Issued Patents All Time
Showing 26–50 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428453 | System and method for monitoring train arrival and departure latencies | David Michael Davenport, Rahul Bhotika, John Erik Hershey, Robert James Mitchell, Jr., Emad Andarawis Andarawis | 2008-09-23 |
| 7388483 | Monitoring status of railyard equipment using wireless sensing devices | Rahul Bhotika, David Michael Davenport, John Erik Hershey, Robert James Mitchell, Jr., Emad Andarawis Andarawis | 2008-06-17 |
| 7388467 | System and method for determining a state of a door | Joseph Fisher, Nick Andrew Van Stralen, Jeffrey Michael Ashe, James D. York | 2008-06-17 |
| 7364123 | Self powered railway monitoring system | John Erik Hershey | 2008-04-29 |
| 7340020 | Method and apparatus for tracking invalid signals through a digital system | Nick A. VanStralen | 2008-03-04 |
| 7262729 | Radio detection and ranging intrusion detection system | John Erik Hershey, Ralph Thomas Hoctor, David Michael Davenport, Jeffrey Michael Ashe, Richard Louis Frey +2 more | 2007-08-28 |
| 7226021 | System and method for detecting rail break or vehicle | Todd Alan Anderson | 2007-06-05 |
| 7148581 | Rail based electric power generation system | John Erik Hershey, Charles Erklin Seeley, David Michael Davenport, Harold Woodruff Tomlinson, Jr., Thomas Feist | 2006-12-12 |
| 7110482 | Method and apparatus for tracking invalid signals through a digital system | Nick Andrew Van Stralen | 2006-09-19 |
| 7068715 | Ultra-wideband communications system and method using a delay hopped, continuous noise transmitted reference | Ralph Thomas Hoctor, David Michael Davenport, Aaron Mark Dentinger, Nick A. VanStralen, Harold Woodruff Tomlinson, Jr. +1 more | 2006-06-27 |
| 7053784 | System and method for monitoring alignment of a signal lamp | William Thomas Hatfield, Harry Kirk Mathews, Jr., Emad Andarawis Andarawis, David Michael Davenport, Dennis Cusano +2 more | 2006-05-30 |
| 6970097 | Location system using retransmission of identifying information | John Erik Hershey, Ralph Thomas Hoctor, David Michael Davenport | 2005-11-29 |
| 6961441 | Method and apparatus for steganographic embedding of meta-data | John Erik Hershey, Daniel David Harrison, Mark Lewis Grabb, Douglas G. Nestler | 2005-11-01 |
| 6950725 | Home latch-key web based automation system | Michael C. von Kannewurff, Jeffrey A. Goodman, Mark Fredrick Culler, Scott Charles Evans, Roger J. Morgan +3 more | 2005-09-27 |
| 6919835 | Infinite electronic integrator | Daniel David Harrison, Ralph Thomas Hoctor | 2005-07-19 |
| 6909942 | Method for power distribution system components identification, characterization and rating | Emad Andarawis Andarawis, Marc Robert Pearlman, Ertugrul Berkcan, Charles Scott Sealing | 2005-06-21 |
| 6873924 | Method and system for calibrating relative fields of view of multiple cameras | Timothy Patrick Kelliher, Peter Henry Tu | 2005-03-29 |
| 6867558 | Method and apparatus for networked lighting system control | Richard C. Gaus, Jr., Janos Sarkozi | 2005-03-15 |
| 6816360 | Reduced cost automatic meter reading system and method using locally communicating utility meters | Glen William Brooksby, Daniel David Harrison, Daniel A. Staver, Ertugrul Berkcan, Ralph Thomas Hoctor +1 more | 2004-11-09 |
| 6810087 | Ultra-wideband communications system | Ralph Thomas Hoctor, Harold Woodruff Tomlinson, Jr., John Erik Hershey | 2004-10-26 |
| 6737984 | Automatic meter reading system using locally communicating utility meters | Wolfgang Daum | 2004-05-18 |
| 6643608 | System and method for collecting and analyzing shipment parameter data affecting predicted statistical variables of shipped articles | John Erik Hershey, Brock Estel Osborn, Scott Charles Evans | 2003-11-04 |
| 6577353 | Optimization of television reception by selecting among or combining multiple antenna inputs | Mark Lewis Grabb, John Erik Hershey | 2003-06-10 |
| 6539062 | Pilot signal control for digital television DTV transmission | Mark Lewis Grabb, John Erik Hershey | 2003-03-25 |
| 6538704 | NTSC tuner to improve ATSC channel acquisition and reception | Mark Lewis Grabb, John Erik Hershey | 2003-03-25 |