Access port covering device
Assembly for securing a lid to a container
Bus pan cover
Cap and a cap opening and closing device
Closure for a pressurized chamber
Deep fryer receptacle cover and operating mechanism therefor
Door mounting and actuator for a pressure vessel
Floating lid assembly for a steam kettle
Gauge hatch with diaphragm and liquid seal
Gauge hatch with liquid seal
Hatch cover and locking structure
Hatch cover lock
Hatch cover locking mechanism
High temperature, quick access door for high vacuum chambers
Lid for pressure cooking receptacle
Manhole cover and assembly for tank for transporting flammable l
Pressure cooker closure fastening means
Pressure cooker lid fastening means
Quick opening manhole cover assembly
Removable center-point compression sealing lid member