Patents by Inventor Uttam Kumar Sharma

Uttam Kumar Sharma 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).

  • HVAC systems having air-tight access doors
    Patent number: 11384594
    Abstract: The present disclosure relates to an HVAC system door assembly that includes a door that includes a panel having a first side and a second side opposite the first side, and a first seal circuit. The first seal circuit is disposed on the first side. The HVAC system door assembly also includes a door frame that includes a second seal circuit. HVAC system door assembly further includes a ridge projecting from one of the first seal circuit or the second seal circuit configured to align with and engage a central portion of the other of the first seal circuit or the second seal circuit when the door is in a closed position with respect to the door frame. The ridge includes a cross-sectional profile having a flattened peak section with sloping side sections that extend from boundaries of the flattened peak section to a base of the ridge.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: July 12, 2022
    Assignee: Johnson Controls Tyco IP Holdings LLP
    Inventors: John L. McElvany, Sriram Ramanujam, Uttam Kumar Sharma, Curtis A. Trammell
  • HVAC SYSTEMS HAVING AIR-TIGHT ACCESS DOORS
    Publication number: 20210054686
    Abstract: The present disclosure relates to an HVAC system door assembly that includes a door that includes a panel having a first side and a second side opposite the first side, and a first seal circuit. The first seal circuit is disposed on the first side. The HVAC system door assembly also includes a door frame that includes a second seal circuit. HVAC system door assembly further includes a ridge projecting from one of the first seal circuit or the second seal circuit configured to align with and engage a central portion of the other of the first seal circuit or the second seal circuit when the door is in a closed position with respect to the door frame. The ridge includes a cross-sectional profile having a flattened peak section with sloping side sections that extend from boundaries of the flattened peak section to a base of the ridge.
    Type: Application
    Filed: November 9, 2020
    Publication date: February 25, 2021
    Inventors: John L. McElvany, Sriram Ramanujam, Uttam Kumar Sharma, Curtis A. Trammell
  • HVAC systems having air-tight access doors
    Patent number: 10829986
    Abstract: The present disclosure relates to an HVAC system door assembly that includes a door that includes a panel having a first side and a second side opposite the first side, and a first seal circuit. The first seal circuit is disposed on the first side. The HVAC system door assembly also includes a door frame that includes a second seal circuit. HVAC system door assembly further includes a ridge projecting from one of the first seal circuit or the second seal circuit configured to align with and engage a central portion of the other of the first seal circuit or the second seal circuit when the door is in a closed position with respect to the door frame. The ridge includes a cross-sectional profile having a flattened peak section with sloping side sections that extend from boundaries of the flattened peak section to a base of the ridge.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: November 10, 2020
    Assignee: Johnson Controls Technology Company
    Inventors: John L. McElvany, Sriram Ramanujam, Uttam Kumar Sharma, Curtis A. Trammell
  • HVAC SYSTEMS HAVING AIR-TIGHT ACCESS DOORS
    Publication number: 20190330917
    Abstract: The present disclosure relates to an HVAC system door assembly that includes a door that includes a panel having a first side and a second side opposite the first side, and a first seal circuit. The first seal circuit is disposed on the first side. The HVAC system door assembly also includes a door frame that includes a second seal circuit. HVAC system door assembly further includes a ridge projecting from one of the first seal circuit or the second seal circuit configured to align with and engage a central portion of the other of the first seal circuit or the second seal circuit when the door is in a closed position with respect to the door frame. The ridge includes a cross-sectional profile having a flattened peak section with sloping side sections that extend from boundaries of the flattened peak section to a base of the ridge.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 31, 2019
    Inventors: John L. McElvany, Sriram Ramanujam, Uttam Kumar Sharma, Curtis A. Trammell