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Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 361: Electricity: Electrical Systems And Devices

Systems or devices which provide safety and protection for other systems and devices; control circuits for electromagnetic devices and non-electromagnetic-type relays. Systems or devices which discharge, or prevent the accumulation of electrical charge on or in an object or material; circuits for charging objects or materials. Systems for generating or conducting an electric charge. Systems which process electrical speed signals. Circuits for reversing the polarity of an electric circuit. Systems which cause the ignition of a fuel or an explosive charge. Systems and processes for demagnetizing a magnetic field. Transformers and inductors with integral switch, capacitor or lock. Electrostatic capacitors, per se. Housings and mounting assemblies with plural diverse electrical components. Electrolytic systems and devices.

Subclass 690: Air
Subclass 698: And liquid
Subclass 699: Liquid
Subclass 700: Change of physical state
Subclass 701: With heat exchanger unit
Subclass 702: With cold plate or heat sink
Subclass 703: With cooling fins
Subclass 704: Thermal conduction
Subclass 707: Through support means
Subclass 708: Specific chemical compound or element
Subclass 709: Heat sink
Subclass 712: Thermally and electrically conductive
Subclass 719: Circuit board mounted

Class 165: Heat Exchange

Apparatus or process not provided for in other classes for transferring heat, or apparatus or process not provided for in other classes relating to an auxiliary device particularly adapted to be used with such heat transfer apparatus.

Subclass 104.21: Utilizing change of state
Subclass 104.26: Utilizing capillary attraction
Subclass 104.28: Including means to move heat exchange material
Subclass 104.33: Cooling electrical device
Subclass 129: Heating or cooling means within distinct flue forming enclosure
Subclass 131: Flues formed by vertical corrugations of heat transmitter
Subclass 80.3: Air cooled, including fins
Subclass 80.4: Liquid cooled

Class 257: Active Solid-State Devices (E.G., Transistors, Solid-State Diodes)

This class provides for active solid-state electronic devices, that is, electronic devices or components that are made up primarily of solid materials, usually semiconductors, which operate by the movement of charge carriers - electrons or holes - which undergo energy level changes within the material and can modify an input voltage to achieve rectification, amplification, or switching action, and are not classified elsewhere.

Subclass 706: With heat sink
Subclass 707: Directly attached to semiconductor device
Subclass 709: With specified insulator to isolate device from housing
Subclass 714: Liquid coolant
Subclass 715: Boiling (evaporative) liquid
Subclass 716: Cryogenic liquid coolant
Subclass 718: Heat dissipating element held in place by clamping or spring means
Subclass 719: Pressed against semiconductor element
Subclass 720: Heat dissipating element has high thermal conductivity insert (e.g., copper slug in aluminum heat sink)
Subclass 722: With fins
Subclass E23.086: Snap-on arrangements, e.g., clips (EPO)
Subclass E23.088: Cooling by change of state, e.g., use of heat pipes (EPO)
Subclass E23.093: In combination with jet impingement (EPO)
Subclass E23.094: Pistons, e.g., spring-loaded members (EPO)
Subclass E23.098: By flowing liquids (EPO)
Subclass E23.099: By flowing gases, e.g., air (EPO)
Subclass E23.1: Jet impingement (EPO)
Subclass E23.101: Selection of materials, or shaping, to facilitate cooling or heating, e.g., heat sinks (EPO)
Subclass E23.102: Cooling facilitated by shape of device (EPO)
Subclass E23.103: Foil-like cooling fins or heat sinks (EPO)
Subclass E23.105: Wire-like or pin-like cooling fins or heat sinks (EPO)
Subclass E23.107: Organic materials with or without thermo-conductive filler (EPO)
Subclass E23.11: Cooling facilitated by selection of materials for device (or materials for thermal expansion adaptation, e.g., carbon) (EPO)
Subclass E23.112: Having heterogeneous or anisotropic structure, e.g., powder or fibers in matrix, wire mesh, porous structures (EPO)

Class 138: Pipes And Tubular Conduits

Tubular members of definite or indefinite length including wall structure of the tubular members. Fluid pressure compensators, flow regulators, or baffles not restricted by structure to use with any particular art. Devices for thawing frozen fluid in pipes, for preventing the fluid in the pipes from freezing and for preventing the pipe from bursting if frozen. Pipes with closures and plugs where tied with the structure of the pipe or limited by structure to use with a pipe. Methods and apparatus for repairing pipes where not elsewhere classifiable.

Subclass 38: Heat transfer

Class 174: Electricity: Conductors And Insulators

This class is for inventions relating to the structure of electrical conductors and insulators and insulators and the apparatus specialized to mounting, supporting, encasing in conduits, and/or housing the same. Conductors may be bare or be encased in insulation, may be single strand or plural strand, may be of single conductor form or there may be a plurality of conductors associated together to form a cable. Since all materials that have the property of being conductors of electricity and all devices made therefrom may be termed electrical conductors, only those structures that are specially designed to conduct electricity as their proximate purpose are placed in this class. Insulators are placed here when the structure thereof is claimed, which structure is specially designed for spacing two or more devices of different electrical potential from each other or for spacing one or more devices from ground. Since all materials which are poor conductors of electricity and devices made therefrom may be termed electrical insulators, only those structures whose proximate purpose is that already stated. Conduits are placed in this class only when some characteristic is claimed which limits the same to the electrical use.

Subclass 15.1: With cooling or fluid feeding, circulating or distributing
Subclass 15.2: By heat pipe
Subclass 16.3: With heat sink

Class 415: Rotary Kinetic Fluid Motors Or Pumps

This is the class for apparatus, and corresponding methods of operating such apparatus, comprising a runner, and in which a working fluid is guided to, around, or from, the runner. A means for guiding or confining, the working fluid must be present. This class includes typically turbines, wind and water wheels, centrifugal pumps and blowers; and such casings, conduits, guide means and other elements peculiar to the subject matter of this class not otherwise classifiable.

Subclass 178: Working fluid on at least one side of heat exchange wall
Subclass 214.1: Casing having multiple parts releasably clamped (e.g., casing seal, etc.)

Class 137: Fluid Handling

Fluid material handling, and takes processes, systems, combinations, subcombinations and certain elements pertaining thereto not otherwise classified. Fluid materials include gas and liquids primarily, but the handling of other flowable materials, as fluent granular solids, is also found. Handling of fluent material by flow, as by confining, directing, causing and/or controlling the flow, and includes making the material available for flow or separating a smaller from a larger body of fluid material, as by tanks, containers, receivers, traps, etc., or pipes or conduits, with or without siphons, pumps, pressure or displacing fluids or other flow imparting means.

Subclass 625.48: Reciprocating valve unit

Class 62: Refrigeration

(1) processes and apparatus peculiar to removing heat from a substance, usually by a change of phase of a coolant or refrigerant, as by evaporation, melting or sublimation, (2) the resultant product of part (1), e.g., ice, liquefied or solidified gases, and (3) processes and apparatus peculiar to handling the latter as a stored product, not elsewhere provided for.


Class D23: Environmental Heating And Cooling; Fluid Handling And Sanitary Equipment

Ornamental designs for: fluid handling or treatment equipment; sanitary fixture or housing therefor; heating or cooling; miscellaneous.