Y10S 62/912
External refrigeration system
Y10S62/912 (External refrigeration system) appears on 103 US grants and 5 published applications in this corpus.
Search patents in Y10S- Granted patents
- 103
- Published applications
- 5
- Assignees
- 29
- Inventors
- 143
- Latest grant
- 23 Mar 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 0 |
| 2002 | 3 | 3 |
| 2003 | 6 | 2 |
| 2004 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Process and apparatus for producing high-purity nitrogen by low-temperature fractionation of air23 Mar 2004US 6,708,523 B2Linde Aktiengesellschaft
- Olefin plant refrigeration system16 Mar 2004US 6,705,113 B2ABB Lummus Global Inc.
- Nitrogen generation process28 Oct 2003US 6,637,240 B1Air Products and Chemicals, Inc.
- Process and apparatus for separating a gas mixture with emergency operation29 Jul 2003US 6,598,424 B2Linde Aktiengesellschaft
- Separation of hydrogen-hydrocarbon gas mixtures using closed-loop gas expander refrigeration13 May 2003US 6,560,989 B1Air Products and Chemicals, Inc.
- Olefin plant refrigeration system16 Oct 2003US 2003/0192342 A1ABB Lummus Global Inc.
- Process and apparatus for producing high-purity nitrogen by low-temperature fractionation of air1 May 2003US 2003/0079499 A1Linde Aktiengesellschaft
- Process and apparatus for separating a gas mixture with emergency operation21 Nov 2002US 2002/0170313 A1Linde Aktiengesellschaft
- Process and apparatus for the production of low pressure gaseous oxygen1 Aug 2002US 2002/0100293 A1Air Products and Chemicals, Inc.
- Method of detecting the presence of impurities, unit and method for vaporizing liquid, and double air distillation column14 Feb 2002US 2002/0017112 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Process and system for liquefying natural gas124US 6,324,867 B1ExxonMobil Oil Corporation · 2001
- Use of a turboexpander cycle in liquefied natural gas process83US 5,755,114 AABB Randall Corporation · 1998
- Liquefaction apparatus50US 6,250,244 B1BHP Petroleum Pty Ltd. · 2001
- Incorporated cascade cooling cycle for liquefying a gas by regasifying liquefied natural gas48US 4,054,433 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1977
- Liquefaction process48US 5,916,260 ABHP Petroleum Pty Ltd. · 1999