Hexagonal spanner

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080110305A1
SERIAL NO

11599557

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A hexagonal spanner having an L shape comprises a short driving portion having a groove at one distal end thereof; and a first tightening unit enclosing around the groove of the short driving portion; an outer diameter of the first tightening unit being greater than a maximum diameter of the short driving portion; and a long driving portion having a groove at one distal end thereof; and a second tightening unit enclosing around the groove; an outer diameter of the second tightening unit being greater than a maximum diameter of the long driving portion.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddressTotal Patents
TSAI, CHENG-CHIENTAICHUNG CITY, TW0

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsai, Cheng-Chien Taichung, TW 3 1

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (5)
* 5140877 Hexagonal wrench 29 1992
* 2004/0031,360 Hex wrench 2 2002
* 2004/0226,413 Joint for connecting wrench with socket 0 2003
* 7044034 Slide stop device of a hexagonal spanner 5 2004
* 2007/0068,349 Hexagonal wrench 3 2006
 
PHILLIPS SCREW COMPANY (1)
* 6152000 Driver bit and driver 6 1998
 
BONDHUS CORPORATION (2)
* 2003/0164,074 Tool with fastener engaging member 0 2002
* 6684741 Tool with fastener engaging member 25 2002
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 7614963 Golf club shaft insert assemblies, insert assembly systems and apparatus for use with same 5 2007
* Cited By Examiner