Power window apparatus with sensor failure detection

Power window circuit board overcurrent protection

Power window control for motor vehicle window

Power window switch circuit

Power-assist door closer

Powered door opening system

Powered sliding panel with secondary articulation for a...

Powered sliding truck cab window

Powered window operator drive

Pre-tension anchorage for spiral balance

Prefabricated window system

Pressure equalization valve

Pressure responsive blowout latch with reservoir

Prison door locking mechanism

Process for high availability control of rail car doors,...

Process for operating a revolving door

Projection window operator

Pulley for double hung windows

Push-pull chain drive door operator system