F25J 3/04903
Plates or trays
Official title: {Plates or trays}
F25J3/04903 (Plates or trays) appears on 13 US grants and 14 published applications in this corpus.
Search patents in F25J- Granted patents
- 13
- Published applications
- 14
- Assignees
- 4
- Inventors
- 14
- Latest grant
- 23 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 6 |
| 2020 | 6 | 4 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Annular divided wall column23 Feb 2021US 10,928,129 B2Praxair Technology, Inc.
- Annular divided wall column with ring shaped collectors and distributers15 Dec 2020US 10,866,025 B2Praxair Technology, Inc.
- Annular divided wall column15 Dec 2020US 10,866,026 B2Praxair Technology, Inc.
- Annular divided wall column for an air separation unit16 Jun 2020US 10,684,071 B2Praxair Technology, Inc.
- Annular divided wall column for an air separation unit3 Mar 2020US 10,578,355 B2Praxair Technology, Inc.
- Structural panel intended to form part of a cold box of a separation device22 Oct 2020US 2020/0333071 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Annular divided wall column13 Aug 2020US 2020/0256616 A1Praxair Technology, Inc.
- Annular divided wall column14 May 2020US 2020/0149809 A1Praxair Technology, Inc.
- Annular divided wall column with ring shaped collectors and distributers14 May 2020US 2020/0149810 A1Praxair Technology, Inc.
- Distributor for Plate-Fin Heat Exchanger25 Jul 2019US 2019/0226765 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Divided wall columns for smaller sized plants24US 8,480,860 B2Air Products and Chemicals, Inc. · 2013
- Radial-crossflow distillation trays for divided wall column applications13US 7,234,691 B2Air Products and Chemicals, Inc. · 2007
- Air separation7US 5,309,721 AThe BOC Group, Inc. · 1994
- Multiple pass, parallel flow downcomer tray for a mass transfer column5US 10,012,436 B2Praxair Technology, Inc. · 2018
- Annular divided wall column for an air separation unit4US 10,578,355 B2Praxair Technology, Inc. · 2020