Golf club heads and methods to manufacture golf club heads

Abstract

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 face portion, a toe portion, a top portion, a sole portion, and a back portion with at least one weight portion. The golf club head may include an interior cavity. The golf club head may include face markings on the face portion that include a first set of markings extending between the toe portion and the heel portion and a second set of markings extending between the top portion and the sole portion. Other examples and embodiments may be described and claimed.

What is claimed is: 
     
         1 . A golf club head comprising:
 a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion with a plurality of weight portions, and a face portion to engage a golf ball;   a plurality of grooves formed on the face portion and extending lengthwise between the toe portion and the heel portion, the plurality of grooves being substantially parallel to each other with each of the plurality of grooves having a groove depth; and   a plurality of substantially rectangular recessed markings formed on the face portion, each of the plurality of substantially rectangular recessed markings having a marking depth, wherein the plurality of substantially rectangular recessed markings form a substantially grid-like pattern on the face portion,   wherein the groove depth is greater than the marking depth.   
     
     
         2 . A golf club as defined in  claim 1 , wherein more than 50 percent of a mass of the plurality of weight portions is located on the back portion below a horizontal midplane of the body portion. 
     
     
         3 . A golf club as defined in  claim 1 , wherein the plurality of substantially rectangular recessed markings include at least one set of markings extending lengthwise between the top portion and the sole portion along a line perpendicular to the plurality of grooves. 
     
     
         4 . A golf club as defined in  claim 1 , wherein the plurality of substantially rectangular recessed markings include at least one set of markings extending lengthwise between the toe portion and the heel portion along a line parallel to the plurality of grooves. 
     
     
         5 . A golf club as defined in  claim 1 , wherein more than 50 percent of a mass of the plurality of weight portions is located on the back portion below a horizontal midplane of the body portion, and at least one of the plurality of ports including at least one of the weight portions of the plurality of weight portions is located on the back portion above the horizontal midplane and closer to the toe portion than to the heel portion. 
     
     
         6 . A golf club as defined in  claim 1 , wherein a greater number of weight portions of the plurality of weight portions are located on the back portion below a horizontal midplane of the body portion than above the horizontal midplane. 
     
     
         7 . A golf club head as defined in  claim 1 , wherein the plurality of substantially rectangular recessed markings extends to cover substantially the entire face portion. 
     
     
         8 . A golf club head as defined in  claim 1 , wherein the body portion is a hollow body portion at least partially filled with an elastic polymer material. 
     
     
         9 . A golf club head comprising:
 a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion with a plurality of ports each including one of a plurality of weight portions, and a face portion having an impact area to engage a golf ball;   at least one groove associated with a groove depth and formed in the impact area, the at least one groove extending lengthwise between the toe portion and the heel portion; and   a plurality of substantially rectangular recessed markings formed on the face portion, each of the plurality of substantially rectangular recessed markings having a marking depth, wherein the plurality of substantially rectangular recessed markings form a substantially grid-like pattern on the face portion,   wherein the groove depth is greater than the marking depth, and   wherein the plurality of substantially rectangular recessed markings include at least one set of markings extending lengthwise between the top portion and the sole portion along a line perpendicular to the at least one groove.   
     
     
         10 . A golf club head as defined in  claim 9 , wherein a greater number of the plurality of ports is located on the back portion below a horizontal midplane of the body portion than above the horizontal midplane. 
     
     
         11 . A golf club as defined in  claim 9 , wherein the plurality of substantially rectangular recessed markings include at least one set of markings extending lengthwise between the toe portion and the heel portion along a line parallel to the at least one groove. 
     
     
         12 . A golf club as defined in  claim 9 , wherein at least one of the plurality of ports including at least one of the weight portions of the plurality of weight portions is located on the back portion above a horizontal midplane of the body portion and closer to the toe portion than to the heel portion. 
     
     
         13 . A golf club head as defined in  claim 9 , wherein the plurality of substantially rectangular recessed markings extends to cover substantially the entire face portion. 
     
     
         14 . A golf club head as defined in  claim 9 , wherein the body portion is a hollow body portion at least partially filled with an elastic polymer material. 
     
     
         15 . A golf club head as defined in  claim 9 , wherein each of the plurality of substantially rectangular recessed markings have a marking width comprising a width of about 0.020 inch or the marking depth comprises a depth of about 0.001 inch. 
     
     
         16 . A golf club head comprising:
 a body portion having a toe portion, a heel portion, a top portion, a sole portion, a back portion with a plurality of weight portions, and a face portion to engage a golf ball;   at least one groove associated with a groove depth, the at least one groove formed in an impact area of the face portion and extending lengthwise between the toe portion and the heel portion; and   a plurality of substantially rectangular recessed markings formed on the face portion, each of the plurality of substantially rectangular recessed markings having a marking depth, wherein the plurality of substantially rectangular recessed markings form a substantially grid-like pattern on the face portion,   wherein the groove depth is greater than the marking depth, and   wherein a majority of the plurality of weight portions on the back portion are located on the back portion closer to the toe portion than to the heel portion.   
     
     
         17 . A golf club head as defined in  claim 16 , wherein a greater number of the plurality of weigh portions is located on the back portion below a horizontal midplane of the body portion than above the horizontal midplane. 
     
     
         18 . A golf club head as defined in  claim 16 , wherein the plurality of substantially rectangular recessed markings extends to cover substantially the entire face portion. 
     
     
         19 . A golf club head as defined in  claim 16 , wherein the plurality of substantially rectangular recessed markings include at least one set of markings extending lengthwise between the top portion and the sole portion along a line perpendicular to the at least one groove. 
     
     
         20 . A golf club head as defined in  claim 16 , wherein the plurality of substantially rectangular recessed markings include at least one set of markings extending lengthwise between the toe portion and the heel portion along a line parallel to the at least one groove.