Patents by Inventor Jaipal Reddy Gurram

Jaipal Reddy Gurram 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).

  • Rapid and homogenous heat treatment of large metallic sample using high power microwaves
    Patent number: 8344301
    Abstract: A system for heat-treatment of large metallic samples including a microwave heating apparatus with a wave guide, means for monitoring and measuring temperature, holding means for holding the metallic sample. The holding means comprises a casket configuration made of low density alumina fiber board and wrapped with low density alumina fiber material to define a cavity and provided with susceptors along the inner walls of the cavity.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: January 1, 2013
    Assignee: Bharat Heavy Electricals Limited
    Inventors: Kulvir Singh, Nirmal Sharma, Jaipal Reddy Gurram, Swaminathan Gopalan
  • Niobium addition in Cr-Mo-¼V steel castings for steam turbine casing applications
    Patent number: 7981360
    Abstract: A chromium-molybdenum-vanadium (Cr—Mo—V) cast steel including 0.04 to 0.08% by weight of niobium is disclosed. The cast steel may include 0.08 to 0.12% by weight carbon. The cast steel may also have a sulphur content of 0.015% by weight or less, and a phosphorus content of 0.02% by weight or less. The silicon content may be 0.30 to 0.60% by weight, the manganese content may be 0.50 to 0.80% by weight, the chromium content may be 1.20 to 1.50% by weight, the molybdenum content may be 0.90 to 1.10% by weight, and the vanadium content may be 0.20 to 0.30% by weight.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: July 19, 2011
    Assignee: Bharat Heavy Electricals Limited
    Inventors: Kulvir Singh, Jaipal Reddy Gurram, Sudhakar Reddy Katam, Pashupati Nath, Mallesh Pudtha, Vishnu Kumar Agrawal
  • Rapid and homogenous heat treatment of large metallic sample using high power microwaves
    Publication number: 20100163554
    Abstract: A system for heat-treatment of large metallic samples including a microwave heating apparatus with a wave guide, means for monitoring and measuring temperature, holding means for holding the metallic sample. The holding means comprises a casket configuration made of low density alumina fiber board and wrapped with low density alumina fiber material to define a cavity and provided with susceptors along the inner walls of the cavity.
    Type: Application
    Filed: February 23, 2006
    Publication date: July 1, 2010
    Applicant: Bharat Heavy Electricals Limited
    Inventors: Kulvir Singh, Nirmal Sharma, Jaipal Reddy Gurram, Swaminathan Gopalan
  • Niobium Addition in Cr-Mo-1/4V Steel Castings for Steam Turbine Casing Applications
    Publication number: 20080138234
    Abstract: A chromium-molybdenum-vanadium (Cr—Mo—V) cast steel including 0.04 to 0.08% by weight of niobium is disclosed. The cast steel may include 0.08 to 0.12% by weight carbon. The cast steel may also have a sulphur content of 0.015% by weight or less, and a phosphorus content of 0.02% by weight or less. The silicon content may be 0.30 to 0.60% by weight, the manganese content may be 0.50 to 0.80% by weight, the chromium content may be 1.20 to 1.50% by weight, the molybdenum content may be 0.90 to 1.10% by weight, and the vanadium content may be 0.20 to 0.30% by weight.
    Type: Application
    Filed: March 20, 2006
    Publication date: June 12, 2008
    Applicant: BHARAT HEAVY ELECTRICALS LIMITED
    Inventors: Kulvir Singh, Jaipal Reddy Gurram, Sudhakar Reddy Katam, Pashupati Nath, Mallesh Pudtha, Vishnu Kumar Agrawal