Y10S 165/496
Spiral or helical coil
Y10S165/496 (Spiral or helical coil) appears on 10 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 10
- Published applications
- 0
- Assignees
- 8
- Inventors
- 14
- Latest grant
- 8 Aug 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coil type condenser for refrigerator8 Aug 2000US 6,098,705 ADaewoo Electronics Co., Ltd.
- Heat exchanger for evaporating cooling refrigeration system30 Nov 1999US 5,992,171 ARTI Corporation
- Heat exchanger for evaporative cooling refrigeration system10 Nov 1998US 5,832,739 ARTI Corporation
- Heat exchanger assembly with integral fin unit18 Oct 1988US 4,778,004 APeerless of America, Inc.
- Multiple coil heat exchanger29 Jan 1985US 4,495,989 ASpiral Tubing Corporation
No published applications in this class yet.
Most cited
By later US patents
- Heat exchanger assembly with integral fin unit22US 4,778,004 APeerless of America, Inc. · 1988
- Coil type condenser for refrigerator15US 6,098,705 ADaewoo Electronics Co., Ltd. · 2000
- Heat exchanger for evaporative cooling refrigeration system11US 5,832,739 ARTI Corporation · 1998
- Laundry hot water supply coil assembly10US 4,161,214 A1979
- Hot oil heater with helical coil baffle8US 4,387,766 AHy-Way Heat Systems, Inc. · 1983