Patents by Inventor Surender Makhija

Surender Makhija 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: 9124108
    Abstract: A battery testing and charging system that includes at least one battery testing device and at least one battery charging device, wherein the battery testing device is removable from the battery charging device and wherein the battery testing device may communicate with a plurality of battery charging devices. Also, a method of testing and charging a battery that may be implemented using, for example, the above-described battery testing and charging system.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: September 1, 2015
    Assignee: BOSCH AUTOMOTIVE SERVICE SOLUTIONS INC.
    Inventors: Surender Makhija, Garret Miller
  • Publication number: 20120153892
    Abstract: A battery testing and charging system that includes at least one battery testing device and at least one battery charging device, wherein the battery testing device is removable from the battery charging device and wherein the battery testing device may communicate with a plurality of battery charging devices. Also, a method of testing and charging a battery that may be implemented using, for example, the above-described battery testing and charging system.
    Type: Application
    Filed: February 27, 2012
    Publication date: June 21, 2012
    Applicant: SPX Corporation
    Inventors: Surender MAKHIJA, Garret MILLER
  • Patent number: 8125229
    Abstract: A battery testing and charging system that includes at least one battery testing device and at least one battery charging device, wherein the battery testing device is removable from the battery charging device and wherein the battery testing device may communicate with a plurality of battery charging devices. Also, a method of testing and charging a battery that may be implemented using, for example, the above-described battery testing and charging system.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: February 28, 2012
    Assignee: SPX Corportaion
    Inventors: Surender Makhija, Garret Miller
  • Patent number: 7914349
    Abstract: A single battery connection device that allows for connection both to a battery post and to a battery side terminal. Regardless of whether the device is connected to the battery post or side terminal, the device may be used as part of a four-point Kelvin connection to the battery. Also, a method of connecting to either to a battery post or to a battery side terminal using a single device.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: March 29, 2011
    Assignee: SPX Corporation
    Inventors: Garret Miller, Surender Makhija, Scott Opsahl, Robert Jensen
  • Publication number: 20100117603
    Abstract: A battery testing and charging system that includes at least one battery testing device and at least one battery charging device, wherein the battery testing device is removable from the battery charging device and wherein the battery testing device may communicate with a plurality of battery charging devices. Also, a method of testing and charging a battery that may be implemented using, for example, the above-described battery testing and charging system.
    Type: Application
    Filed: November 13, 2008
    Publication date: May 13, 2010
    Inventors: Surender Makhija, Garret Miller
  • Publication number: 20100115761
    Abstract: A single battery connection device that allows for connection both to a battery post and to a battery side terminal. Regardless of whether the device is connected to the battery post or side terminal, the device may be used as part of a four-point Kelvin connection to the battery. Also, a method of connecting to either to a battery post or to a battery side terminal using a single device.
    Type: Application
    Filed: November 13, 2008
    Publication date: May 13, 2010
    Inventors: Garret Miller, Surender Makhija, Scott Opsahl, Robert Jensen
  • Patent number: 7612531
    Abstract: A system and method of dynamically charging a lead-acid battery that has been in a deep discharged state for an extended period of time or is deeply sulfated includes an alternating current (AC) line input connected to a transformer. The output of the transformer is connected to a pair of silicon-controlled rectifiers (SCRs). The SCRs are in turn connected to terminals of a lead-acid battery. A pair of signal diodes is used to obtain waveform information for the AC input for phase control to trigger the SCRs. The outputs of the signal diodes and the SCRs are connected to a phase regulated output controller. A turn-on time for the SCRs is delayed to create a differential voltage between the transformer output and a voltage of the battery. The differential voltage is applied to terminals of the battery at an increased frequency rate to break battery sulfation.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: November 3, 2009
    Assignee: SPX Corporation
    Inventors: Surender Makhija, Kurt Raichle
  • Publication number: 20080180066
    Abstract: A system and method of dynamically charging a lead-acid battery that has been in a deep discharged state for an extended period of time or is deeply sulfated includes an alternating current (AC) line input connected to a transformer. The output of the transformer is connected to a pair of silicon-controlled rectifiers (SCRs). The SCRs are in turn connected to terminals of a lead-acid battery. A pair of signal diodes is used to obtain waveform information for the AC input for phase control to trigger the SCRs. The outputs of the signal diodes and the SCRs are connected to a phase regulated output controller. A turn-on time for the SCRs is delayed to create a differential voltage between the transformer output and a voltage of the battery. The differential voltage is applied to terminals of the battery at an increased frequency rate to break battery sulfation.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 31, 2008
    Inventors: Surender Makhija, Kurt Raichle
  • Publication number: 20070194755
    Abstract: The present invention provides a system and method that enables a user to easily and efficiently determine a battery pack's rated current capacity without knowing the configuration of the batteries within the battery pack. Thus, the present invention enables a user to avoid manually calculating the battery pack's configuration. Furthermore, in some situations, the present invention enables a user to avoid having to disconnect and individually test the battery pack's batteries.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 23, 2007
    Inventors: Surender Makhija, Steve Sparacino, Weixing Xia, Dennis Robinson
  • Publication number: 20060208696
    Abstract: A method of charging batteries, having the steps of entering information corresponding to a battery to be charged into a battery charger; performing a first heavy load test before performing a micro-load test on the battery; and determining a condition of the battery to determine whether the battery can be charged based upon the heavy load test. This method provides a way to safely and efficiently test the battery.
    Type: Application
    Filed: May 22, 2006
    Publication date: September 21, 2006
    Inventor: Surender Makhija
  • Publication number: 20060119365
    Abstract: A method and apparatus for testing a vehicle starting and charging system is provided in which a smart test module is connected to a remote device such as a battery tester, a scan tool, a personal computer or a personal digital assistant. The remote device is connected to a power source, which power source additionally provides power to the smart test module via the remote device. An alternator and/or a starter motor assembly is connected to the smart test module. The smart test module is capable of controlling the alternator field current and making voltage and current measurements at prescribed test points in the vehicle starting and charging system.
    Type: Application
    Filed: December 7, 2004
    Publication date: June 8, 2006
    Inventor: Surender Makhija
  • Patent number: 5189907
    Abstract: An RPM variation test for use in an engine analyzer system is used to test internal combustion engines. The engine analyzer individually disables cylinders and monitors instantaneous engine RPM, to generate an engine map. The engine analyzer performs an engine performance test upon the internal combustion engine. The engine map is used to map the results of the engine performance test. Using the present invention, an engine map is produced just prior to performing an engine performance test.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: March 2, 1993
    Assignee: Bear Automotive Service Equipment Company
    Inventors: Joseph A. Marino, Surender Makhija, John P. Sutton, Steve A. Trottier