Inventor

TIEN HUNG-JEN

TW40 patents

⚠️ This page may combine multiple inventors who share the name “TIEN HUNG-JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TIEN HUNG-JEN

I TEK METAL MFG CO LTD

Outer operational device for panic exit door lock

Cover for a fireproof door lock

Panic exit door lock allowing locking on both sides

Door opener with adjustable screw rod

Latch stopper for a double door

Modularized electric door lock

Latch coupling device

Panic exit door lock with an indication of a locking state

Adjustable driving mechanism for panic door lock

Mortise lock for ordinary door and panic door

Electric door lock

Door opener having an anti-loose linking unit

Door opener with exposed control panel

Interchangeable handle assembly for lock

Door opener capable of controlling door closing speed

Driving device for a door opener

Latch with an automatic locking function for a double door

Easy-to-install door opener

Driving member for an outer operational device of a door lock

Latch device for panic door lock with anti-picking function

Door lock with reinforced fireproof function

Stopper for a top or bottom latch

Lock cylinder for a door lock

Outer operating device for a door lock

TIEN HUNG-JEN

Latch assembly for a passageway door lock

Dogging device for latch assembly

Outer operational device for a door lock

Latch device with a clutch function

Stop device for door lock for panic exit door

Latch assembly with a safety device for a fireproof door lock

Passageway door lock

Passageway door lock

Passageway door lock

Passageway door lock

Passageway door lock

Passageway door lock

End cap for a touch bar for a passageway door lock

Outer operational device for panic exit door lock

Adjustable driving mechanism for panic exit door lock

I-TEK METAL MFG CO LTD

Panic exit door lock with an indication of a locking state