Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618684 | System and method for digitally compensating frequency and temperature induced errors in amplitude and phase shift in current sensing of electronic energy meters | Edward J. Beroset, Konstantin Lobastov, Richard William Blasco, Peter W. Heuell, Stig Leira +2 more | 2003-09-09 |
| 6577961 | Energy meter having programmable functions | Vick A. Hubbard, Mark L. Munday, Scott T. Holdsclaw | 2003-06-10 |
| 6507794 | Energy meter with power quality monitoring systems and methods | Vick A. Hubbard, Mark L. Munday, Scott T. Holdsclaw | 2003-01-14 |
| 6504357 | Apparatus for metering electrical power and electronically communicating electrical power information | Mark L. Munday | 2003-01-07 |
| 6483290 | Apparatus for metering electrical power that determines energy usage data based on downloaded information | Mark L. Munday | 2002-11-19 |
| 6470083 | Telecommunications off-hook and intrusion detection method and apparatus | Albert H. Maxwell, Jr., Michael A. Murphy, Thomas J. Van Heuklon, Richard L. Tenor, Todd Kelsey +1 more | 2002-10-22 |
| 6374188 | Energy meter with instrumentation systems and methods | Vick A. Hubbard, Mark L. Munday, Scott T. Holdsclaw | 2002-04-16 |
| 6269316 | System and method for detecting flicker in an electrical energy supply | Vick A. Hubbard, Mark L. Munday, Scott T. Holdsclaw | 2001-07-31 |
| 6229295 | Apparatus for metering at least one type of electrical power over a predetermined range of service voltages | Mark L. Munday, Fred Schleifer | 2001-05-08 |
| 6141626 | Two-element energy meter having systems for automatic service type detection | Scott T. Holdsclaw | 2000-10-31 |
| 6128584 | System and method for frequency compensation in an energy meter | Scott T. Holdsclaw, Vick A. Hubbard | 2000-10-03 |
| 6097182 | Electrical energy meter for 3-wire delta service | Mark L. Munday, Fred Schleifer | 2000-08-01 |
| 6094622 | System and method for automatically determining the electrical energy service type to which an energy meter is connected | Vick A. Hubbard, Mark L. Munday, Scott T. Holdsclaw | 2000-07-25 |
| 6005384 | Methods and apparatus for oscillator compensation in an electrical energy meter | Peter R. Rogers | 1999-12-21 |
| 5966010 | Electrical energy meter with snap fit interlocking parts | Garry M. Loy, Russell C. Broome, Mark L. Munday | 1999-10-12 |
| 5940009 | Apparatus and method to detect tampering with an electronic utility meter | Garry M. Loy, Kenneth C. Shuey, Mark L. Munday | 1999-08-17 |
| 5907241 | Current measurement methods and apparatus employing second harmonic scaling | Kenneth C. Shuey | 1999-05-25 |
| 5903145 | Universal electronic energy meter for use with 4-wire standard services | Mark L. Munday, Fred Schleifer | 1999-05-11 |
| 5874903 | RF repeater for automatic meter reading system | Kenneth C. Shuey, Kathryn J. Smith, Arnold W. Bragg | 1999-02-23 |
| 5631843 | Programmable electrical energy meter and methods therefor | Mark L. Munday | 1997-05-20 |
| 5621629 | Switching power supply for use in an electronic energy meter having a wide range of input voltages | Mark L. Munday, Fred Schleifer | 1997-04-15 |
| 5555508 | Programmable electrical energy meter and methods therefor | Mark L. Munday | 1996-09-10 |
| 5548527 | Programmable electrical energy meter utilizing a non-volatile memory | Mark L. Munday | 1996-08-20 |
| 5544089 | Programmable electrical energy meter using multiplexed analog-to-digital converters | Mark L. Munday | 1996-08-06 |
| 5537333 | Method of determining power measurements in an electrical energy meter | Mark L. Munday | 1996-07-16 |