Y10S 165/52
Internal and external
Y10S165/52 (Internal and external) appears on 5 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 5
- Published applications
- 0
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 27 Apr 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of manufacturing an evaporator tube27 Apr 1999US 5,896,660 AHigh Performance Tube, Inc.
- Evaporator tube28 Jan 1997US 5,597,039 AHigh Performance Tube, Inc.
- Heat exchanger for combustion heater14 Apr 1987US 4,657,074 ADiesel Kiki Co., Ltd.
- Tube provided with inner fins and outer fins or pins, particularly for heat exchangers, and method therefor22 Dec 1981US 4,306,619 A
- Finned tube for heat exchangers1 Sep 1981US 4,286,655 A
No published applications in this class yet.
Most cited
By later US patents
- Tube provided with inner fins and outer fins or pins, particularly for heat exchangers, and method therefor61US 4,306,619 A1981
- Heat exchanger for combustion heater32US 4,657,074 ADiesel Kiki Co., Ltd. · 1987
- Evaporator tube23US 5,597,039 AHigh Performance Tube, Inc. · 1997
- Finned tube for heat exchangers11US 4,286,655 A1981
- Method of manufacturing an evaporator tube4US 5,896,660 AHigh Performance Tube, Inc. · 1999