US Patent 9814952 Golf club heads and methods to manufacture golf club heads

Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a face portion. The body portion may comprise stainless steel having a density between 7.0 and 8.3 grams per cubic centimeter and a tensile strength between 600 million and 800 million grams per cubic centimeter. The golf club head may include an interior cavity and a plurality of weight portions. The interior cavity may be filled with an elastic polymer material. Other examples and embodiments may be described and claimed.