David B Grapes

Title: David B Grapes: Innovator in Marine Winch Technology

Introduction

David B Grapes is a notable inventor based in Pittsburgh, PA (US). He has made significant contributions to marine technology, particularly in the design and functionality of manual marine winches. With a total of 7 patents to his name, Grapes has established himself as a key figure in this specialized field.

Latest Patents

Among his latest innovations is the "Single Stack Manual Marine Winch." This invention features a winch line that includes a wire rope, a pair of spaced side plates, and a rotating spool assembly supported between the side plates. The drum of the winch defines a wire rope stacking space for storing a single stack of wire rope, along with a manually actuated control for spooling and un-spooling the wire rope. Another significant patent is the "Marine Winch with Winch-Line Engaging Roller." This manual marine barge winch includes a housing, a winch-line holding drum, and a winch-line that is adapted to be wound onto and off of the holding drum. The design also incorporates a drum drive for rotating the drum and at least one winch-line engaging roller, which is essential for engaging the winch line during tensioning.

Career Highlights

Throughout his career, David B Grapes has worked with various companies, including W.W. Patterson Company. His experience in the industry has allowed him to develop innovative solutions that enhance the efficiency and effectiveness of marine winches.

Collaborations

Grapes has collaborated with several professionals in his field, including Richard A Topping, Jr and Russell J Mayhew. These collaborations have contributed to the advancement of marine technology and the successful development of his patents.

Conclusion

David B Grapes is a distinguished inventor whose work in marine winch technology has led to several important patents. His innovative designs continue to impact the industry positively, showcasing his commitment to advancing marine engineering.