G01N 33/2858
Metal particles
Official title: {Metal particles}
G01N33/2858 (Metal particles) appears on 237 US grants and 209 published applications in this corpus.
Search patents in G01N- Granted patents
- 237
- Published applications
- 209
- Assignees
- 157
- Inventors
- 511
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 4 |
| 2004 | 7 | 4 |
| 2005 | 5 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 8 |
| 2010 | 0 | 3 |
| 2011 | 6 | 0 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 6 |
| 2015 | 4 | 12 |
| 2016 | 4 | 8 |
| 2017 | 7 | 13 |
| 2018 | 6 | 17 |
| 2019 | 13 | 14 |
| 2020 | 21 | 24 |
| 2021 | 16 | 18 |
| 2022 | 17 | 15 |
| 2023 | 17 | 18 |
| 2024 | 9 | 13 |
| 2025 | 15 | 10 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Printed coil sensors for monitoring fluid condition29 Sep 2026US 12,748,032 B2GasTOPS Ltd.
- Monitoring the oil of a lubrication device25 Aug 2026US 12,716,368 B2Safran Aero Boosters SA
- Methods and devices for monitoring machine fluids14 Jul 2026US 12,681,003 B2LogiLube, LLC
- Sensor device and method for characterizing metal chips21 Apr 2026US 12,607,550 B2Inmox GmbH
- Sensitivity amplification techniques for magnetochemical sensors14 Apr 2026US 12,601,672 B2Western Digital Technologies, Inc.
- Sensitivity amplification techniques for magnetochemical sensors13 Aug 2026US 2026/0235487 A1Western Digital Technologies, Inc.
- Magnetic sensing device4 Jun 2026US 2026/0153479 A1
- Systems, methods and devices for monitoring fluid condition21 May 2026US 2026/0139616 A1GasTOPS Ltd.
- Printed coil sensors for monitoring fluid condition21 May 2026US 2026/0140034 A1GasTOPS Ltd.
- Automatic detection method and device for detecting substance composition in viscous material23 Apr 2026US 2026/0110595 A1
Most cited
By later US patents
- In-situ oil analyzer and methods of using same, particularly for continuous on-board analysis of diesel engine lubrication systems128US 5,604,441 ADetroit Diesel Corporation · 1997
- On-site oil analyzer86US 5,537,336 AOn-Site Analysis, Inc. · 1996
- On-site analyzer71US 6,452,179 B1Global Technovations, Inc. · 2002
- Compact X-ray fluorescence spectrometer for real-time wear metal analysis of lubrucating oils62US 5,982,847 AUtah State University · 1999
- Oil monitor with magnetic field51US 5,262,732 AComputational Systems, Inc. · 1993