Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/254
Name: Hydraulic and earth engineering > Foundation > Columnar structure (e.g., pier, pile) > With driving or cutting tip > Longitudinally ribbed
Description: Method or apparatus wherein the elongated member or driving tip is provided with a protruding ridge along its length or a portion thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
7556454 Irregularly surfaced H pile Jul. 7, 2009
7494299 Piling apparatus having rotary drive Feb. 24, 2009
7114886 Structural helical pile Oct. 3, 2006
7018139 Structural helical pile Mar. 28, 2006
6382879 Pile and method thereof May. 7, 2002
6264403 Pile and method of driving a pile Jul. 24, 2001
5797704 Pier foundation and method of installation Aug. 25, 1998
5295767 Stabilizer for an in situ column drilling apparatus Mar. 22, 1994
4986373 Post hole digger Jan. 22, 1991
4911581 Pre-cast concrete pile and method and apparatus for its introduction into the ground Mar. 27, 1990
4657441 Penetration conductor pipe drive shoe Apr. 14, 1987











 
 
  Recently Added Patents
Organic light emitting diode light source device
Methods, systems, and computer program product for virtually modifying surface region curvature to detect protrusions
Topology discovery, control channel establishment, and datapath provisioning within an aggregation network with centralized control
Computer-implemented method of constructing a stock index using index rotation
Method and receiver for jointly decoding received communication signals using maximum likelihood detection
Buffering stop structure and corresponding packing case
Tailoring the band gap of solar cells made of liquid silane by adding germanium
  Randomly Featured Patents
Non-reciprocal circuit element and millimeter-wave hybrid integrated circuit board with the non-reciprocal circuit element
Disc loading apparatus
Operating method, electronic ballast and system for resonant operation of high pressure lamps in the longitudinal mode
Tripod
System for providing location based service to a wireless telephone set in a telephone system
Process for recovery of niobium values for use in preparing niobium alloy products
Network authentication for accessing social networking system information by a third party application
Standardized email construction and search based on geographic location
Manipulator of robot
Bicycle frame and bicycle