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CPC
Y10S165/151
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GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10
USPC classification
Y10S
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S165/00
Heat exchange
Current Industry
Y10S165/151
having hollow blade
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary heat exchanger
Patent number
4,986,345
Issue date
Jan 22, 1991
Nissan Motor Co., Ltd.
Masakazu Uemura
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat exchanger
Patent number
4,960,168
Issue date
Oct 2, 1990
Raymond L. Anderson
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Heat exchanger
Patent number
3,989,101
Issue date
Nov 2, 1976
Frank A. Manfredi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3908754
Patent number
3,908,754
Issue date
Sep 30, 1975
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3835921
Patent number
3,835,921
Issue date
Sep 17, 1974
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3688836
Patent number
3,688,836
Issue date
Sep 5, 1972
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3477499
Patent number
3,477,499
Issue date
Nov 11, 1969
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3387651
Patent number
3,387,651
Issue date
Jun 11, 1968
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
3295597
Patent number
3,295,597
Issue date
Jan 3, 1967
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3260306
Patent number
3,260,306
Issue date
Jul 12, 1966
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3253649
Patent number
3,253,649
Issue date
May 31, 1966
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
3232339
Patent number
3,232,339
Issue date
Feb 1, 1966
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
3020025
Patent number
3,020,025
Issue date
Feb 6, 1962
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
1903471
Patent number
1,903,471
Issue date
Apr 4, 1933
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
1869855
Patent number
1,869,855
Issue date
Aug 2, 1932
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
1858226
Patent number
1,858,226
Issue date
May 10, 1932
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
1850378
Patent number
1,850,378
Issue date
Mar 22, 1932
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
947424
Patent number
947,424
Issue date
Jan 25, 1910
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
702994
Patent number
702,994
Issue date
Jun 24, 1902
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents