Not sure if you're planning on doing a Simplicity vid like Riccar, but here's the upright model list I found at parts warehouse.com (exclusive of specialty vacuums):
CleanMax S65, S65D, S65P
6370, 6400, 6470, 6550, 6570, 6600, 6670, 6770, 6800, 6870, 6900, 6970, 6970.4
7200, 7250, 7300, 7350, 7400, 7450, 7700, 7750, 7850, 7900, 7950
F3100 Freedom, F3300 Freedom, F3300C Freedom, F3400 Freedom, F3500 Freedom, F3500C Freedom, F3600 Freedom, F3700 Freedom, F3700C Freedom
G9.1 Synergy, G9.2 Synergy, G9.4 Synergy
S10D Freedom, S10E Freedom, S10P Freedom, S10S Freedom
S20D Symmetry, S20E Symmetry, S20P Symmetry, S20PET bagless, S20S Symmetry
S30P, S30D, S30PET Synchrony
SCRD, SCRD.1 Syncrony, SCRD.3 Syncrony, SCRD.4 Syncrony, SCRD.6 Syncrony, SCRD.6USA Syncrony, SCRDFETCH Syncrony, SCRD.LE Syncrony
SCRP Syncrony, SCRP.1 Syncrony, SCRP.3 Syncrony, SCRP.4 Syncrony, SCRP.6 Syncrony
SCRS Syncrony, SCRS.1 Syncrony, SCRS.3 Syncrony, SCRS.4 Syncrony, SCRS.6 Syncrony
SYM.USAFS Symmetry, SYMC.2 Symmetry, SYMCBP.1 Symmetry, SYMCL1 Symmetry, SYMCL2 Symmetry, SYMCL4 Symmetry, SYMCLUSA Symmetry, SYMCLNT.1 Symmetry, SYMCLNT.2 Symmetry, SYMCNT.2 Symmetry
SYMD.1 Symmetry, SYMD.2 Symmetry, SYMD.4 Symmetry, SYMDL.2 Symmetry
SYME.2 Symmetry, SYMENT.2 Symmetry
SYMP.1 Symmetry, SYMP.2 Symmetry, SYMP.4 Symmetry, SYMP.6 Symmetry, SYMPBP.2 Symmetry, SYMPNT.1 Symmetry, SYMPNT.2 Symmetry, SYMPNT.4 Symmetry
SYMS.1 Symmetry, SYMS.2 Symmetry, SYMS.4 Symmetry, SYMST.2 Symmetry, SYMUSA.SU Symmetry
X9.10 Synergy, X9.4 Synergy, X9.5 Synergy, X9.5+ Synergy, X9.6 Synergy, X9.6+ Synergy, X9.7 Synergy, X9.8 Synergy