Company Filing History:
4 out of 15 
1 out of 7 
1 out of 5 Years Active: 2000-2024
Title: The Innovative Contributions of Francesco Lanni
Introduction: Francesco Lanni, based in Walpole, MA, is a distinguished inventor recognized for his innovative contributions to the field of propeller design. With a portfolio of six patents, Lanni has demonstrated a profound understanding of engineering and materials, leading to advancements that enhance the efficiency and functionality of marine propulsion systems.
Latest Patents: Among Francesco Lanni's latest innovations is the Fixed-Pitch Bolted Propeller. This remarkable design features a hollow hub body designed to attach to a rotatable shaft, with connection ports distributed around its outer surface. The propeller blades are meticulously crafted, each terminating in a flange that connects securely to the hub via retention plates and bolts, all engineered with materials boasting a tensile strength of at least 125 ksi and a fatigue endurance limit of at least 50 ksi. Another significant patent involves a new method for manufacturing propellers or propeller blades using lattice block material. This innovative approach results in a predominantly hollow structure supported by a three-dimensional lattice of spars, making the final product substantially lighter yet retaining the necessary strength compared to traditional solid cast options.
Career Highlights: Lanni's career spans significant roles at prominent companies, where he applied his expertise and ingenuity. His tenure at the Bird-Johnson Company and Rolls-Royce Naval Marine, Inc. has notably influenced his inventive work, allowing him to translate complex engineering concepts into practical solutions.
Collaborations: Throughout his career, Lanni has collaborated with talented individuals like Gregory P. Platzer and John A. Eckhart. These professional relationships have fostered a creative environment, enabling the sharing of ideas and experiences that contribute to the success of Lanni's innovative projects.
Conclusion: Francesco Lanni stands out as a notable inventor in the marine engineering landscape. His patents, particularly in the design and construction of propellers, showcase his commitment to innovation and efficiency. As he continues to push the boundaries of technology, Lanni's work promises to inspire future developments within the field.