2024
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G/S
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Passenger elevator door that provides smoke containment |
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G/S
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Passenger elevator door that provides smoke containment |
2023
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Invention
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Elevator car door lock. An elevator car with a retiring cam for releasing a landing door lock, a ... |
2002
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Invention
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Self-tapping bolt |
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G/S
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Elevator doors, lift doors, cargo lift doors, goods lift doors, service lift doors. Material deli... |
1995
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Invention
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Door sensor beam. An assembly for a no-contact power reversing system for an elevator car gate co... |
1994
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Invention
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Pass door fire lintel. PASS DOOR FIRE LINTEL ABSTRACT OF THE DISCLOSURE A fire lintel for a freig... |
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Invention
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Rolling shutter governor. ROLLING SHUTTER GOVERNOR ABSTRACT OF THE DISCLOSURE A speed governed co... |
1993
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G/S
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material delivery equipment, namely, elevators, dumbwaiters parcel lifts, [ tote box unloading ma... |
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Invention
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Pass door fire lintel. A fire lintel for a freight elevator pass door that provides a fire stop i... |
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G/S
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metal building accessories, namely elevator doors, [ dumbwaiter doors, counter doors, blast resis... |
1990
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Invention
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Car gate reversing edge. The invention provides a scanning beam along the forward edge of an elev... |
1988
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Invention
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Cart wheel control for hoistway car. A hoistway car for transporting wheeled carts between floor ... |
|
Invention
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Elevator control. ELEVATOR CONTROL ABSTRACT OF THE DISCLOSURE Elevator control apparatus for moni... |
1987
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Invention
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Elevator control. Elevator control apparatus for monitoring the floor position of a car utilizing... |
1986
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Invention
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Cart wheel control for hoistway car. CART WHEEL CONTROL FOR HOISTWAY CAR ABSTRACT OF THE DISCLOSU... |
1981
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Invention
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Automatic ejector system. Apparatus for automatically handling a material unit in an elevator sys... |
1979
|
Invention
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Automatic drawbridge for elevator. A drawbridge assembly on an elevator car which is responsive t... |
1976
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Invention
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Automatic loader and unloader. An automatic loader and unloader for an elevator includes a statio... |