| 12368797 |
Telephone line testing apparatus with remote control |
Andrew Vincent Johnson, Alan L. Johnson |
2025-07-22 |
| 12352251 |
Energy harvesting system for collecting energy from transportation infrastructures |
— |
2025-07-08 |
| 9898026 |
Power distribution apparatus with input and output power sensing and method of use |
Carrel W. Ewing, James P. Maskaly, Dennis W. McGlumphy, Brian P. Auclair, David Massey +3 more |
2018-02-20 |
| 8305737 |
Power distribution apparatus with input and output power sensing and method of use |
Carrel W. Ewing, James P. Maskaly, Dennis W. McGlumphy, Brian P. Auclair, David Massey +3 more |
2012-11-06 |
| 7224740 |
Low frequency bilateral communication over distributed power lines |
— |
2007-05-29 |
| 6177884 |
Integrated power line metering and communication method and apparatus |
Steven Burnham |
2001-01-23 |
| 6154488 |
Low frequency bilateral communication over distributed power lines |
— |
2000-11-28 |
| 5581229 |
Communication system for a power distribution line |
— |
1996-12-03 |
| 5467011 |
System for detection of the phase of an electrical signal on an alternating circuit power line |
— |
1995-11-14 |
| 5107712 |
Modular jack spring conductor force measuring probe |
Michael D. Field |
1992-04-28 |
| 4967064 |
Method and apparatus for a target determining apparatus having increased range |
Bruce F. Field |
1990-10-30 |
| 4782518 |
Apparatus for converting distinctive ring to selective ring in telephone lines |
Danny G. Mattley |
1988-11-01 |