Location History:
- Monroeville, PA (US) (1980)
- Lutz, FL (US) (1980 - 1982)
- Allegheny Township, Allegheny County, PA (US) (1985)
- Allegheny Township, Blair County, PA (US) (1987)
- Allegheny Township, Armstrong County, PA (US) (1986 - 1989)
- Allegheny Township, Westmoreland County, PA (US) (1989 - 1994)
- Washington Twp., Westmoreland County all of, PA (US) (1994)
- North Huntingdon, PA (US) (2001)
- Irwin, PA (US) (2010)
Company Filing History:
12 out of 8,033 
2 out of 639 
Years Active: 1980-2010
Title: Innovations of Gregory L. Calhoun
Introduction
Gregory L. Calhoun is a notable inventor based in Irwin, Pennsylvania, with a remarkable portfolio of 14 patents. His contributions to the field of engineering and technology have significantly impacted various industries.
Latest Patents
Among his latest inventions is a pipe clamp designed to reinforce welded joints between two pipes. This innovative clamp features multiple circumferential segments that are bolted together around the joint. One end of the clamp has ridges that project inward, seating into corresponding grooves on one side of the joint. The opposite end has fingers that fit into pockets on the other side of the weld joint. The design includes tapered features that help draw the sides of the weld joint together as the clamp is tightened. Another significant patent is the stud tensioning method, which verifies the tension in a stud by measuring its elongation while attached to a tensioner. This method involves adjusting hydraulic fluid pressure to elongate the stud and correlating the pressure changes with the fluid volume or the movement of a puller bar. This innovative approach enhances the accuracy of tension verification in various applications.
Career Highlights
Gregory has had a distinguished career, working with prominent companies such as Westinghouse Electric Corporation and Westinghouse Electric Company LLC. His experience in these organizations has allowed him to develop and refine his innovative ideas.
Collaborations
Throughout his career, Gregory has collaborated with notable colleagues, including Arthur W. Kramer and John J. Wilhelm. These partnerships have contributed to the advancement of his inventions and the successful execution of various projects.
Conclusion
Gregory L. Calhoun's innovative spirit and dedication to engineering have led to significant advancements in technology. His patents reflect a commitment to improving industry standards and practices.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.