I get the following HTML element through the function "jQuery ('fieldset.ame-fieldset')"
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<fieldset class="webform-component-fieldset ame-fieldset ame-fieldset-more webform-component--fieldset-wrapper form-wrapper">
<div class="fieldset-wrapper">
<fieldset class="webform-component-fieldset ame-fieldset ame-fieldset-more webform-component--fieldset-wrapper--fieldset0 form-wrapper">
<div class="fieldset-wrapper">
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset0--productosServiciosDeLaEmpresa0">
<label for="edit-submitted-fieldset-wrapper-fieldset0-productosserviciosdelaempresa0">Productos/Servicios de la empresa </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset0-productosserviciosdelaempresa0" name="submitted[fieldset_wrapper][fieldset0][productosServiciosDeLaEmpresa0]" value="" size="60" maxlength="128" class="form-text" />
</div>
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset0--solucion0">
<label for="edit-submitted-fieldset-wrapper-fieldset0-solucion0">Solución </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset0-solucion0" name="submitted[fieldset_wrapper][fieldset0][solucion0]" value="Edinn® Plataforma Industria 4.0 es la solución más completa para el control y la gestión global de la producción." size="60" maxlength="128" class="form-text" />
</div>
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset0--necesidad0">
<label for="edit-submitted-fieldset-wrapper-fieldset0-necesidad0">Necesidad </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset0-necesidad0" name="submitted[fieldset_wrapper][fieldset0][necesidad0]" value="Conocer y gestionar en tiempo real lo que ocurre en cualquier industria: productividad, KPI's, mermas, desviaciones, rrhh, etc." size="60" maxlength="128" class="form-text" />
</div>
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset0--beneficios0">
<label for="edit-submitted-fieldset-wrapper-fieldset0-beneficios0">Beneficios </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset0-beneficios0" name="submitted[fieldset_wrapper][fieldset0][beneficios0]" value="ROI < 1 año. Control en tiempo real de todo lo que ocurre en la industria con reducción de costes y mejora de productividad" size="60" maxlength="128" class="form-text" />
</div>
</div>
</fieldset>
...
...
...
<fieldset class="webform-component-fieldset ame-fieldset webform-component--fieldset-wrapper--fieldset1 form-wrapper">
<div class="fieldset-wrapper">
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset1--productosServiciosDeLaEmpresa0">
<label for="edit-submitted-fieldset-wrapper-fieldset1-productosserviciosdelaempresa0">Productos/Servicios de la empresa </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset1-productosserviciosdelaempresa0" name="submitted[fieldset_wrapper][fieldset1][productosServiciosDeLaEmpresa0]" value="asdasd" size="60" maxlength="128" class="form-text" />
</div>
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset1--solucion0">
<label for="edit-submitted-fieldset-wrapper-fieldset1-solucion0">Solución </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset1-solucion0" name="submitted[fieldset_wrapper][fieldset1][solucion0]" value="asdas" size="60" maxlength="128" class="form-text" />
</div>
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset1--necesidad0">
<label for="edit-submitted-fieldset-wrapper-fieldset1-necesidad0">Necesidad </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset1-necesidad0" name="submitted[fieldset_wrapper][fieldset1][necesidad0]" value="asda" size="60" maxlength="128" class="form-text" />
</div>
<div class="form-item webform-component webform-component-textfield webform-component--fieldset-wrapper--fieldset1--beneficios0">
<label for="edit-submitted-fieldset-wrapper-fieldset1-beneficios0">Beneficios </label>
<input type="text" id="edit-submitted-fieldset-wrapper-fieldset1-beneficios0" name="submitted[fieldset_wrapper][fieldset1][beneficios0]" value="asd" size="60" maxlength="128" class="form-text" />
</div>
</div>
</fieldset>
and I want to select only those "fieldset" that contain some "input" whose "value" is not null.