Y10S 62/924
Argon
Y10S62/924 (Argon) appears on 182 US grants and 10 published applications in this corpus.
Search patents in Y10S- Granted patents
- 182
- Published applications
- 10
- Assignees
- 23
- Inventors
- 165
- Latest grant
- 23 Jun 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 15 | 0 |
| 1989 | 13 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 14 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 4 | 3 |
| 2003 | 4 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Air separation method23 Jun 2009US 7,549,301 B2Praxair Technology, Inc.
- Combined cryogenic distillation and PSA for argon production10 Mar 2009US 7,501,009 B2Air Products and Chemicals, Inc.
- Process for recovery, purification, and recycle of argon22 Apr 2008US 7,361,316 B2Air Products and Chemicals, Inc.
- Cryogenic air separation plant with reduced liquid drain loss23 Oct 2007US 7,284,395 B2Praxair Technology, Inc.
- Methods and systems for optimizing argon recovery in an air separation unit17 Apr 2007US 7,204,101 B2Air Liquide Large Industries U.S. LP
- Air separation method13 Dec 2007US 2007/0283719 A1Praxair Technology, Inc.
- Combined cryogenic distillation and PSA for argon production13 Sep 2007US 2007/0209508 A1Air Products and Chemicals, Inc.
- Cryogenic air separation plant with reduced liquid drain loss30 Aug 2007US 2007/0199345 A1Praxair Technology, Inc.
- Methods and systems for optimizing argon recovery in an air separation unit7 Apr 2005US 2005/0072187 A1Air Liquide Large Industries U.S. LP
- Process for recovery, purification, and recycle of argon3 Feb 2005US 2005/0025678 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Process for distillation of multicomponent fluid and production of an argon-enriched stream from a cryogenic air separation process57US 6,240,744 B1Air Products and Chemicals, Inc. · 2001
- Purification of crude argon47US 4,935,044 ALinde Aktiengesellschaft · 1990
- Air separation process and apparatus for high argon recovery and moderate pressure nitrogen recovery46US 4,822,395 AUnion Carbide Corporation · 1989
- Cryogenic air separation with cold argon recycle38US 4,533,375 A1985
- Cryogenic hybrid system for producing high purity argon37US 5,730,003 APraxair Technology, Inc. · 1998