Harold B Crapo, Iii

Title: Harold B. Crapo, III: Innovator in Arc Spray Technology

Introduction

Harold B. Crapo, III is a notable inventor based in Pembroke, NH (US). He has made significant contributions to the field of arc spray technology, particularly with his innovative designs and methods.

Latest Patents

Crapo holds a patent for a "Narrow Beam Arc Spray Device and Method." This invention features a narrow beam arc spray head device that includes a convergent-divergent nozzle. The design incorporates several wires whose paths intersect at a point within the nozzle. A controller supplies electrical current to these wires, forming an arc that melts a portion of at least one wire. A primary axial gas stream impinges upon the intersection of the wire paths, carrying the molten metal away. Additionally, a secondary gas stream forms a conical sheath around the axial gas stream, allowing for the emergence of substantially coaxial gas streams that concentrate the flow of molten metal.

Career Highlights

Crapo has dedicated his career to advancing spray technology, working with Tafa, Incorporated. His innovative approach has led to the development of efficient and effective spray devices that enhance industrial applications.

Collaborations

Throughout his career, Crapo has collaborated with notable colleagues, including Brian J. Blades and William R. Kratochvil. These partnerships have contributed to the refinement and success of his inventions.

Conclusion

Harold B. Crapo, III is a distinguished inventor whose work in arc spray technology has made a lasting impact. His innovative designs continue to influence the industry and showcase the importance of creativity in engineering.