Patents by Inventor Siva Iyer

Siva Iyer 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).

  • Patent number: 11874179
    Abstract: There is disclosed a handheld air flow velocity measurement probe that includes a bridge circuit assembly having an airflow velocity sensor that is a resistance temperature detector (RTD) and a digitally controlled resistive element to dynamically adjust and maintain the resistance of the velocity sensor within the overheat temperature predefined range. The velocity measurement also uses a separate temperature sensor to sense the temperature of the air or gas flow. A humidity sensor is also included remote from the other sensors to measure humidity in the gas flow to be measured. All of the above described components are housed at a probe tip instead of a base as in most standard handheld probes and the digital interface at the probe tip allows the user to replace a bulky, expensive telescoping antenna with stackable extender scheme.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: January 16, 2024
    Assignee: TSI, Incorporated
    Inventors: Frederick R. Quant, Jugal Agarwal, Siva Iyer
  • Publication number: 20210199513
    Abstract: There is disclosed a handheld air flow velocity measurement probe that includes a bridge circuit assembly having an airflow velocity sensor that is a resistance temperature detector (RTD) and a digitally controlled resistive element to dynamically adjust and maintain the resistance of the velocity sensor within the overheat temperature predefined range. The velocity measurement also uses a separate temperature sensor to sense the temperature of the air or gas flow. A humidity sensor is also included remote from the other sensors to measure humidity in the gas flow to be measured. All of the above described components are housed at a probe tip instead of a base as in most standard handheld probes and the digital interface at the probe tip allows the user to replace a bulky, expensive telescoping antenna with stackable extender scheme.
    Type: Application
    Filed: March 15, 2021
    Publication date: July 1, 2021
    Inventors: Frederick R. Quant, Jugal Agarwal, Siva Iyer
  • Patent number: 10948364
    Abstract: There is disclosed a handheld air flow velocity measurement probe that includes a bridge circuit assembly having an airflow velocity sensor that is a resistance temperature detector (RTD) and a digitally controlled resistive element to dynamically adjust and maintain the resistance of the velocity sensor within the overheat temperature predefined range. The velocity measurement also uses a separate temperature sensor to sense the temperature of the air or gas flow. A humidity sensor is also included remote from the other sensors to measure humidity in the gas flow to be measured. All of the above described components are housed at a probe tip instead of a base as in most standard handheld probes and the digital interface at the probe tip allows the user to replace a bulky, expensive telescoping antenna with stackable extender scheme.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: March 16, 2021
    Assignee: TSI, INCORPORATED
    Inventors: Frederick R. Quant, Jugal Agarwal, Siva Iyer
  • Publication number: 20190234811
    Abstract: There is disclosed a handheld air flow velocity measurement probe that includes a bridge circuit assembly having an airflow velocity sensor that is a resistance temperature detector (RTD) and a digitally controlled resistive element to dynamically adjust and maintain the resistance of the velocity sensor within the overheat temperature predefined range. The velocity measurement also uses a separate temperature sensor to sense the temperature of the air or gas flow. A humidity sensor is also included remote from the other sensors to measure humidity in the gas flow to be measured. All of the above described components are housed at a probe tip instead of a base as in most standard handheld probes and the digital interface at the probe tip allows the user to replace a bulky, expensive telescoping antenna with stackable extender scheme.
    Type: Application
    Filed: February 15, 2016
    Publication date: August 1, 2019
    Inventors: Frederick R. Quant, Jugar Agarwal, Siva Iyer
  • Publication number: 20180238746
    Abstract: There is disclosed a handheld air flow velocity measurement probe that includes a bridge circuit assembly having an airflow velocity sensor that is a resistance temperature detector (RTD) and a digitally controlled resistive element to dynamically adjust and maintain the resistance of the velocity sensor within the overheat temperature predefined range. The velocity measurement also uses a separate temperature sensor to sense the temperature of the air or gas flow. A humidity sensor is also included remote from the other sensors to measure humidity in the gas flow to be measured. All of the above described components are housed at a probe tip instead of a base as in most standard handheld probes and the digital interface at the probe tip allows the user to replace a bulky, expensive telescoping antenna with stackable extender scheme.
    Type: Application
    Filed: February 15, 2016
    Publication date: August 23, 2018
    Inventors: Frederick R. Quant, Jugar Agarwal, Siva Iyer
  • Publication number: 20100332077
    Abstract: A wireless winch switch system has a removable switch module that is removably retained by a receptacle. The removable switch module has a rechargeable power source and wireless communications module that transmits a winch control signal based on the position of a switch. Control circuitry receives the winch control signal and controls a winch. The receptacle is mounted to a vehicle and obtains energy from a power source such as the vehicle's battery. The removable switch module can obtain the energy from the receptacle and thereby charge the rechargeable battery.
    Type: Application
    Filed: June 26, 2009
    Publication date: December 30, 2010
    Inventors: Todd Hanson, Michael Hamm, Siva Iyer
  • Patent number: 6130323
    Abstract: Non-nucleotide reagents capable of forming oligomers with nucleotide units are disclosed, together with intermediates for synthesizing such non-nucleotide reagents, oligomers incorporating such reagents, kits containing such reagents and methods for their use in forming oligomers with nucleotide units.
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: October 10, 2000
    Assignee: BioGenex Laboratories
    Inventors: Sheng-Hui Su, Rajkumar Siva Iyer, Sunil K. Aggarwal, Krishan L. Kalra
  • Patent number: 5916750
    Abstract: Reagents capable of forming branched oligomers with monomeric units are disclosed, together with oligomers incorporating such reagents, kits containing such reagents and methods for use of such reagents in forming oligomers with monomeric units. The present reagents can advantageously be used to introduce multiple labels or reporter molecules onto oligomers such as oligonucleotides and oligopeptides. In particular, non-nucleosidic phosphoramidites based on 1,3,5-tris(2-hydroxyethyl)cyanuric acid are disclosed. Multiply-labeled, branched DNA oligomer probes constructed using these phosphoramidite reagents showed increased signal intensity relative to singly-labeled oligomer probes.
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: June 29, 1999
    Assignee: BioGenex Laboratories
    Inventors: Rajkumar Siva Iyer, Sheng-Hui Su, Anita Inamdar, Krishan L. Kalra