Click to skip top of page links USPTO IntranetIntranet HomeIndexResourcesContactsInternetSearch
Patent Intranet > Classification Home Page > Classification Search Page > Classification Schedule with Indent Level
Site Feedback
 
   Search Classification Data | Class Numbers & Titles | Class Numbers | USPC Index  | International  | HELP  | Employee by Name  | Employees by Org       

 Class   363ELECTRIC POWER CONVERSION SYSTEMS
  Click here to view a PDF version of this file
  1           CASCADED OR COMBINED, DIVERSE CONVERSIONS IN WHICH THE FREQUENCY OR PHASE OR COMBINED CONVERSION IS WITHOUT INTERMEDIATE CONVERSION TO D.C.
  2           . (1 indent ) Current and phase (e.g., D.C.-Ph1-Ph2)
  3           .. (2 indent ) Phase 1 to phase 2 to D.C.
  4           ... (3 indent ) Single phase to polyphase to D.C.
  5           ... (3 indent ) With interphase transformer
  6           .... (4 indent ) Including plural anode/single cathode device
  7           ... (3 indent ) With dynamic rectifier in phase 2 to D.C. stage (e.g., commutator type)
  8           . (1 indent ) Current and frequency (e.g., f1-f2-D.C.)
  9           . (1 indent ) Combined phase and frequency conversion (i.e., Ph1f1-Ph2f2)
  10           .. (2 indent ) By semiconductor device converter
  11           .. (2 indent ) By electron tube converter
  12           .. (2 indent ) By saturable reactor converter
  13           CURRENT CONVERSION
  14           . (1 indent ) Cryogenic
  15           . (1 indent ) Including D.C.-A.C.-D.C. converter
  16           .. (2 indent ) Having transistorized inverter
  17           ... (3 indent ) Bridge type
  18           ... (3 indent ) Single-ended, self-oscillating type
  19           .... (4 indent ) With automatic control of the magnitude of output voltage or current
  20           ... (3 indent ) Single-ended, separately-driven type
  21.01           .... (4 indent ) With automatic control of the magnitude of output voltage or current
  21.02           .... (5 indent ) For resonant-type converter
  21.03           ..... (6 indent ) Having particular zero-switching control circuit (e.g., for quasi-resonant converter, etc.)
  21.04           .... (5 indent ) For forward-type converter
  21.05           ..... (6 indent ) Having digital logic
  21.06           ..... (6 indent ) Having synchronous rectifier
  21.07           ..... (6 indent ) Having feedback isolation (e.g., optoisolator, transformer coupled, etc.)
  21.08           ..... (6 indent ) Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.)
  21.09           ..... (6 indent ) Having output current feedback
  21.1           ..... (6 indent ) Utilizing pulse-width modulation
  21.11           ...... (7 indent ) Having particular pulse-width modulation circuit
  21.12           .... (5 indent ) For flyback-type converter
  21.13           ..... (6 indent ) Having digital logic
  21.14           ..... (6 indent ) Having synchronous rectifier
  21.15           ..... (6 indent ) Having feedback isolation (e.g., optoisolator, transformer coupled, etc.)
  21.16           ..... (6 indent ) Having feedback winding inductively coupled to inverter inductive device (e.g., tertiary winding, etc.)
  21.17           ..... (6 indent ) Having output current feedback
  21.18           ..... (6 indent ) Utilizing pulse-width modulation
  22           ... (3 indent ) Double-ended (i.e., push-pull), self-oscillating type
  23           .... (4 indent ) With automatic control of the magnitude of output voltage or current
  24           ... (3 indent ) Double-ended (i.e., push-pull), separately-driven type
  25           .... (4 indent ) With automatic control of the magnitude of output voltage or current
  26           .... (5 indent ) Utilizing pulse-width modulation
  27           .. (2 indent ) Having thyristor inverter (e.g., SCR, etc.)
  28           ... (3 indent ) With automatic control of the magnitude of output voltage or current
  29           .. (2 indent ) Having electron-tube inverter
  30           ... (3 indent ) Single-ended type
  31           ... (3 indent ) Double-ended type (i.e., push-pull)
  32           .. (2 indent ) Rotary-commutator-type inverter
  33           .. (2 indent ) Vibrator-type inverter
  34           . (1 indent ) Including an A.C.-D.C.-A.C. converter
  35           .. (2 indent ) For transfer of power via a high voltage D.C. link (i.e., HVDC transmission system)
  36           .. (2 indent ) For change of phase (e.g., number of phases)
  37           .. (2 indent ) By semiconductor rectifier and inverter
  38           .. (2 indent ) By electron tube rectifier and inverter
  39           . (1 indent ) With means to introduce or eliminate frequency components
  40           .. (2 indent ) In inverter systems
  41           ... (3 indent ) By pulse modulation technique (e.g., PWM, PPM, etc.)
  42           .... (4 indent ) Including notching
  43           ... (3 indent ) By step-wave, amplitude summation technique
  44           .. (2 indent ) In rectifier systems
