This inventor holds 25 USPTO granted patents and 1 published patent application, primarily in Electric Motors. Top assignees: Emerson Electric Company, Nidec Motor Corporation, Whirlpool Corporation. Active years: 1981-2022.
Location History:
- St. Louis County, MO (US) (1990 - 1997)
- St. Louis, MO (US) (1981 - 2007)
- Creve Coeur, MO (US) (1992 - 2022)
Company Filing History:
16 out of 2,309Â 
8 out of 321Â 
1 out of 6,154Â 
Years Active: 1981-2022
Areas of Expertise:
Title: L Ranney Dohogne: Innovator and Patent Holder in Mechanical Engineering
Introduction
L Ranney Dohogne, based in Creve Coeur, MO, has made significant contributions to the field of mechanical engineering, holding an impressive 25 patents throughout his career. His innovations focus on enhancing gearmotor assemblies and creating reliable mechanical components that improve the efficiency and functionality of machinery.
Latest Patents
Dohogne's latest patents include a Motor Mounting Bracket and a Mechanical Seal for Gearmotor Assembly having a Threaded Bearing Retainer. The latter patent outlines a gearmotor assembly that features a housing, a rotatable shaft, a bearing, a retaining member, and a seal. This innovative design ensures that lubricant is contained within the gear chamber, preventing any escape past the interface between the retaining member and the housing, thus enhancing the durability and efficiency of the gearmotor assembly.
Career Highlights
Throughout his career, L Ranney Dohogne has worked with notable companies in the industry, particularly Emerson Electric Company and Nidec Motor Corporation. His extensive experience in these organizations has equipped him with the knowledge and skills essential for pioneering advancements in mechanical engineering.
Collaborations
Dohogne has had the opportunity to collaborate with talented professionals in the field, including Philip Stephen Johnson and Daniel E Hilton. Working alongside such esteemed colleagues has contributed to his innovative mindset and success in securing multiple patents.
Conclusion
L Ranney Dohogne's contributions to mechanical engineering and his extensive patent portfolio reflect his dedication to innovation and improvement in gearmotor assemblies. His work continues to influence the industry and showcases the importance of engineering advancements in everyday machinery.