Company Filing History:
10 out of 53 
5 out of 19 
4 out of 23 Years Active: 1983-2001
Title: The Innovative Mind of David L. Lund
Introduction
David L. Lund, an accomplished inventor based in Minneapolis, MN, has significantly contributed to the field of battery technology with over 20 patents to his name. His continuous pursuit of innovation has led to advancements in the production and efficiency of lead-acid storage batteries, vital in various applications today.
Latest Patents
Among his latest inventions are two notable patents:
1. **Lead Acid Storage Battery and Method of Bonding Battery Cell Terminal Posts and Bushings** - This patent discloses an improved method for securely bonding battery cell terminal posts, made of lead alloy, to cover bushings made of a solder alloy material with a significantly lower melting point. The method involves heating these components to a temperature above the melting point of the bushings but below that of the terminal posts, ensuring a secure and leak-proof connection without the risk of melting the terminal posts.
2. **Induction Heating Apparatus and Method for Fusing Battery Cell Terminals** - This patent introduces an induction heating method and apparatus designed to enhance efficiency in fusing battery cell terminal posts and bushings, particularly in production lines. The design features a T-shaped bus bar and pairs of induction heating coils that can be vertically adjusted for uniform positioning, allowing for consistent depth fusion. The innovative water flow path for cooling during the operation demonstrates a significant improvement in the manufacturing process.
Career Highlights
David L. Lund has made his mark in the industry through his tenure at GNB Technologies, Inc. and GNB Battery Technologies Inc., where he applied his expertise in engineering to develop cutting-edge battery solutions. His work has helped to streamline production processes and improve product reliability.
Collaborations
Throughout his career, Lund has worked alongside notable colleagues such as William H. Kump and Donald W. Groff. Their collaborative efforts have fostered an environment of innovation, contributing to the advancement of battery technology and production techniques.
Conclusion
David L. Lund stands out as a prominent figure in the field of battery innovation. His extensive portfolio of patents and his work with significant companies illustrate his dedication to improving battery technology, thereby playing a crucial role in the evolution of energy storage solutions. His contributions continue to inspire future generations of inventors and engineers alike.
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.