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
Biomedical electro-stimulator
Resolution setting apparatus, resolution setting method, and recording medium recording a resolution setting program when a television is used as a monitor of a computer
Method of producing probabilities of being a template shape
Nuclear fuel assembly bottom nozzle
Sublingual coated tablet of fentanyl
Device and process for isolating and cultivating live cells on a filter or extracting their genetic material
Xylitol-based anti-mucosal compositions and related methods and compositions
  Randomly Featured Patents
Trypanosoma cruzi glycoprotein vaccine for inducing immunity to Chagas' disease
Cellulosic composition
Liquid crystal display device having an improved video line driver circuit
Simultaneous producting of higher chloromethanes
Content protection system, key data generation apparatus, and terminal apparatus
Method of and apparatus for casting directionally solidified articles
Aromatic polyamides containing ether linkages and process for producing same
Apparatus and method for automatically generating satellite operation procedure parameters
Electrodeposited doped II-VI semiconductor films and devices incorporating such films
Handle for tool