Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 290/74
Name: Prime-mover dynamo plants >

Sub-classes under this class:

Class Number Class Name Patents
290/1R Miscellaneous 901
290/2 Heating plants 204
290/3 Train 32
290/45 Traction 121
290/46 Starting and generating dynamo 134
290/47 Electric-starting motor with generator 28
290/48 Electric-starting motor 175
290/49 Rotary field and armature 13
290/4R Plural prime mover 148
290/5 Alternating current, rotary field and armature 15
290/50 Battery 57
290/51 Engine control 54
290/52 Turbogenerators 643
290/53 Tide and wave motors 703
290/54 Fluid-current motors 912
290/6 Multiple-armature dynamo 30
290/7 Electric control 57

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Information distribution system, information distributing method, node, and recording medium
Method of processing data and display apparatus for performing the method
Method and device for reliable estimation of network traffic
Polarization-coupled ferroelectric unipolar junction memory and energy storage device
Method of generating integrated circuit model
System and method to assess and report the health of landing gear related components
Case for a tablet computer
  Randomly Featured Patents
Car wash sprayer
Implosion shaped charge perforator
Container with pull-out compartments
Structure for a single shared instruction predecoder for supporting multiple processors
Dental flossing apparatus
Print control method and apparatus
Global navigation satellite system apparatus display screen with user interface for an application launcher
Anti-roosting device