F28F 2009/226
Transversal partitions
Official title: {Transversal partitions}
F28F2009/226 (Transversal partitions) appears on 170 US grants and 239 published applications in this corpus.
Search patents in F28F- Granted patents
- 170
- Published applications
- 239
- Assignees
- 183
- Inventors
- 550
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 5 |
| 2008 | 1 | 7 |
| 2009 | 0 | 3 |
| 2010 | 2 | 7 |
| 2011 | 1 | 5 |
| 2012 | 2 | 6 |
| 2013 | 1 | 5 |
| 2014 | 5 | 12 |
| 2015 | 1 | 10 |
| 2016 | 11 | 11 |
| 2017 | 10 | 24 |
| 2018 | 9 | 17 |
| 2019 | 12 | 10 |
| 2020 | 16 | 19 |
| 2021 | 16 | 17 |
| 2022 | 13 | 17 |
| 2023 | 10 | 14 |
| 2024 | 12 | 13 |
| 2025 | 9 | 16 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Catalytic vapor phase oxidation reactor apparatus62US 4,256,783 ANippon Skokubei Kagaku Kogyo Co., Ltd. · 1981
- Process for catalytic vapor phase oxidation58US 4,203,906 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1980
- Layered thermal store with selectively alterable gas flow path43US 9,658,004 B2Energy Technologies Institute LLP · 2017
- Vapor-compression evaporation system and method34US 7,251,944 B2Highland Interests, Inc. · 2007
- Shell and tube heat exchanger with impingement distributor26US 5,653,282 AThe M. W. Kellogg Company · 1997