As a public service
(and also because I like to go through my plant lists), I went through my list of 584 hybrid teas and found 21 that grow well on their own roots. So, if you want to grow hybrid teas and you have a preference for own-root roses, these are some you might consider:
Antoine Rivoire
Autumn
Beryl Bach
Break o' Day
Chantilly Lace
Condesa de Sastago
Contrast
Ellen Wilmott
Fee
Helen Hayes
J.C. Thornton
Johnnie Walker
Jolly
La Jolla
Lemon Spice
Naga Belle
Peach Beauty
Rina Herholdt
Shot Silk
Sutter's Gold
Yankee Doodle
Obviously, this is not a complete list. Most of my hybrid teas are grafted, so I have no idea how well they grow on their own roots, but these 21 own-root hybrid teas look as good as the grafted hybrid teas in my garden.