1
Kevin I Bertness, Michael E Troy: Vehicle electrical system tester with encoded output. Midtronics, Westman Champlin & Kelly, September 3, 2002: US06445158 (155 worldwide citation)

An automotive vehicle electrical system tester includes a starter motor or charging system voltage measurement circuit configured to measure a voltage of an electrical system of a vehicle. A microprocessor is configured to diagnose the electrical system as a function of the measured voltage and resp ...


2
Michael E Troy: Battery tester for JIS Standard. Midtronics, Westman Champlin & Kelly P A, November 3, 1998: US05831435 (155 worldwide citation)

A method and apparatus for testing JIS rated batteries is disclosed. A JIS battery type reference number is provided to a battery tester. Battery test information for the JIS rated battery is determined as a function of the JIS battery type reference number. The battery tester provides a battery tes ...


3
Michael E Troy: Automotive battery charging system tester. Midtronics, Westman Champlin & Kelly P A, February 26, 2002: US06351102 (120 worldwide citation)

An automotive battery charging system tester for testing the charging system of an automotive vehicle includes AC and DC voltage measurement circuits and a microprocessor controlled testing sequence. The microprocessor is used to perform a series of tests and to instruct an operator to perform steps ...


4
Philip Varghese, Michael R Cable, David J Lewis, Michael E Troy: Test counter for electronic battery tester. Midtronics, Westman Champlin & Kelly P A, May 1, 2001: US06225808 (114 worldwide citation)

An apparatus for testing a storage battery includes battery test circuitry configured to perform a battery test on the storage battery. The battery test circuitry responsively provides a test result output related to a condition of the storage battery. A test count memory configured to store a test ...


5
Michael E Troy, Kevin I Bertness: Integrated conductance and load test based electronic battery tester. Midtronics, Westman Champlin & Kelly, September 24, 2002: US06456045 (108 worldwide citation)

An electronic battery tester for testing a storage battery includes first and second Kelvin connections configured to couple to the battery. A forcing function applies a time varying signal to the battery through the first and second Kelvin connections. Further, a resistive load is configured to cou ...


6
Kevin I Bertness, Michael E Troy: Alternator tester with encoded output. Midtronics, Westman Champlin & Kelly P A, July 5, 2005: US06914413 (68 worldwide citation)

An alternator tester includes an alternator output measurement circuit configured to measure an electrical output of an alternator. A microprocessor determines a alternator condition as a function of the electrical output. The microprocessor encrypts information and provides an encrypted output whic ...


7
Dennis V Brown, Kevin I Bertness, Stephen J McShane, Michael E Troy, William G Sampson: Battery tester with promotion feature to promote use of the battery tester by providing the user with codes having redeemable value. Midtronics, Westman Champlin & Kelly P A, September 7, 2010: US07791348 (39 worldwide citation)

Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circ ...


8
Dennis V Brown, Kevin I Bertness, Stephen J McShane, Michael E Troy, William G Sampson: Battery tester with promotion feature. Midtronics, Interstate Battery System of America, Westman Champlin & Kelly P A, May 10, 2011: US07940053 (32 worldwide citation)

Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circ ...


9
Kevin I Bertness, Michael E Troy: Automotive battery charging system tester. Midtronics, Westman Champlin & Kelly P A, June 12, 2012: US08198900 (7 worldwide citation)

An automotive battery charging system tester for testing the charging system of an automotive vehicle includes AC and DC voltage measurement circuits and a microprocessor controlled testing sequence. The microprocessor is used to perform a series of tests and to instruct an operator to perform steps ...


10
Kevin I Bertness, Michael E Troy: Automotive battery charging system tester. Judson K Champlin, Westman Champlin & Kelly, November 25, 2004: US20040232918-A1

An automotive battery charging system tester for testing the charging system of an automotive vehicle includes AC and DC voltage measurement circuits and a microprocessor controlled testing sequence. The microprocessor is used to perform a series of tests and to instruct an operator to perform steps ...