Y10S 62/20
Materials used to prevent corrosion in refrigeration system
Y10S62/20 (Materials used to prevent corrosion in refrigeration system) appears on 8 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 8
- Published applications
- 0
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 23 Jun 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for removal of acid from compressor oil23 Jun 1998US 5,770,048 AMainstream Engineering Corporation
- Heat exchanging apparatus and a method of preventing corrosion3 Jan 1995US 5,377,494 ASharp Kabushiki Kaisha
- Corrosion inhibition of ammonia-water absorption chillers30 Aug 1994US 5,342,578 AGas Research Institute
- Hermetically closed circulation type, vapor absorption refrigerator3 Apr 1990US 4,912,934 AHitachi, Ltd.
- Acrylate/silicate corrosion inhibitor13 Sep 1983US 4,404,114 AUnion Carbide Corporation
No published applications in this class yet.
Most cited
By later US patents
- Acrylate/silicate corrosion inhibitor30US 4,404,114 AUnion Carbide Corporation · 1983
- Aluminum-corrosion inhibitive heat transfer fluid24US 4,392,972 AUnion Carbide Corporation · 1983
- High lead solder corrosion inhibitors24US 4,402,847 ABASF Wyandotte Corporation · 1983
- Corrosion inhibitors for absorption refrigeration systems18US 4,019,992 ABorg-Warner Corporation · 1977
- Hermetically closed circulation type, vapor absorption refrigerator11US 4,912,934 AHitachi, Ltd. · 1990