Saintsman,
I think that the words 'push' and 'pull' relate to the location of the thrust in respect to the object to which this thrust is being applied.
In this context these two rotorcraft would be construed as having push.
Hiller Flying Platform
de Lackner HZ-1 Aerocycle
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If you are talking about using propellers as an alternative to rotors,
you may find this page of interest.
Dave