Y10T 428/12021
Having composition or density gradient or differential porosity
Official title: having composition or density gradient or differential porosity
Y10T428/12021 (Having composition or density gradient or differential porosity) appears on 310 US grants and 149 published applications in this corpus.
Search patents in Y10T- Granted patents
- 310
- Published applications
- 149
- Assignees
- 188
- Inventors
- 567
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 15 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 7 |
| 2003 | 6 | 6 |
| 2004 | 5 | 18 |
| 2005 | 10 | 11 |
| 2006 | 11 | 9 |
| 2007 | 4 | 14 |
| 2008 | 9 | 9 |
| 2009 | 7 | 10 |
| 2010 | 14 | 13 |
| 2011 | 10 | 12 |
| 2012 | 7 | 7 |
| 2013 | 10 | 6 |
| 2014 | 8 | 3 |
| 2015 | 2 | 2 |
| 2016 | 4 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 5 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Corrosion protection with Al/Zn-based coatings2 Jun 2026US 12,644,172 B2Bluescope Steel Limited
- Corrosion protection with Al/Zn-based coatings24 Dec 2024US 12,173,407 B2Bluescope Steel Limited
- Tubular rotary component, manufacturing method therefor, and mold therefor10 Sep 2024US 12,083,573 B2Nippon Steel Corporation
- Additive manufacturing techniques and applications thereof4 Jun 2024US 11,998,987 B2Kennametal Inc.
- Corrosion protection with Al/Zn-based coatings7 Nov 2023US 11,807,941 B2Bluescope Steel Limited
- Corrosion protection with al/zn-based coatings17 Apr 2025US 2025/0122605 A1Bluescope Steel Limited
- Tubular rotary component, manufacturing method therefor, and mold therefor17 Oct 2024US 2024/0342785 A1Nippon Steel Corporation
- Corrosion protection with al/zn-based coatings7 Mar 2024US 2024/0076769 A1Bluescope Steel Limited
- Additive manufacturing techniques and applications thereof11 Jan 2024US 2024/0009734 A1Kennametal Inc.
- Porous assemblies and related methods of fabrication and use7 Dec 2023US 2023/0395812 A1Mott Corporation
Most cited
By later US patents
- Three-dimensional printing techniques1,084US 5,204,055 AMassachusetts Institute of Technology · 1993
- Three-dimensional printing techniques380US 5,340,656 AMassachusetts Institute of Technology · 1994
- Three dimensional printing system272US 5,807,437 AMassachusetts Institute of Technology · 1998
- Powder dispensing apparatus using vibration219US 6,036,777 AMassachusetts Institute of Technology · 2000
- Rotary drill bit with abrasion and erosion resistant facing200US 4,884,477 AEastman Christensen Company · 1989