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 864
290/2 Heating plants 202
290/3 Train 32
290/45 Traction 119
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 14
290/50 Battery 57
290/51 Engine control 54
290/52 Turbogenerators 641
290/53 Tide and wave motors 679
290/54 Fluid-current motors 885
290/6 Multiple-armature dynamo 29
290/7 Electric control 53

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Power converter with capacitive energy transfer and fast dynamic response
Method of recovering polyhydroxyalkanoates (PHAs) from municipal waste sludge
Methodology framework and delivery vehicle
Ticket-based trial account
Fully insulated glass panel rolling door
Stud for stud welding
Bed sheet for multiple length mattresses
  Randomly Featured Patents
Ticket dispenser
Camera holder
Antifungal nail solution
Radar apparatus
Keyboard device for electronic musical instrument
TGF-beta binding antibodies
Acrylic polymer electrophoresis support media
Check valve for a trocar system
Dynamic semiconductor memory device