B01D 3/24
With sloping plates or elements mounted stepwise
Official title: with sloping plates or elements mounted stepwise
B01D3/24 (With sloping plates or elements mounted stepwise) appears on 57 US grants and 33 published applications in this corpus.
Search patents in B01D- Granted patents
- 57
- Published applications
- 33
- Assignees
- 50
- Inventors
- 128
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 4 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 4 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 4 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for heat treating a feedstock comprising a lipid material1 Oct 2024US 12,102,945 B2Neste Oyj
- Stacked-plate distillation column4 Jul 2023US 11,691,090 B2The Johns Hopkins University
- Gas-distributing tray for the bottom of a gas/liquid contact column comprising a zone for collecting liquid partially overlapped by gas chimneys18 May 2021US 11,007,453 B2Ifp Energies Nouvelles
- Fouling-resistant distillation column and process for the manufacture of compounds1 Dec 2020US 10,851,041 B2Dow Global Technologies LLC
- Gas redirecting device for liquid-gas contacting column3 Nov 2020US 10,821,396 B2Ifp Energies Nouvelles
- Catalytic reaction unit and reactive distillation column30 Nov 2023US 2023/0381728 A1China Petroleum & Chemical Corporation
- Stacked-plate distillation column9 Mar 2023US 2023/0070099 A1The Johns Hopkins University
- Apparatus and Method for heat treating a feedstock comprising a lipid material10 Mar 2022US 2022/0072446 A1Neste Oyj
- Distributor tray for a fractionating column, comprising a compartment for distributing gas20 May 2021US 2021/0146273 A1Axens
- Cascade tray, rectifying column containing said cascade tray, method for operating such a rectifying column, and use of same27 Feb 2020US 2020/0061491 A1Covestro Deutschland AG
Most cited
By later US patents
- Baffle tray tower42US 4,543,219 ANippon Kayaku Kabushiki Kaisha · 1985
- Zig-zag profile packing and method of making39US 4,497,751 ASulzer Brothers Limited · 1985
- Split flow reactor trays for vertical staged polycondensation reactors38US 5,466,419 A1995
- Corrugated sheet packing and method of making35US 4,497,753 ASulzer Brothers Limited · 1985
- Counter-current gas-liquid contacting device35US 4,995,945 AFlavourtech Pty. Ltd. · 1991