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Class Information
Number: 174/6
Name: Electricity: conductors and insulators > Earth grounds
Description: Structures having means specially designed to make intimate contact with the earth to establish electrical connection between a conductor and the earth.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7385140 |
Grounding conductor |
Jun. 10, 2008 |
| 7282637 |
Grounding system |
Oct. 16, 2007 |
| 7230179 |
Stray voltage suppression device |
Jun. 12, 2007 |
| 7189312 |
Under water cable system having an earthing electrode |
Mar. 13, 2007 |
| 7173181 |
Coupling set for connecting ground plate for arrest of lightning |
Feb. 6, 2007 |
| 7170002 |
Conduit junction with internal earth |
Jan. 30, 2007 |
| 7138579 |
Flexible grounding strip |
Nov. 21, 2006 |
| 7112742 |
Method of improving interior environment and grounding electrode device |
Sep. 26, 2006 |
| 7098398 |
Adjustable spring grounding pin |
Aug. 29, 2006 |
| 6972369 |
Flexible grounding strip |
Dec. 6, 2005 |
| 6963026 |
Ground rod |
Nov. 8, 2005 |
| 6933442 |
Methods and apparatus to secure a ground strap assembly to an electrically conductive member |
Aug. 23, 2005 |
| 6916983 |
Grounding electrode |
Jul. 12, 2005 |
| 6864422 |
Electrical isolation of an electronic device |
Mar. 8, 2005 |
| 6815607 |
Grounding method and associated pole support system |
Nov. 9, 2004 |
| 6774305 |
Self-grounding connector for joining end sections of fluid flow conduits and fabrication processes therefor |
Aug. 10, 2004 |
| 6747205 |
Device for assisting in the measurement of the earth resistance |
Jun. 8, 2004 |
| 6727430 |
Methods and apparatus to secure a ground strap assembly to an electrically conductive member |
Apr. 27, 2004 |
| 6703556 |
Mobile lightning protection |
Mar. 9, 2004 |
| 6664469 |
Neutral bar assembly and method of making assembly |
Dec. 16, 2003 |
| 6555742 |
Earth ground terminal |
Apr. 29, 2003 |
| 6515220 |
Moisture collecting grounding electrode |
Feb. 4, 2003 |
| 6502019 |
Electronic digital device employing fault detection |
Dec. 31, 2002 |
| 6498291 |
Static electricity eliminator |
Dec. 24, 2002 |
| 6455777 |
Using bare stranded copper wire for grounding to conduit or steel channel |
Sep. 24, 2002 |
| 6417448 |
Safety switch |
Jul. 9, 2002 |
| 6403880 |
Ground strap for electrical box |
Jun. 11, 2002 |
| 6329592 |
Meter box ground clamp |
Dec. 11, 2001 |
| 6288327 |
Grounding device and use thereof in temporary installations |
Sep. 11, 2001 |
| 6245989 |
Land electrode for a high voltage direct current transmission system |
Jun. 12, 2001 |
| 6242688 |
Sea electrode for a high voltage direct current transmission system |
Jun. 5, 2001 |
| 6160217 |
Isolation ground assembly |
Dec. 12, 2000 |
| 6137049 |
Electrical ground connector assembly |
Oct. 24, 2000 |
| 6121543 |
Groundbed electrode with graphite containing cement |
Sep. 19, 2000 |
| 6118071 |
Device for electrically connecting the frame or cabinet housing of a switching cabinet with the door |
Sep. 12, 2000 |
| 5998731 |
Absorbed type lightning rod and absorbed type lightning discharging apparatus |
Dec. 7, 1999 |
| 5909005 |
Combination bearing plate and electrical grounding apparatus |
Jun. 1, 1999 |
| 5808235 |
Electrical resistance removal apparatus and method |
Sep. 15, 1998 |
| 5801327 |
Radially extending ground device |
Sep. 1, 1998 |
| 5548522 |
Modular wiring and liquid ground |
Aug. 20, 1996 |
| 5461194 |
Grounding cage apparatus |
Oct. 24, 1995 |
| 5369626 |
Lightning protection for seismic data acquisition system |
Nov. 29, 1994 |
| 5120904 |
Electrode |
Jun. 9, 1992 |
| 5080773 |
Ground electrode backfill |
Jan. 14, 1992 |
| 5036785 |
Lightning protection installation on a boat |
Aug. 6, 1991 |
| 5035630 |
Power distribution system |
Jul. 30, 1991 |
| D317434 |
Flexible grounding plate for overhead utility lines |
Jun. 11, 1991 |
| D317435 |
Flexible grounding plate for overhead utility lines |
Jun. 11, 1991 |
| 4994629 |
Electrical grounding system |
Feb. 19, 1991 |
| 4993960 |
Grounding system and clamp |
Feb. 19, 1991 |
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