G01N 33/0091
Powders
Official title: {Powders}
G01N33/0091 (Powders) appears on 158 US grants and 94 published applications in this corpus.
Search patents in G01N- Granted patents
- 158
- Published applications
- 94
- Assignees
- 129
- Inventors
- 354
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 0 |
| 2003 | 4 | 6 |
| 2004 | 3 | 11 |
| 2005 | 7 | 4 |
| 2006 | 2 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 6 |
| 2010 | 6 | 2 |
| 2011 | 2 | 2 |
| 2012 | 4 | 6 |
| 2013 | 2 | 0 |
| 2014 | 3 | 1 |
| 2015 | 2 | 5 |
| 2016 | 1 | 6 |
| 2017 | 6 | 6 |
| 2018 | 1 | 7 |
| 2019 | 9 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detecting compounds in airborne particles using ion exchange19 May 2026US 12,631,586 B2Gentex Corporation
- Structural-profiling of analytes by nanopore trapping28 Apr 2026US 12,613,234 B2Nanjing University
- System for diagnosing dry electrode mixture24 Mar 2026US 12,584,964 B2Hyundai Motor Company
- Method for rapid characterization of metallic powders3 Mar 2026US 12,566,138 B2Rtx Corporation
- Automatic high precision battery material assessment system25 Nov 2025US 12,480,840 B1Mag Ia, Inc.
- Systems and methods for determining compression properties of a powder and useful, for example, with tablet formulation development17 Sep 2026US 2026/0276501 A1Regents of the University of Minnesota
- Laser Induced Breakdown Spectroscopy of Drilling Cuttings10 Sep 2026US 2026/0266731 A1Saudi Arabian Oil Company
- Method for rapid characterization of metallic powders6 Aug 2026US 2026/0227336 A1Rtx Corporation
- Automatic High Precision Battery Material Assessment System30 Jul 2026US 2026/0219137 A1Mag Ia, Inc.
- Method and system for checking and evaluation of activation of porous materials30 Jul 2026US 2026/0219232 A1SK Embio Diagnostics Limited
Most cited
By later US patents
- Highly concentrated aqueous suspension of minerals and/or fillers and/or pigments, stabilized with one or more polyampholytes41US 5,076,846 APluss-Staufer AG · 1991
- Apparatus for use in sampling aggregate33US 6,318,193 B1Pavement Technology, Inc. · 2001
- Calorimetry system30US 4,809,190 AGeneral Signal Corporation · 1989
- Apparatus and method for testing powder properties30US 5,583,304 A1996
- Process and apparatus for continuously measuring slump28US 4,356,723 A1982