Y10T 428/257
Iron oxide or aluminum oxide
Y10T428/257 (Iron oxide or aluminum oxide) appears on 1,556 US grants and 572 published applications in this corpus.
Search patents in Y10T- Granted patents
- 1,556
- Published applications
- 572
- Assignees
- 556
- Inventors
- 2,929
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 14 | 0 |
| 1979 | 15 | 0 |
| 1980 | 19 | 0 |
| 1981 | 30 | 0 |
| 1982 | 23 | 0 |
| 1983 | 27 | 0 |
| 1984 | 30 | 0 |
| 1985 | 32 | 0 |
| 1986 | 57 | 0 |
| 1987 | 58 | 0 |
| 1988 | 57 | 0 |
| 1989 | 54 | 0 |
| 1990 | 35 | 0 |
| 1991 | 41 | 0 |
| 1992 | 65 | 0 |
| 1993 | 41 | 0 |
| 1994 | 42 | 0 |
| 1995 | 43 | 0 |
| 1996 | 51 | 0 |
| 1997 | 56 | 0 |
| 1998 | 61 | 0 |
| 1999 | 61 | 0 |
| 2000 | 71 | 0 |
| 2001 | 58 | 27 |
| 2002 | 46 | 67 |
| 2003 | 64 | 76 |
| 2004 | 59 | 51 |
| 2005 | 41 | 46 |
| 2006 | 27 | 33 |
| 2007 | 26 | 45 |
| 2008 | 21 | 20 |
| 2009 | 29 | 31 |
| 2010 | 32 | 49 |
| 2011 | 15 | 25 |
| 2012 | 29 | 25 |
| 2013 | 33 | 25 |
| 2014 | 20 | 16 |
| 2015 | 12 | 16 |
| 2016 | 8 | 4 |
| 2017 | 7 | 1 |
| 2018 | 6 | 3 |
| 2019 | 3 | 4 |
| 2020 | 2 | 2 |
| 2021 | 3 | 1 |
| 2022 | 4 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method of applying nanoparticles381US 6,645,569 B2The Procter & Gamble Company · 2003
- Metal oxide nanorods344US 5,897,945 APresident and Fellows of Harvard College · 1999
- Coating compositions for modifying surfaces330US 7,112,621 B2The Proctor & Gamble Company · 2006
- Method of hydrophilizing materials294US 6,863,933 B2The Procter & Gamble Company · 2005
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002