US Patent Class 165
HEAT EXCHANGE-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
4  DF  REGENERATOR {4}
11.1  DF  WITH ALARM, INDICATOR, SIGNAL, REGISTER, RECORDER, TEST OR INSPECTION MEANS {1}
200  DF  WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14}
41  DF  WITH VEHICLE FEATURE {2}
45  DF  GEOGRAPHICAL
46  DF  FLEXIBLE ENVELOPE OR COVER TYPE
47  DF  STRUCTURAL INSTALLATION {3}
58  DF  HEATING AND COOLING {3}
67  DF  WITH EXTERNAL SUPPORT {1}
69  DF  RESILIENT VIBRATION DAMPER ISOLATING EXCHANGER ELEMENT
70  DF  WITH LEAKAGE COLLECTOR
71  DF  WITH PURGE, OR DRAINAGE, COCK OR PLUG
72  DF  COVERED ACCESS OPENING {2}
76  DF  WITH REPAIR OR ASSEMBLY MEANS {3}
80.1  DF  WITH RETAINER FOR REMOVABLE ARTICLE {2}
81  DF  EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS {1}
84  DF  WITH MEANS FLEXING, JARRING OR VIBRATING HEAT EXCHANGE SURFACE
85  DF  AGITATOR OR IMPELLER MOTOR OPERATED BY EXCHANGE FLUID
86  DF  MOVABLE HEATING OR COOLING SURFACE {4}
94  DF  WITH SCRAPER REMOVING PRODUCT FROM TEMPERATURE MODIFYING SURFACE
95  DF  WITH CLEANING MEANS FOR HEAT EXCHANGER
96  DF  WITH ADJUSTOR FOR HEAT, OR EXCHANGE MATERIAL, FLOW {3}
104.11  DF  INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT {5}
108  DF  RECIRCULATION
109.1  DF  WITH AGITATING OR STIRRING STRUCTURE
110  DF  WITH FIRST FLUID HOLDER OR COLLECTOR OPEN TO SECOND FLUID {2}
119  DF  WITH SOLIDS SEPARATOR FOR EXCHANGE FLUID
120  DF  WITH IMPELLER OR CONVEYOR MOVING EXCHANGE MATERIAL {1}
128  DF  THERMOSYPHONIC FLUE TYPE {3}
132  DF  HEATING OR COOLING MEANS IN OPEN COMMUNICATION WITH RESERVOIR
133  DF  WITH COATED, ROUGHENED OR POLISHED SURFACE
134.1  DF  WITH PROTECTOR OR PROTECTIVE AGENT
135  DF  WITH THERMAL OR ACOUSTICAL BLOCKER {1}
137  DF  CONVERTIBLE
138  DF  COMBINED
139  DF  INTERNALLY BRANCHED FLOW, EXTERNALLY PORTED
140  DF  THREE NON-COMMUNICATING FLUIDS {1}
142  DF  SPUR TUBE PROJECTS INTO ENCLOSURE
143  DF  PLURAL CASTING-CONDUIT UNITS<< LINE OR COMMON HEADER CONNECTED
144  DF  LINE CONNECTED CONDUIT ASSEMBLIES {1}
146  DF  GRADATED HEAT TRANSFER STRUCTURE {1}
148  DF  RADIATOR CORE TYPE {4}
154  DF  NON-COMMUNICATING COAXIAL ENCLOSURES {2}
157  DF  CASING OR TANK ENCLOSED CONDUIT ASSEMBLY {4}
164  DF  FLOW PASSAGES FOR TWO CONFINED FLUIDS {1}
168  DF  CONDUIT WITHIN, OR CONFORMING TO, PANEL OR WALL STRUCTURE {3}
172  DF  SIDE-BY-SIDE TUBULAR STRUCTURES OR TUBE SECTIONS {1}
177  DF  TUBULAR STRUCTURE {4}
185  DF  HEAT TRANSMITTER
186  DF  MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  COOLING TOWERS
901  DF  HEAT SAVERS
902  DF  HEAT STORAGE
903  DF  CONVECTION
904  DF  RADIATION
905  DF  MATERIALS OF MANUFACTURE
906  DF  REINFORCEMENT
907  DF  POROUS
908  DF  FLUID JETS
909  DF  REGENERATION
910  DF  TUBE PATTERN
911  DF  VAPORIZATION
912  DF  COMBINED OR CONVERTIBLE HEAT EXCHANGE MODES
913  DF  CONDENSATION
914  DF  FILMING
915  DF  FOAMING
916  DF  OIL COOLER
917  DF  PRESSURIZATION AND/OR DEGASSIFICATION
918  DF  HEATED AND COOLED FOOD CABINETS AND/OR TRAYS {1}
920  DF  PARTICULATE HEAT EXCHANGE
921  DF  DEW POINT
DIG 1  DF  WITH ALARM, INDICATOR, RECORDER, TEST, OR INSPECTION MEANS {7}
DIG 9  DF  HAVING A SOLID HEAT STORAGE MASS FOR ABSORBING HEAT FROM ONE FLUID AND RELEASING IT TO ANOTHER (I.E. REGENERATOR) {5}
DIG 44  DF  HAVING FLEXIBLE HEAT EXCHANGE SURFACE CONFORMING TO A SOLID STRUCTURE (E.G., APPLICATOR, ETC.) {3}
DIG 51  DF  HAVING EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS {2}
DIG 72  DF  AGITATOR OR IMPELLER MOTOR OPERATED BY FIRST HEAT EXCHANGE FLUID {1}
DIG 76  DF  WITH SCRAPER FOR REMOVING PRODUCT FROM HEAT TRANSFER SURFACE {4}
DIG 92  DF  WITH VALVE OR MOVABLE DEFLECTOR FOR HEAT EXCHANGE FLUID FLOW {6}
DIG 132  DF  WITH ADJUSTOR FOR HEAT FLOW {1}
DIG 135  DF  MOVABLE HEAT EXCHANGER {4}
DIG 162  DF  ONLY DIRECT-CONTACT HEAT EXCHANGE BETWEEN TWO SEPARATELY SUPPLIED FLUIDS
DIG 163  DF  INCLUDING A MEANS TO FORM FLUID FILM ON HEAT TRANSFER SURFACE (E.G., TRICKLE) {8}
DIG 182  DF  INDIRECT-CONTACT COOLING TOWER
DIG 183  DF  INDIRECT-CONTACT EVAPORATOR
DIG 184  DF  INDIRECT-CONTACT CONDENSER {12}
DIG 224  DF  INCLUDING A MEANS TO FORM A FLUID JET
DIG 225  DF  WITH SOLID CONVEYOR {2}
DIG 228  DF  WITH FAN OR PUMP {3}
DIG 318  DF  WITH DRIVEN AGITATOR {2}
DIG 327  DF  THERMOSYPHONIC HAVING VERTICAL AIR DRAFT PASSAGE {3}
DIG 342  DF  TANK WITH HEAT EXCHANGER {5}
DIG 355  DF  HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS {7}
DIG 454  DF  HAVING SIDE-BY-SIDE CONDUITS STRUCTURE OR CONDUIT SECTION {16}
DIG 510  DF  HAVING HEAT EXCHANGE SURFACE TREATMENT, ADJUNCT OR ENHANCEMENT {7}
DIG 532  DF  HEAT EXCHANGE CONDUIT STRUCTURE {4}
DIG 539  DF  HAVING A HEAT STORAGE MASS
FOR 100  DF  PROCESS (165/1) {1}
FOR 103  DF  TIME OR PROGRAM ACTUATOR (165/12)
FOR 104  DF  AUTOMATIC CONTROL (165/13) {2}