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Square D Company Patents
Assignee:
Square D Company
Address:
Palatine, IL
No. of patents:
1004
Patents:












Patent Number Title Of Patent Date Issued
RE35190 Plug-in power supply March 26, 1996
A plug-in power supply includes a housing dimensioned to fit into a space designed to accept a circuit breaker in a load center to provide D.C. power from an A.C. main power. The housing encloses a circuit card that has components that are connected between A.C. inlet terminals and D.C.
RE31846 Silver, cadmium oxide, lithium carbonate contact material and method of making the material March 12, 1985
A material and a process for use in making electrical contacts. The material is produced in powder form suitable for later processing into electrical contacts by standard metallurgical techniques generally involving compacting the powdered material to form a compact that preferably h
RE30052 Electrical contact material and process July 24, 1979
A material for use in making electrical contacts is produced in a powder form suitable for later processing into electrical contacts by standard metallurgical techniques. The material consists of a first metal, such as silver, and the oxide of a second metal, such as cadmium, added to th
RE29986 Electrical contact material and process May 8, 1979
A material for use in making electrical contacts is produced in a powder form suitable for later processing into electrical contacts by standard metallurgical techniques. The material consists of a first metal, such as silver, and the oxide of a second metal, such as cadmium, added to th
D562257 Transfer switch for alternative power sources to a load center February 19, 2008
D499700 Circuit breaker December 14, 2004
D425488 Terminal module May 23, 2000
D365100 Remote control December 12, 1995
D365030 Line isolation monitor December 12, 1995
D355197 Face plate for electronic housing units February 7, 1995
D348435 Compact remote control July 5, 1994
D347211 Illuminated indicator wall switch May 24, 1994
D341354 Membrane operator interface panel for industrial programmable controller November 16, 1993
D340718 Speaker frame assembly October 26, 1993
D340697 Fused-switch unit October 26, 1993
D337308 Terminal housing July 13, 1993
D333292 Electrical bus connector housing February 16, 1993
D325569 Door for an electrical loadcenter April 21, 1992
D322953 Load center power module January 7, 1992
D322243 Load center control module December 10, 1991
D320784 Two pole circuit breaker October 15, 1991
D320783 One pole circuit breaker October 15, 1991
D318854 Combined housing and bus bar support panel for an electrical load center August 6, 1991
D318652 Electrical load center enclosure July 30, 1991
D318651 Housing for an electrical load center July 30, 1991
D317906 Energy management circuit breaker July 2, 1991
D317004 Main circuit breaker May 21, 1991
D309600 Programmable logic controller July 31, 1990
D309446 Mini programmable logic controller July 24, 1990
D307003 Loadcenter April 3, 1990
D298104 Tee connector October 18, 1988
D297316 Smoke detector August 23, 1988
D293236 Combination telephone handset and keyboard console base December 15, 1987
D292974 Cable tray December 1, 1987
D285830 Heater front cover September 23, 1986
D284175 Chime housing June 10, 1986
D284174 Housing for door chimes or the like June 10, 1986
D284173 Chime cover plate June 10, 1986
D284172 Door chime housing June 10, 1986
D284171 Door chime housing June 10, 1986
D284069 Cover plate for a chime or the like June 3, 1986
D283505 Door bell push button April 22, 1986
D283007 Electrical outlet cover plate enclosure therefor March 18, 1986
D280083 Chime cover plate August 13, 1985
D280082 Chime cover plate August 13, 1985
D277749 Electrical clamp connector February 26, 1985
D275173 Weatherproof cover for electrical outlet or the like August 21, 1984
D274992 Selectable tune door chime August 7, 1984
D273557 Outdoor electrical receptacle cover April 24, 1984
D273084 Electrical outlet cover plate and closure therefor March 20, 1984

 
 
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