection by stereo beam profile analysis9 Dec 2025US 12,492,982 B2Trinamix GmbH
- Sensor positioning device and sensor19 Aug 2025US 12,392,726 B2Exner + Tottewitz Besitz GbR
- System and method for providing an indication of a person's gum health12 Aug 2025US 12,383,144 B2Koninklijke Philips N. V.
- Method to measure turbidity and total suspended solids and turbidity sensor system thereof13 Aug 2026US 2026/0235505 A1Haber Inc.
- Method and apparatus for the characterization of a non-homogeneous solid granular medium6 Aug 2026US 2026/0227304 A1Universita Degli Studi Di Milano-Bicocca
- Method for rapid characterization of metallic powders6 Aug 2026US 2026/0227336 A1Rtx Corporation
- Spectrometer device and system for detecting incident radiation generated by an object12 Feb 2026US 2026/0043737 A1Trinamix GmbH
- Method for Determining the Quantity of at Least One Pulverulent Binder in a Mixture Comprising Wood Particles15 Jan 2026US 2026/0016407 A1Flooring Technologies Ltd.
Most cited
By later US patents
- Two-dimensional optical scatterometer apparatus and process99US 5,241,369 A1993
- Blocker device for eliminating specular reflectance from a diffuse reflection spectrum92US 4,661,706 ASpectra-Tech, Inc. · 1987
- Optical analyzer for agricultural products79US 4,040,747 ANeotec Corporation · 1977
- Diffuse reflectance spectroscopy system and method75US 4,859,064 ASpectra-Tech, Inc. · 1989
- Apparatus for evaluating the quality of rice grains74US 4,752,689 ASatake Engineering Co., Ltd. · 1988