Add a filter that applies to all of the tables on the page

Here are some topics where this is discussed.  I think you’ll find an answer here:…  (This intoduces the concept of “arbitrary filters” where one field selector controls a number of models through the action framework.  The example is with a calendar,  but it can be used with any model-bound component.)

Here is some XML of an opportunity dashboard where one set of selectors controls a model using the action framework.  It could be expanded to control multple models.…

Hopefully these resources get you going.