Patents by Inventor Senthilukumaran Kothandaraman

Senthilukumaran Kothandaraman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Threaded fastener
    Patent number: 9046120
    Abstract: A threaded fastener having a threaded portion with a ratio of pitch diameter to minor diameter less than 1.28, and the threaded portion with a major diameter portion, a leading flank having a normal angle between 10° and 60°, a trailing flank having a normal angle between 1° and 30°, and a shank portion extending between the trailing flank and the leading flank of adjacent threads of a arcuate surface having a radius greater than the thread height. The arcuate surface forming the shank portion may have a radius between 1.2 and 1.8 times the thread height.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: June 2, 2015
    Assignee: Infastech Intellectual Properties Pte. Ltd
    Inventors: Cheng Siong Phua, Senthilukumaran Kothandaraman
  • THREADED FASTENER
    Publication number: 20120257945
    Abstract: A threaded fastener having a threaded portion with a ratio of pitch diameter to minor diameter less than 1.28, and the threaded portion with a major diameter portion, a leading flank having a normal angle between 10° and 60°, a trailing flank having a normal angle between 1° and 30°, and a shank portion extending between the trailing flank and the leading flank of adjacent threads of a arcuate surface having a radius greater than the thread height. The arcuate surface forming the shank portion may have a radius between 1.2 and 1.8 times the thread height.
    Type: Application
    Filed: September 30, 2011
    Publication date: October 11, 2012
    Applicant: INFASTECH INTELLECTUAL PROPERTIES PTE. LTD.
    Inventors: Cheng Siong Phua, Senthilukumaran Kothandaraman