  45           ... (3 indent ) Including means for reducing ripples from the output
  46           .... (4 indent ) With ripple responsive, automatic control
  47           .... (4 indent ) With low pass L or LC filter
  48           .... (5 indent ) For semiconductor rectifier
  49           . (1 indent ) With starting arrangement
  50           . (1 indent ) Including automatic or integral protection means
  51           .. (2 indent ) For high voltage D.C. transmission systems
  52           .. (2 indent ) For rectifiers
  53           ... (3 indent ) Semiconductor type
  54           .... (4 indent ) Thyristor
  55           .. (2 indent ) For inverters
  56.01           ... (3 indent ) Transistor inverter
  56.02           .... (4 indent ) Bridge type
  56.03           .... (5 indent ) Having current protection (e.g., over current, short, etc.)
  56.04           ..... (6 indent ) Including short protection across a series-connected pair of transistors (e.g., shoot-through protection, etc.)
  56.05           .... (5 indent ) Having voltage protection
  56.06           .... (4 indent ) Double-ended type
  56.07           .... (5 indent ) Having current protection
  56.08           .... (5 indent ) Having voltage protection
  56.09           .... (4 indent ) Single-ended type
  56.1           .... (5 indent ) Having current protection
  56.11           .... (5 indent ) Having voltage protection
  56.12           .... (4 indent ) Transient protection (e.g., snubber, etc.)
  57           ... (3 indent ) Thyristor inverter
  58           .... (4 indent ) Bridge type
  59           . (1 indent ) With voltage multiplication means (i.e., V out > V in)
  60           .. (2 indent ) Including semiconductor means
  61           ... (3 indent ) For rectifying
  62           . (1 indent ) With voltage division by storage type impedance (i.e., V out)
  63           . (1 indent ) With means to selectively provide D.C. of either polarity
  64           . (1 indent ) With interphase transformer
  65           . (1 indent ) Having plural converters for single conversion
  66           .. (2 indent ) Including plural anodes and single cathode (e.g., vapor arc device)
  67           .. (2 indent ) Plural rectifiers
  68           ... (3 indent ) In series (e.g., series SCR's, bridge circuits, etc.)
  69           ... (3 indent ) In parallel
  70           .... (4 indent ) Including semiconductor device
  71           .. (2 indent ) Plural inverters
  72           ... (3 indent ) Master-slave
  73           . (1 indent ) Constant current to constant voltage or vice versa
  74           . (1 indent ) With condition responsive means to control the output voltage or current
  75           .. (2 indent ) Including inductive integral sensing and control means (e.g., ferroresonant circuit)
  76           .. (2 indent ) Including integral sensing and control means for rectifier
  77           ... (3 indent ) With semiconductor conversion means
  78           .. (2 indent ) Cooperating separate sensing and control means
  79           ... (3 indent ) Including plural sensing or control means
  80           .... (4 indent ) With transistor as control means in the line circuit
  81           .... (4 indent ) By rectifier
  82           .... (5 indent ) With inductive control means in the line circuit
  83           .... (5 indent ) With electron tube or valve as control means in the line circuit
  84           ... (3 indent ) For rectifier system
  85           .... (4 indent ) With thyristor control means in the line circuit
  86           .... (5 indent ) External to rectifier (e.g., pre or post regulation)
  87           .... (5 indent ) For plural phase to D.C. rectifier
  88           .... (5 indent ) For full wave rectifier with at least 1 three electrode device
  89           .... (4 indent ) With transistor control means in the line circuit
  90           .... (4 indent ) With inductive control means in the line circuit
  91           .... (5 indent ) Saturable reactor (e.g., magnetic amplifier)
  92           ..... (6 indent ) In plural phase to D.C. system
  93           ..... (6 indent ) With plural control windings
  94           .... (4 indent ) With electron tube or valve control means in the line circuit
  95           ... (3 indent ) For inverter
  96           .... (4 indent ) With thyristor control means in the line circuit
  97           .... (4 indent ) With transistor control means in the line circuit
  98           .... (5 indent ) For bridge-type inverter
  99           .... (4 indent ) With electron tube or valve control means in the line circuit
  100           . (1 indent ) With manual control of the output voltage or current
  101           . (1 indent ) With auxiliary bucking or boosting EMF
  102           . (1 indent ) Using dynamoelectric machine converter
  103           .. (2 indent ) Plural collector type
  104           ... (3 indent ) Having plural field windings
  105           ... (3 indent ) Having auxiliary motor drive
  106           . (1 indent ) By circuit interrupter type
