Company Filing History:
4 out of 4 
3 out of 3 
1 out of 1 Years Active: 2002-2011
Title: Innovations by John E Macklin
Introduction
John E Macklin is a notable inventor based in Fremont, NE (US), recognized for his contributions to locomotive technology. He holds a total of 8 patents, showcasing his innovative spirit and dedication to improving railway systems. His work primarily focuses on enhancing lubrication systems for traction motors, which are critical for the efficient operation of locomotives.
Latest Patents
One of Macklin's latest patents is the "Sleeve bearing for railway traction motor." This invention features an improved sleeve bearing that provides additional lubrication beyond the single central wick typically used. The design includes a recirculation system with multiple wicks or oil communication grooves, ensuring better lubrication for the truck-axle journal. Another significant patent is the "Wick holder for a lubricating system of a locomotive traction motor support bearing." This innovation introduces a wick holder equipped with oil-reservoir louver pockets that enhance oil saturation, thereby improving the lubrication of the axle journal surface. The design aims to prevent traction motor support bearing failure, especially when oil levels are near the minimum recommended levels.
Career Highlights
Throughout his career, John E Macklin has worked with companies such as Magnus Division of L.V. Ventures, Inc. His experience in the field has allowed him to develop practical solutions that address common challenges faced in locomotive operations. His patents reflect a deep understanding of the mechanics involved in traction motors and the importance of effective lubrication.
Collaborations
Macklin has collaborated with notable individuals in his field, including Paul Bien and Robert B Foster. These partnerships have likely contributed to the refinement and success of his innovative designs.
Conclusion
John E Macklin's contributions to locomotive technology through his patents demonstrate his commitment to innovation and improvement in the railway industry. His work continues to influence the efficiency and reliability of traction motors in locomotives.
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.