Location History:
- Altus, OK (US) (2010)
- Newton, MA (US) (2006 - 2011)
- Kewaskum, WI (US) (2013 - 2020)
- North Chelmsford, MA (US) (2017 - 2020)
- Boston, MA (US) (2019 - 2020)
- Wellesley, MA (US) (2020)
- Cambridge, MA (US) (2006 - 2021)
- Conway, SC (US) (2015 - 2023)
- West Bend, WI (US) (2022 - 2024)
Company Filing History:
21 out of 26 
8 out of 38 
6 out of 14 
Years Active: 2006-2025
Title: Innovations of Keith A. Johnson: A Look into His Patents and Career
Introduction
Keith A. Johnson, based in Kewaskum, Wisconsin, is a prolific inventor with a total of 21 patents to his name. His innovative spirit is reflected in the diverse range of inventions he has developed, particularly in the field of agricultural machinery and drilling technology. His contributions have significantly advanced these sectors, leveraging specialized materials and designs to enhance performance and efficiency.
Latest Patents
Among his latest patents, one notable innovation is the "Boring Bit or Other Bit with Hard Face Wear Resistance Material." This invention features a hard-faced layer created through a laser cladding bead process. The application of this laser-clad bead varies across different regions of the boring bit, allowing for tailored wear resistance. Additionally, the design incorporates spiraled circumferential segments to optimize functionality, providing enhanced durability, particularly for horizontal directional drilling tasks.
Another significant patent is the "Concave with Adjustable Openings." This invention is designed for harvesters and features a concave body with an upstream, leading end, and a downstream, trailing end. It includes an arcuate crop engagement face with multiple crop passage openings. A movable cover allows for adjustments in the degree of openness of these openings, offering operators greater control over crop handling during harvesting.
Career Highlights
Keith has made substantial contributions to the companies he has worked for, including Kondex Corporation and MacDon Industries Ltd. His tenure at these organizations has allowed him to develop and refine his inventions while collaborating with other talented professionals. Johnson's work is centered around creating practical solutions that address the challenges faced in agriculture and drilling.
Collaborations
Throughout his career, Keith has collaborated with notable colleagues such as Neal J. Stoffel and Andrew J. Theisen. Their joint efforts have fostered an environment of innovation, and together they have worked on various projects that have contributed to advancements in their respective fields. These collaborations highlight the importance of teamwork in the development of successful patented technologies.
Conclusion
Keith A. Johnson stands out as a notable inventor in the fields of agriculture and drilling technology. With a remarkable portfolio of patents, including advanced boring bits and adjustable concaves, his work continues to influence industry practices. Johnson's career illustrates the power of innovation and collaboration, demonstrating how inventive minds can work together to address complex problems and push the boundaries of technology. As he moves forward, Keith's contributions are poised to leave a lasting impact on the sectors he serves.
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.