H01J 9/52
Recovery of material from discharge tubes or lamps
Official title: Recovery of material from discharge tubes or lamps (H01J9/50 takes precedence)
H01J9/52 (Recovery of material from discharge tubes or lamps) appears on 87 US grants and 61 published applications in this corpus.
Search patents in H01J- Granted patents
- 87
- Published applications
- 61
- Assignees
- 55
- Inventors
- 209
- Latest grant
- 12 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 5 |
| 2004 | 3 | 4 |
| 2005 | 3 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 5 |
| 2010 | 1 | 3 |
| 2011 | 2 | 5 |
| 2012 | 2 | 4 |
| 2013 | 4 | 4 |
| 2014 | 5 | 8 |
| 2015 | 1 | 5 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for xenon recovery12 Jan 2021US 10,892,132 B2Versum Materials US, LLC
- Separation of rare earth elements from other elements29 Sep 2020US 10,787,722 B2
- Waste fluorescent light end-cutting apparatus24 Jan 2017US 9,552,954 B2Kyonggi University Industry & Academia Cooperation Foundation
- Method for at least partially deconstructing a flat display screen29 Nov 2016US 9,510,424 B2Veolia Proprete
- Method for cold-cutting a lamp15 Nov 2016US 9,496,113 B2Triade Electronique
- Recycling of Flat Panel Displays27 Oct 2022US 2022/0339682 A1Peregrine Technologies (Holdings) Limited
- Separation of rare earth elements from other elements25 Jul 2019US 2019/0226055 A1
- Control panel disassembly apparatus and method21 Jun 2018US 2018/0169804 A1Caterpillar Inc.
- Method and Apparatus for Recycling12 May 2016US 2016/0133425 A1Electrical Waste Recycling Group Limited
- Fluorescent lamp with incorporated chemical agent and method therefor4 Feb 2016US 2016/0035559 A1General Electric Company
Most cited
By later US patents
- Image display apparatus, disassembly processing method therefor, and component recovery method81US 6,632,113 B1Canon Kabushiki Kaisha · 2003
- Method for recovery and reuse of gas62US 6,089,282 AAeronex, Inc. · 2000
- Antioxidant control of leachable mercury in fluorescent lamps29US 5,754,002 AGeneral Electric Company · 1998
- Method for recycling glass25US 5,350,121 AFalcon United Ltd. · 1994
- Mercury vapor discharge lamp containing means for reducing mercury leaching24US 5,229,687 AGTE Products Corporation · 1993