rma/crm_claim_rma/stock_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <!-- INHERITED VIEW FOR THE OBJECT : stock_picking -->

        <record id="picking_in_form" model="ir.ui.view">
            <field name="name">crm_claim_rma.picking_in_form</field>
            <field name="model">stock.picking.in</field>
            <field name="inherit_id" ref="stock.view_picking_in_form" />
            <field name="arch" type="xml">
                <xpath expr="//field[@name='move_type']" position="after">
                    <field name="claim_id" />
                </xpath>
            </field>
        </record>

        <record id="picking_out_form" model="ir.ui.view">
            <field name="name">crm_claim_rma.picking_out_form</field>
            <field name="model">stock.picking.out</field>
            <field name="inherit_id" ref="stock.view_picking_out_form" />
            <field name="arch" type="xml">
                <xpath expr="/form/sheet/notebook/page/group/group/field[@name='move_type']" position="after">
                    <field name="claim_id" />
                </xpath>
            </field>
        </record>
        
        <record id="view_picking_in_search" model="ir.ui.view">
            <field name="name">crm_claim_rma.picking_in_search</field>
            <field name="model">stock.picking.in</field>
            <field name="inherit_id" ref="stock.view_picking_in_search" />
            <field name="arch" type="xml">
                <filter string="To Invoice" name="to_invoice" icon="terp-dolar" domain="[('invoice_state', '=', '2binvoiced')]" position="after">
                    <separator/>
                    <filter string="RMA" icon="terp-accessories-archiver-minus" domain="[('claim_id', '!=', 'False')]" />
                    <field name="claim_id" string="RMA" invisible="True"/>
                </filter>
            </field>
        </record>

        <record id="view_picking_out_search" model="ir.ui.view">
            <field name="name">crm_claim_rma.picking_out_search</field>
            <field name="model">stock.picking.out</field>
            <field name="inherit_id" ref="stock.view_picking_out_search" />
            <field name="arch" type="xml">
                <filter icon="terp-dolar" name="to_invoice" string="To Invoice" domain="[('invoice_state','=','2binvoiced')]" help="Delivery orders to invoice" position="after">
                    <separator/>
                    <filter string="RMA" icon="terp-accessories-archiver-minus" domain="[('claim_id', '!=', 'False')]" />
                </filter>
            </field>
        </record>


    </data>
</openerp>