Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 290/4F
Name: Prime-mover dynamo plants >
Description:










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
Semiconductor device
Method for facilitating assessment of a coursework answer and moderating the assessment
Systems and methods for sorting particles
Analog-to-digital converter control using signal objects
Distributive data capture
Apparatus for generating electrical energy from rocking activated energy
Owner-brokered knowledge sharing machine
  Randomly Featured Patents
Diffusion filter and method of making same
Controlled depth penetrant apparatus and method
Method for the detection and treatment of aberrant neural-electric activity
Shoulder and back weight for exercising
Opacified enamel for direct-on enamelling on unpickled steel plate
Time attendance clock and system
Vertical axis windmill with multistage feathering of blades and safety storm control
Image forming apparatus
Underbalanced well completion
Dual chamber pacemaker with single pass lead and with bipolar and unipolar signal processing capability