Larry H Barr

Title: Innovations and Contributions of Larry H Barr

Introduction

Larry H Barr is a notable inventor based in Hollister, California, who has made significant contributions to the field of gas generant compositions and pyrotechnic materials. With a total of three patents to his name, Barr's work focuses on enhancing safety and efficiency in automotive and inflatable device applications.

Latest Patents

One of Barr's latest patents involves gas generant compositions and methods of production. This invention discloses compositions that include a fuel source, which consists of a compound with both fuel and oxidizing portions, a fuel oxidizer, and a borohydride catalyst. The preferred compositions utilize elements such as nitrogen, carbon, hydrogen, and water, combusting to produce primary reaction products like nitrogen, carbon dioxide, and water. The fuel oxidizer is typically a metal nitrate, with potassium nitrate being favored due to its safety profile. The combustion reaction is catalyzed using borohydrides, particularly potassium borohydrides, which enhance the reaction rate and minimize harmful byproducts. These compositions are designed to produce large quantities of gas rapidly, making them suitable for automotive safety systems, including seat belt pretensioners and airbag inflators, as well as other inflatable devices like life rafts and aircraft slides.

Another significant patent by Barr is for a substantially lead-free tin alloy sheath material. This invention pertains to a binary, ternary, and/or quaternary tin alloy composition that can be utilized as outer sheath material in various explosive-pyrotechnic linear products, such as ignition cords and mild detonating cords.

Career Highlights

Throughout his career, Larry H Barr has worked with prominent companies, including Teledyne Industries, Inc. and Teledyne McCormick Selph. His experience in these organizations has contributed to his expertise in the field of pyrotechnics and safety devices.

Collaborations

Barr has collaborated with notable individuals in his field, including Stanley Rodney and Steven Johnson. These partnerships have likely enriched his work and led to innovative advancements in his projects.

Conclusion

Larry H Barr's contributions to gas generant compositions and lead-free materials have significantly impacted safety technologies in automotive and inflatable devices. His innovative patents reflect a commitment to enhancing safety and efficiency in critical applications.