Leland P Tinkham

Title: Inventor Spotlight: Leland P. Tinkham

Introduction: Leland P. Tinkham, an innovative inventor based in Desert Hot Springs, California, has made significant contributions to the field of automotive emissions testing. With a total of two patents to his name, his work focuses on developing methods and apparatuses that enhance the accuracy and efficiency of evaluating engine exhaust gas emissions.

Latest Patents: Tinkham's most recent patents address critical issues in emissions testing. His first patent, titled "Method and apparatus for quickly evaluating engine exhaust gas emissions," introduces a modal test method designed for automotive engine plants and vehicle inspection stations. This invention enables the precise measurement of primary air contaminants, specifically carbon monoxide (CO) and hydrocarbons (HC), in engine exhaust. The method provides a detailed diagnostic approach by evaluating emissions at various operating modes, such as high cruise, low cruise, and idle. Furthermore, it includes features like a 'report card' system for easy comparison of measured values against permissible limits, aiding mechanics in identifying and rectifying emission-related malfunctions.

The second patent, "Method and apparatus for production hot testing of engines under load," offers a systematic approach to testing automobile engines as they emerge from the assembly line. This invention facilitates a final check on exhaust emissions at key operational points, ensuring that engines meet environmental standards before installation in vehicles. The use of indicator lights streamlines decision-making during the testing process, directing engines that fail to meet standards to appropriate repair facilities.

Career Highlights: Throughout his career, Tinkham has worked for reputable organizations, including Clayton Manufacturing Company and Scans Associates, Inc. His expertise in emissions testing and production processes has been instrumental in advancing industry standards and practices.

Collaborations: Collaborating with notable coworkers like Edwin Lee Cline and Vernon G. Converse, III, Tinkham has fostered innovation and development within the automotive sector. Their collective efforts have contributed to enhancing the effectiveness of emissions testing and engine performance assessments.

Conclusion: Leland P. Tinkham's contributions to automotive emissions testing underscore the importance of innovation in addressing environmental challenges. His patents not only reflect his ingenuity but also demonstrate a commitment to improving the industry’s standards for engine performance and emissions compliance. As the field of automotive technology continues to evolve, Tinkham’s work will undoubtedly remain influential in promoting cleaner and more efficient vehicles.