Here is a simple patty maker that lets you create equally sized hamburger patties at home. It has an easy-grip handle and top plate that let you push the meat down into the mold. The product is dishwasher-safe and works for salmon & bean patties as well. To get started, simply press, lift, flip, and grill.
The ORBLUE Burger Press has a non-stick coating. It is dishwasher-safe. Costs under $12 at this time.