Siebel Tools >  Find all Views which use an Applet

Open Siebel Tools, go to Flat view

Get the Applet Name – e.g. Server Task History List Applet

Go to View Web Template Item

In column Applet, enter the name of the applet and search.

Get the value for GParent View. In this case - Server Task History List View

Then go to Screen View, put the value Server Task History List View in column View and search.

In the column Parent Screen, you will get the name of the screen.