Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: D13/303
Name: Equipment for production, distribution, or transformation of energy >

Sub-classes under this class:

Class Number Class Name Patents
D13/100 Solid fuel 45
D13/101 Energy conversion or transformation 97
D13/123 Distribution, modification or control 196
D13/183 Magnet 66
D13/184 Casing or enclosure not elsewhere specified 673
D13/199 Miscellaneous 121

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Method for accessing wireless network
Method and system for associating a cell-sector with time-dependent location parameters
Systems and methods for universal enhanced log-in, identity document verification and dedicated survey participation
Efficient forward ranking in a search engine
System and method for managing content on a network interface
Probe for ultrasound diagnostic apparatus
  Randomly Featured Patents
Recompression of files at an intermediate node in a network system
Method of forming a laminated fire screening panel
Production of high purity aromatic carboxylic acid by oxidation in benzoic acid and water solvent
Separation column containing S-carboxyalkylcysteine
Hydrostatic mechanical seal with local pressurization of seal interface
Continuously operating material press
Step-by-step motor unit
Method of modifying synthetic or natural polyamide products
Integrated automatic call distribution facility and PBX system
Semiconductor memory device allowing mounting of built-in self test circuit without addition of interface specification