G01N 33/20
Metals
G01N33/20 (Metals) appears on 902 US grants and 873 published applications in this corpus.
Search patents in G01N- Granted patents
- 902
- Published applications
- 873
- Assignees
- 668
- Inventors
- 2,711
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 19 | 0 |
| 1999 | 11 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 4 |
| 2002 | 16 | 14 |
| 2003 | 18 | 17 |
| 2004 | 18 | 22 |
| 2005 | 7 | 15 |
| 2006 | 12 | 13 |
| 2007 | 9 | 13 |
| 2008 | 17 | 14 |
| 2009 | 9 | 11 |
| 2010 | 4 | 8 |
| 2011 | 5 | 18 |
| 2012 | 10 | 22 |
| 2013 | 12 | 24 |
| 2014 | 22 | 29 |
| 2015 | 24 | 32 |
| 2016 | 20 | 35 |
| 2017 | 26 | 45 |
| 2018 | 34 | 41 |
| 2019 | 47 | 55 |
| 2020 | 39 | 54 |
| 2021 | 45 | 72 |
| 2022 | 39 | 81 |
| 2023 | 48 | 56 |
| 2024 | 73 | 66 |
| 2025 | 48 | 64 |
| 2026 | 42 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for preparing a grinding pattern for a metallurgical sample15 Sep 2026US 12,736,445 B2Robert Bosch GmbH
- Method for quality control of a welding joint between a pair of ends of conducting elements of an inductive winding of a stator8 Sep 2026US 12,728,486 B2ATOP S.p.A.
- Characteristic element combination anomaly derivative method of determining occurrence of deep concealed plate-shaped ore body of hydrothermal deposit25 Aug 2026US 12,716,881 B2Kunming University of Science and Technology
- System and method for inspecting components fabricated using a powder metallurgy process11 Aug 2026US 12,704,494 B2The Boeing Company
- Growing media evaluation system and method14 Jul 2026US 12,680,999 B1Predictive Nutrient Solutions, Inc.
- Delayed fracture characteristic evaluation method, delayed fracture prediction method, program, press-formed article production method, and shearing device1 Oct 2026US 2026/0298788 A1Jfe Steel Corporation
- Method for evaluating corrosion resistance of aluminum sheet1 Oct 2026US 2026/0298799 A1Honda Motor Co., Ltd.
- System and method for automating corrosion detection1 Oct 2026US 2026/0301141 A1Schlumberger Technology Corporation
- Multimodal processing of pulsed eddy current response signal for well integrity evaluation24 Sep 2026US 2026/0287553 A1Schlumberger Technology Corporation
- Method and System for Detecting and Quantifying Broken Steel Wire Wraps in Prestressed Concrete Cylinder Pipe (PCCP)17 Sep 2026US 2026/0276589 A1Safenet International LLC
Most cited
By later US patents
- Method and a device for thermal analysis of cast iron475US 7,168,852 B2SinterCast AB · 2007
- Gas analyzer for molten metals118US 5,495,746 A1996
- Method for setting shape and working stress, and working environment of steel member106US 6,523,416 B2Kawasaki Steel Corporation · 2003
- SIO probe for real-time monitoring and control of oxygen during czochralski growth of single crystal silicon50US 5,795,381 AMEMC Electrical Materials, Inc. · 1998
- Gas analyzer for simultaneously measuring many ingredients49US 4,705,669 AHoriba, Ltd. · 1987