Patents
Patents for H01H 9 - Details of switching devices, not covered by groups (32,796)
07/1978
07/11/1978US4100517 Electrical contactors
07/11/1978US4100383 Industrial reversing speed control trigger switches having snap-in modules
06/1978
06/27/1978US4097706 Molded enclosure having zero draft openings formed in it
06/27/1978US4097705 Quick lock-release mechanism for a trigger switch
06/27/1978US4097704 Industrial reversing speed control trigger switch with snap-in modules
06/27/1978US4097703 Trigger switch and lock mechanism therefore
06/13/1978US4095124 Transformer/switch device
06/13/1978US4095123 Switch controller
06/13/1978US4095073 Switch and terminal assembly having strip terminal and mounting member adapted to ground dynamoelectric machine casing on similar conductive surface
06/13/1978US4095072 Industrial speed control trigger switch with integral reversing switch
06/13/1978US4095071 Switch mounted in a lever handle
06/06/1978US4093834 Protective cover arrangement
05/1978
05/30/1978US4092625 Single use monitors for automatic safety controls of electrically energized apparatus
05/30/1978US4092508 Modular electrical control station with switch detent means
05/16/1978US4090091 Housing and control circuit assembly with sensing element
05/09/1978US4088973 Unitized combination starter
05/09/1978US4088859 Normal open low voltage vacuum shorting switch
05/09/1978US4088829 Housing for electrical components
05/02/1978US4087669 Housed electrical switch with slide fastening members
05/02/1978US4087661 Switch enclosure for hazardous environment having cover removal interlocking defeater assembly
04/1978
04/25/1978US4086460 Circuit breaker having improved line strap construction
04/25/1978US4086456 Mounting for magnetic switch
04/18/1978US4085301 Hand-held controller device
04/04/1978US4082931 Melamine-formaldehyde resin, ceramic coating
03/1978
03/28/1978US4081778 Dry well fuseholder
03/28/1978US4081741 On-load tap changer
03/28/1978US4081636 Differential pressure cutout switch
03/21/1978US4080520 Circuit breaker with arc quenching baffle arrangement
03/14/1978US4079269 Switch means for cameras
03/14/1978US4079214 Defeatable access door interlock for circuit breaker enclosure
03/07/1978US4078221 Load-break switch and current-limiting fuse combination
03/07/1978US4078219 Overcurrent latch for magnetic contactor
03/07/1978US4078218 Magnetic contactor
02/1978
02/28/1978US4077025 Current limiting circuit interrupter
02/21/1978US4075449 Switch with electroluminescent indicator
02/21/1978US4075446 Circuit breaker arc venting screen
02/14/1978US4074333 A.c. relay system
02/14/1978US4074099 Coaxial, polarity-reversing switch
02/14/1978US4074098 Electric arc extinction apparatus
02/14/1978US4074091 Interlocking operating mechanism for enclosed switchgear having defeater interlock
02/07/1978US4072997 Overtemperature protective circuit for switching devices
02/07/1978US4072840 Removable keyboard switch
02/07/1978US4072832 Control electrode for high-voltage apparatus
01/1978
01/31/1978US4071726 Electrical switch having actuator light transmissive region, intermediate lens and light source
01/31/1978US4071722 Latch and switch interlock safety structure
01/31/1978US4071720 Binary coded cam selector switch having split housing and dent structure
01/24/1978US4070641 Current limiting circuit breaker
01/10/1978US4068273 Hybrid power switch
01/10/1978US4068200 Combination cover interlock and trip actuator
12/1977
12/27/1977US4065653 Circuit breaker mounted within an explosion-proof enclosure
12/20/1977US4063600 Power tool safety mechanism
12/13/1977US4063055 Switch with an on-off indicating mechanism
12/13/1977US4063054 Key switch
12/06/1977US4062051 Battery spark suppression circuit
12/06/1977US4061893 Sprinkler flow control systems having continuous cycle timer and associated apparatus disposed in a hermetically sealed housing
11/1977
11/22/1977US4059816 Electrical loadbreak fuse and canister assembly
11/08/1977US4057701 Control lever
11/08/1977US4057520 Slide switch assembly having flexible housing with movable contacts mounted on printed circuit board
10/1977
10/18/1977US4054767 Switch terminal assembly having strip terminal and mounting member adapted to ground dynamoelectric machine casing on similar conductive surface
10/18/1977US4054766 Portable tool switch structure
10/11/1977US4052954 Push button switch mode indicator element
09/1977
09/27/1977US4051337 Dental handpiece switch
09/13/1977US4048600 Contact system for relays, particularly power relays
09/06/1977US4047048 Master cylinder with combined reservoir cover, seal and fluid level sensor assembly
08/1977
08/30/1977US4045751 Arc barrier for a relay switch
08/30/1977US4045628 Interlock for handles of adjacent circuit breakers
08/30/1977US4044544 Electronic timepiece
08/23/1977US4044215 Electric switch construction having an external locking mechanism
08/23/1977US4044213 Push-button sensor switch
08/09/1977US4041356 Air-break circuit interrupter having magnetically-assisted arc-dividing electrodes
08/09/1977US4041260 Interlock for circuit breakers
08/09/1977US4040382 Indicator for relay or the like
08/02/1977US4039983 High-speed high-current circuit interrupter having electrodynamically operated arcing contacts
07/1977
07/26/1977US4038626 High voltage contactor
07/26/1977US4038582 Internally illuminated switch plate
07/05/1977US4034234 Switching module for solid-state keyboard
07/05/1977US4034170 Electrical transfer switching apparatus having door interlock and plural switch interlock
06/1977
06/28/1977US4032869 Relay with pivoting armature
06/28/1977US4032732 Operating handle for an encapsulated switching apparatus
06/28/1977US4032180 Locking device for washing machine door
06/28/1977US4031849 Push button switch position indicator
06/21/1977US4031340 Defeater for mechanical safety interlock for covers of explosion-proof electrical housing
06/14/1977US4029380 Grounded surface distribution apparatus
06/07/1977US4028591 Relay contact protector
06/07/1977US4028571 Control mechanism for remotely mounted motor
06/07/1977US4028513 Steel arcing contact for circuit breaker
05/1977
05/24/1977US4025820 Contactor device including arc supression means
05/17/1977US4024367 Rocker switch with slidable indicator
05/17/1977US4023704 Helical feed merchandising machine
05/10/1977US4023003 Position indicating button for push-push switch
05/10/1977US4023001 Locking member for hand-held trigger actuated switch
05/03/1977US4021699 Device for limiting currents
05/03/1977US4021678 Automatic transfer switch
04/1977
04/26/1977US4020309 Pushbutton switch/annunciator for aircraft instruments
04/26/1977US4020308 Cover assembly for an electrical switch
04/19/1977US4019166 Timer controlled electromagnetic tripping apparatus for simultaneously closing plural switches mounted to panelboard
04/19/1977US4019005 Multi-pole circuit breaker with baffle shield venting
04/05/1977US4016384 Operating mechanism and position indicator for a circuit interrupter
03/1977
03/29/1977US4015142 Electric timing circuitry with means to compensate for switch chatter
03/29/1977US4014359 Sprinkler flow control systems