| 9496720 |
System for automatically gathering battery information |
Todd J. Stukenberg, Kevin I. Bertness, John S. Philbrook |
2016-11-15 |
| 9335362 |
Battery tester for electric vehicle |
Kevin I. Bertness |
2016-05-10 |
| 8306690 |
Battery tester for electric vehicle |
Kevin I. Bertness |
2012-11-06 |
| 7940053 |
Battery tester with promotion feature |
Dennis V. Brown, Kevin I. Bertness, Michael E. Troy, William G. Sampson |
2011-05-10 |
| 7791348 |
Battery tester with promotion feature to promote use of the battery tester by providing the user with codes having redeemable value |
Dennis V. Brown, Kevin I. Bertness, Michael E. Troy, William G. Sampson |
2010-09-07 |
| 7498767 |
Centralized data storage of condition of a storage battery at its point of sale |
Dennis V. Brown, Kevin I. Bertness |
2009-03-03 |
| 7363175 |
Query based electronic battery tester |
Kevin I. Bertness, Wilhelmus H. J. Koster |
2008-04-22 |
| 7034541 |
Query based electronic battery tester |
Kevin I. Bertness, Wilhelmus H. J. Koster |
2006-04-25 |
| 7012433 |
Battery tester upgrade using software key |
Clark E. Smith, Kevin I. Bertness |
2006-03-14 |
| 6998847 |
Electronic battery tester with data bus for removable module |
Kevin I. Bertness |
2006-02-14 |
| 6941234 |
Query based electronic battery tester |
Kevin I. Bertness, Wilhelmus H. J. Koster |
2005-09-06 |
| 6759849 |
Battery tester configured to receive a removable digital module |
Kevin I. Bertness |
2004-07-06 |
| 6586941 |
Battery tester with databus |
Kevin I. Bertness |
2003-07-01 |
| 6329793 |
Method and apparatus for charging a battery |
Kevin I. Bertness |
2001-12-11 |
| 6313608 |
Method and apparatus for charging a battery |
Philip Varghese, Kevin I. Bertness |
2001-11-06 |
| 6104167 |
Method and apparatus for charging a battery |
Kevin I. Bertness |
2000-08-15 |
| 6081098 |
Method and apparatus for charging a battery |
Kevin I. Bertness |
2000-06-27 |
| 5821756 |
Electronic battery tester with tailored compensation for low state-of charge |
Kevin I. Bertness, Keith S. Champlin |
1998-10-13 |
| 5757192 |
Method and apparatus for detecting a bad cell in a storage battery |
Kevin I. Bertness |
1998-05-26 |
| 5574355 |
Method and apparatus for detection and control of thermal runaway in a battery under charge |
Mark Hlavac, Kevin I. Bertness |
1996-11-12 |