loadpatents
Patent applications and USPTO patent grants for Gopalnarayanan; Sivakumar.The latest application filed is for "systems and methods for heat exchange".
Patent | Date |
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Systems And Methods For Heat Exchange App 20220282937 - Mu; Baojie ;   et al. | 2022-09-08 |
Systems And Methods For Determining A Fault Of An Air System For Heating, Ventilation And/or Cooling App 20220282897 - Gopalnarayanan; Sivakumar ;   et al. | 2022-09-08 |
Air mover refrigerant leak detection and risk mitigation Grant 11,435,101 - Branson , et al. September 6, 2 | 2022-09-06 |
Systems And Methods For Heat Exchanger Manufacturing App 20220274155 - Zou; Yang ;   et al. | 2022-09-01 |
Heat Pump System Defrosting Operations App 20220170673 - Gopalnarayanan; Sivakumar | 2022-06-02 |
Systems and methods for heat exchanger manufacturing Grant 11,338,353 - Zou , et al. May 24, 2 | 2022-05-24 |
Pressure expansion methods for heat exchanger manufacturing Grant 11,338,352 - Gopalnarayanan May 24, 2 | 2022-05-24 |
Air Conditioning Reheat Systems And Methods Thereto App 20220146164 - Long; Robert L. ;   et al. | 2022-05-12 |
Integrated Space Conditioning And Water Heating Systems And Methods Thereto App 20220090803 - Mu; Baojie ;   et al. | 2022-03-24 |
Systems And Methods For Heat Exchanger Manufacturing App 20220048093 - Zou; Yang ;   et al. | 2022-02-17 |
Heat Exchanger Devices And Systems And Associated Methods App 20220034593 - Zou; Yang ;   et al. | 2022-02-03 |
Pressure Expansion Methods For Heat Exchanger Manufacturing App 20220032358 - Gopalnarayanan; Sivakumar | 2022-02-03 |
Integrated Space Conditioning And Water Heating/cooling Systems And Methods Thereto App 20220010978 - Day; Christopher ;   et al. | 2022-01-13 |
Dual-circuit Heating, Ventilation, Air Conditioning, And Refrigeration Systems And Associated Methods App 20220011024 - Zou; Yang ;   et al. | 2022-01-13 |
Heat pump system defrosting operations Grant 11,209,204 - Gopalnarayanan December 28, 2 | 2021-12-28 |
Expansion Valve With Selectable Operation Modes App 20210310707 - Inamdar; Harshad ;   et al. | 2021-10-07 |
Expansion valve with selectable operation modes Grant 10,982,887 - Inamdar , et al. April 20, 2 | 2021-04-20 |
Air Mover Refrigerant Leak Detection And Risk Mitigation App 20210095876 - Branson; Michael W. ;   et al. | 2021-04-01 |
Heat Pump System Defrosting Operations App 20200378677 - Gopalnarayanan; Sivakumar | 2020-12-03 |
Expansion Valve With Selectable Operation Modes App 20200158391 - Inamdar; Harshad V. ;   et al. | 2020-05-21 |
Overflow Sensor Assembly In Temperature Control Systems App 20200149765 - Long; Robert L. ;   et al. | 2020-05-14 |
Refrigerant charge adequacy gauge Grant 7,712,319 - Braun, II , et al. May 11, 2 | 2010-05-11 |
Refrigerant charge status indication method and device Grant 7,610,765 - Kang , et al. November 3, 2 | 2009-11-03 |
Dual thermochromic liquid crystal temperature sensing for refrigerant charge indication Grant 7,552,596 - Galante , et al. June 30, 2 | 2009-06-30 |
Automatic refrigerant charging apparatus Grant 7,472,557 - Kang , et al. January 6, 2 | 2009-01-06 |
Braze-free connector utilizing a sealant coated ferrule Grant 7,419,192 - Benoit , et al. September 2, 2 | 2008-09-02 |
Detection of refrigerant charge adequacy based on multiple temperature measurements Grant 7,386,985 - Concha , et al. June 17, 2 | 2008-06-17 |
Braze-free connector utilizing a sealant coated ferrule App 20080007048 - Benoit; Jeffrey T. ;   et al. | 2008-01-10 |
Detection of refrigerant charge adequacy based on multiple temperature measurements App 20070125102 - Concha; Julio I. ;   et al. | 2007-06-07 |
Use of thermal insulation for noise abatement Grant 7,086,857 - Lai , et al. August 8, 2 | 2006-08-08 |
Visual display of temperature differences for refrigerant charge indication App 20060137368 - Kang; Pengju ;   et al. | 2006-06-29 |
Refrigerant charge status indication method and device App 20060137370 - Kang; Pengju ;   et al. | 2006-06-29 |
Dual thermochromic liquid crystal temperature sensing for refrigerant charge indication App 20060137367 - Galante; Timothy P. ;   et al. | 2006-06-29 |
Refrigerant charge adequacy gauge App 20060137364 - Braun; Robert J. II ;   et al. | 2006-06-29 |
Automatic refrigerant charging apparatus App 20060137366 - Kang; Pengju ;   et al. | 2006-06-29 |
Single sensor three-step refrigerant charge indicator App 20060137369 - Galante; Timothy P. ;   et al. | 2006-06-29 |
Braze-free connector App 20060138772 - Galante; Timothy ;   et al. | 2006-06-29 |
Braze-free connector for joining a pair of flow lines App 20060138771 - Galante; Timothy ;   et al. | 2006-06-29 |
Use of thermal insulation for noise abatement App 20060019210 - Lai; Heng-Yi ;   et al. | 2006-01-26 |
Refrigeration system having variable speed fan Grant 6,968,708 - Gopalnarayanan , et al. November 29, 2 | 2005-11-29 |
Refrigeration system having variable speed fan App 20040255603 - Gopalnarayanan, Sivakumar ;   et al. | 2004-12-23 |
Method for increasing efficiency of a vapor compression system by evaporator heating Grant 6,698,234 - Gopalnarayanan , et al. March 2, 2 | 2004-03-02 |
Expander Driven Motor For Auxiliary Machinery App 20030221434 - Neiter, Jeff J. ;   et al. | 2003-12-04 |
Expander driven motor for auxiliary machinery Grant 6,647,742 - Neiter , et al. November 18, 2 | 2003-11-18 |
Method for increasing efficiency of a vapor compression system by evaporator heating App 20030177782 - Gopalnarayanan, Sivakumar ;   et al. | 2003-09-25 |
Fluid transport App 20030019220 - Gopalnarayanan, Sivakumar ;   et al. | 2003-01-30 |
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