  107           .. (2 indent ) Rotating
  108           ... (3 indent ) Rectifier (i.e., A.C.-D.C.)
  109           ... (3 indent ) Inverter (i.e., D.C.-A.C.)
  110           .. (2 indent ) Vibrating
  111           . (1 indent ) Using electronic tube converter
  112           .. (2 indent ) With gap in open atmosphere
  113           .. (2 indent ) With cathode element control
  114           .. (2 indent ) In rectifier systems
  115           ... (3 indent ) With retarding or delaying control means
  116           ... (3 indent ) With discharge control means (e.g., grid)
  117           .... (4 indent ) D.C. bias control
  118           .... (4 indent ) Phase angle control
  119           .... (4 indent ) Particular waveform grid excitation
  120           .. (2 indent ) In inverter systems
  121           ... (3 indent ) With discharge control means (e.g., grid)
  122           .... (4 indent ) Grid-like electrode
  123           . (1 indent ) Using semiconductor-type converter
  124           .. (2 indent ) In chopper converter systems
  125           .. (2 indent ) In rectifier systems
  126           ... (3 indent ) Diode
  127           ... (3 indent ) Transistor
  128           ... (3 indent ) Thyristor
  129           .... (4 indent ) Plural phase to D.C.
  130           .... (4 indent ) With magnetic control means
  131           .. (2 indent ) In transistor inverter systems
  132           ... (3 indent ) Bridge type
  133           ... (3 indent ) Double ended (i.e., push-pull) type
  134           .... (4 indent ) Separately driven
  135           .. (2 indent ) In thyristor inverter systems
  136           ... (3 indent ) Bridge type
  137           .... (4 indent ) D.C. to plural phase
  138           .... (5 indent ) With commutation means
  139           ... (3 indent ) Double ended (i.e., push-pull) type
  140           . (1 indent ) Using impedance-type converter
  141           . (1 indent ) With cooling means
  142           . (1 indent ) With means to connect the input to diverse power sources
  143           .. (2 indent ) 110/220 Volts A.C. in, constant 110 Volts D.C. out
  144           . (1 indent ) With conductive support mounting
  145           .. (2 indent ) Adapted for use with alternators
  146           . (1 indent ) Encased in plug housing
  147           . (1 indent ) Integrated circuit
  148           PHASE CONVERSION (PH1-PH2) WITHOUT INTERMEDIATE CONVERSION TO D.C.
  149           . (1 indent ) With automatic voltage magnitude or phase angle control
  150           . (1 indent ) By dynamoelectric machine converter
  151           . (1 indent ) By electron tube converter
  152           . (1 indent ) By induction-type converter
  153           .. (2 indent ) Transformer type
  154           ... (3 indent ) Stationary
  155           .... (4 indent ) With passive phase shift element
  156           . (1 indent ) By passive phase shift elements
  157           FREQUENCY CONVERSION (F1-F2) WITHOUT INTERMEDIATE CONVERSION TO D.C.
  158           . (1 indent ) By varactor
  159           . (1 indent ) By semiconductor converter
  160           .. (2 indent ) Thyristor type
  161           ... (3 indent ) Positive and negative groups
  162           .... (4 indent ) Including blanking or inhibiting means
  163           .. (2 indent ) Transistor type
  164           . (1 indent ) With automatic voltage magnitude control
  165           . (1 indent ) With automatic frequency control
  166           . (1 indent ) By electron tube converter
  167           .. (2 indent ) With discharge control means
  168           ... (3 indent ) Including plural anodes and single cathode device (e.g., vapor arc device)
  169           ... (3 indent ) Thyratron type
  170           . (1 indent ) By induction-type converter
  171           .. (2 indent ) Transformer
  172           ... (3 indent ) Saturable core
  173           .. (2 indent ) LC circuit
  174           .. (2 indent ) Dynamoelectric machine
  175           ... (3 indent ) Motor generator type
  176           ... (3 indent ) Including induction motor
  177           . (1 indent ) By circuit interrupter converter
  178           MISCELLANEOUS
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
 
             CURRENT CONVERSION
             . (1 indent ) Cryogenic
             .. (2 indent ) Including D.C.- A.C.- D.C. converter
             ... (3 indent ) Bridge type
  FOR100           .... (4 indent ) With automatic control of the magnitude of the output voltage or current (363/21)
  FOR101           ... (3 indent ) Semiconductor type (363/56)


   Note: Some content linked to on this page may require a plug-in for Adobe Acrobat Reader.

This file produced by USPTO - SIRA - Office of Patent Automation - ReferenceTools Project. Questions or comments relating to this file should be directed to Patent Automation Feedback.

Click to skip end of page links


Intranet Home | Index | Resources | Contacts | Internet | Search | Firewall | Web Services

This data is current as of June/2006