Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: D25/28
Name: Building units and construction elements > Structure > Having angular roof > Trapezoidal or triangular surface > Inverted

Patents under this class:

Patent Number Title Of Patent Date Issued
4067347 Solar heated shelter with moveable secondary roof Jan. 10, 1978

  Recently Added Patents
Simplified algorithm for abnormal situation prevention in load following applications including plugged line diagnostics in a dynamic process
Systems and methods for parameter adaptation
Atomic oscillator and manufacturing method
Data transfer device and data transfer method
System and method for operating an electric power converter
System and method for managing a loyalty program via an association network infrastructure
System and method for internet based procurement of goods and services
  Randomly Featured Patents
Ink-jet recording apparatus and method of manufacturing the same
Ink jet printing apparatus and ink jet printing method
Process and apparatus for determining female ovulation time by measurement of saliva viscoelasticity
Fiber optic tufts for flow separation detection
Utility line support member
Anti-theft apparatus for riding saddles
Double-end punching and exercise bag
Compound automotive rearview mirror
2-(1,2,4-triazole-1-yl)-1,3,4-thiadiazole derivatives having an effect on the C.N.S. and the heart
Circuit member, manufacturing method of the circuit member, and semiconductor device including the circuit member