Company Filing History:
Years Active: 2009-2017
Title: The Innovations of Daniel S. Callinan
Introduction
Daniel S. Callinan is a notable inventor based in Carlsbad, California. He has made significant contributions to the field of golf equipment, particularly through his innovative designs for golf club heads. With a total of 15 patents to his name, Callinan continues to push the boundaries of golf technology.
Latest Patents
One of Callinan's latest patents is for a metal wood club. This golf club head features a body designed with an address position that includes a zero-degree bounce portion on the sole. Additionally, it has a center sole position with a multi-relief surface that incorporates a negative bounce portion, which can range from negative 0.5 to negative 4.0 degrees. In one embodiment, the multi-relief surface includes a cutaway portion extending to the back of the sole, with a depth of about 0.05 to 0.5 inches from a regular sole surface. Furthermore, the golf club head is equipped with a weight system that allows for the adjustment of the center of gravity. This system consists of a tube with a weight at one end, which can be inserted into the golf club head to move the center of gravity both forward and backward within 6 mm and up and down within 6 mm. The tube is preferably angled downward toward the face by at least 3 degrees.
Career Highlights
Daniel S. Callinan has established himself as a key figure in the golf equipment industry. He works for Acushnet Company, a leading manufacturer of golf products. His innovative designs have not only enhanced the performance of golf clubs but have also contributed to the overall advancement of golf technology.
Collaborations
Throughout his career, Callinan has collaborated with talented individuals such as Michael Scott Burnett and Christopher D. Harvell. These partnerships have fostered creativity and innovation in the development of new golf technologies.
Conclusion
Daniel S. Callinan is a prominent inventor whose work has significantly impacted the golf industry. His innovative designs and patents continue to shape the future of golf equipment.