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
Image processing apparatus, image processing method, and program to create a composite image from color image data and monochrome image data
Multiple carrier compression scheme
Shape based similarity of continuous wave doppler images
Locking flange
Method for producing carrier on which microorganisms capable of conducting multiple parallel mineralization are immobilized, column reactor and solid medium for cultivating plants
Tactile output device for computing device notifications
Modular sport center
  Randomly Featured Patents
Integrated circuit and receiving device
Combined digital wrist watch and thermometer
Bobbin housing assembly in a sewing machine having at least one hook
Open chain prolyl urea-related modulators of androgen receptor function
Phenyl acetic acid preparation
Process for making metallized vias in diamond substrates
Quasi-phase-matched wavelength converter
Lanthanide yttrium aluminum oxide dielectric films
Cerumen protection system for hearing aid devices
Optical character reader