Revelation 5:8
And when he had taken the book, the four beasts and four and twenty elders fell down before the Lamb, having every one of them harps, and golden vials full of odors, which are the prayers of saints.
Nave's Topical Index—AKJV

Revelation 8:3,4
And another angel came and stood at the altar, having a golden censer; and there was given to him much incense, that he should offer it with the prayers of all saints on the golden altar which was before the throne.
Nave's Topical Index—AKJV